Planetary Radio brings you the human adventure across our Solar System and beyond. We visit each week with the scientists, engineers, leaders, advocates, and astronauts who are taking us across the final frontier. Regular features raise your space IQ while they put a smile on your face. Join host Sarah Al-Ahmed and Planetary Society colleagues including Bill Nye the Science Guy and Bruce Betts as they dive deep into space science and exploration. The monthly Space Policy Edition takes you inside the DC beltway where the future of the US space program hangs in the balance. Visit planetary.org/radio for an episode guide and much more.
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Space Policy Edition: NASA’s 2026 budget
Alicia Brown from the Commercial Space Federation and Brittany Webster from the American Geophysical Union join the show to discuss NASA’s fiscal year 2026 budget proposal, which aims to slash the agency’s funding by nearly 25%, cut science by 47%, and reduce staffing to levels not seen since 1960.
Discover more at: https://www.planetary.org/planetary-radio/fy2026-nasa-budget-discussion
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The Giant Magellan Telescope takes its next big step
The Giant Magellan Telescope (GMT) is poised to become one of the most powerful ground-based observatories ever built. On June 12, 2025, the U.S. National Science Foundation announced that the GMT will enter its Major Facilities Final Design Phase, bringing it one step closer to full construction. This week on Planetary Radio, host Sarah Al-Ahmed speaks with Rebecca Bernstein, Chief Scientist for the Giant Magellan Telescope Organization and astronomer at the Carnegie Institution for Science, about the groundbreaking technology behind GMT and how it will transform our understanding of the Cosmos.
Later in the show, Casey Dreier, chief of space policy at The Planetary Society, returns to discuss his new op-ed in Space News on the White House’s controversial Mars plan, and why a bold vision without political consensus is unlikely to succeed.
As always, we wrap up with What’s Up with Bruce Betts, chief scientist at The Planetary Society.
Discover more at: https://www.planetary.org/planetary-radio/2025-gmt
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The human stories behind the science: Dava Sobel receives the Cosmos Award
Few writers have captured the wonder of science through storytelling as powerfully as Dava Sobel. In this episode, we celebrate her remarkable career and her recent honor as the recipient of The Planetary Society’s 2025 Cosmos Award for Outstanding Public Presentation of Science. Mat Kaplan, senior communications advisor at The Planetary Society, sits down with Sobel for a conversation about the human lives behind great scientific discoveries, from Galileo and Copernicus to the women of the Harvard Observatory and Marie Curie’s lab.
Later in the show, Jack Kiraly, our director of government relations, joins us with an encouraging update on our public advocacy campaign to save NASA science. And don’t miss What’s Up with Bruce Betts, where we reflect on the role of science communicators and share a fresh Random Space Fact.
Discover more at: https://www.planetary.org/planetary-radio/2025-cosmos-award
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Making space matter: A space journalist’s journey
What does it take to turn a love of space into a global career in science journalism? Sarah Cruddas has done just that. With a background in astrophysics and a passion for storytelling, she’s become a leading voice in space media, covering rocket launches, interviewing astronauts, and writing books that bring the Cosmos down to Earth. In this episode, Sarah shares her path from the U.K. to the front lines of space communication and why she believes storytelling is essential to the future of exploration. She also reflects on the challenges of breaking into the field, the power of listening, and how space can unite people across the globe. Plus, Bruce Betts joins us for What’s Up, where we talk about what makes a great space journalist.
Discover more at: https://www.planetary.org/planetary-radio/2025-making-space-matter
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Space Policy Edition: What does NASA need with an economist?
Former NASA Chief Economist Akhil Rao explains why NASA needs economic expertise to navigate the complex—and often misunderstood—market forces that will determine the success or failure of its private partnerships. As NASA relies ever more on commercial companies to enable its own exploration efforts, it is imperative, Rao believes, to provide clear-eyed perspectives that highlight the challenges and solutions required to reach success. And why NASA puts itself at risk for pursuing faith-based program investments after dissolving the strategy and economics team at the agency a few months ago.
Discover more at: https://www.planetary.org/planetary-radio/space-economy-akhil-rao
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The dark age of NASA science? Analyzing the FY 2026 budget proposal
The White House has released its Fiscal Year 2026 congressional budget justification for NASA, and the implications are staggering. If enacted, this proposal would slash NASA’s science program funding by nearly half, cancel dozens of active and upcoming missions, and reduce the agency’s workforce by one-third. Sarah Al-Ahmed is joined by Jack Kiraly, The Planetary Society’s director of government relations, to examine what’s in the nearly 500-page document, what it means for the future of space science and exploration, and how advocates can still act to save NASA science.
Then, in What’s Up, Planetary Society Chief Scientist Bruce Betts shares insights on China’s newly launched asteroid sample return mission, Tianwen-2. The spacecraft will rendezvous with near-Earth asteroid 469219 Kamoʻoalewa, offering new scientific opportunities amidst a moment of global uncertainty in space exploration.
Discover more at: https://www.planetary.org/planetary-radio/2025-FY-2026-budget-proposal
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Volcanic worlds across the Solar System
Volcanoes aren’t just an earthly phenomenon. They’re found all across the Solar System. In this compilation episode of Planetary Radio, we explore volcanic and geothermal activity on planets, moons, and distant dwarf planets. You’ll hear from Rosaly Lopes, Nick Schneider, Rae Paoletta, Robbie Herrick, Scott Hensley, and Christopher Glein as they share insights into everything from lava flows on Venus and eruptions on Io to the mysterious heat signatures of icy bodies like Eris and Makemake. This journey spans over 20 years of Planetary Radio, featuring interviews hosted by both current host Sarah Al-Ahmed and founding host Mat Kaplan.
Then, our Chief Scientist, Dr. Bruce Betts, returns for What’s Up and shares new findings from NASA’s Juno mission, which recently completed close passes by Jupiter’s volcanic moon, Io.
Discover more at: https://www.planetary.org/planetary-radio/2025-volcanic-worlds
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Space science under fire: Your questions answered
As debates over NASA's future heat up, questions about the value of space exploration are popping up everywhere. This week on Planetary Radio, we're tackling the tough questions head-on with The Planetary Society's staff, including Casey Dreier, chief of space policy, and Ambre Trujillo, digital community manager. They break down the biggest misconceptions about space science, public versus private investment, and why exploration still matters in an ever-changing world.
Then Jack Kiraly, director of government relations, joins us for a space policy update. We discuss the growing movement to save NASA science, how community action is ramping up, and what’s happening behind the scenes on Capitol Hill.
And in What's Up with Bruce Betts, we explore some of the most recent NASA spinoffs, technologies developed for space that are making life better here on Earth.
Discover more at: https://www.planetary.org/planetary-radio/2025-space-science-under-fire
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Kosmos 482: The Soviet-era Venus probe that fell to Earth
This week on Planetary Radio, we explore the decades-long journey of Kosmos 482, a Soviet-era Venus probe that spent 53 years orbiting Earth before its dramatic return on May 10, 2025. Ben Fernando, a postdoctoral researcher in seismology and planetary science at Johns Hopkins University, joins us to explain the history of Kosmos 482 and how seismology and acoustic sensors are helping scientists detect and locate objects impacting Earth. Then Bruce Betts, our chief scientist, joins us for What's Up, where we look back at the largest human-made objects ever to crash back to Earth.
Discover more at: https://www.planetary.org/planetary-radio/2025-kosmos-482
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TOI-270 d: Unveiling the secrets of a sub-Neptune
TOI-270 d is revealing secrets about the most common type of planet in our galaxy, sub-Neptunes. Sarah Al-Ahmed is joined by planetary geochemist Chris Glein from the Southwest Research Insitute to discuss his team’s new analysis of its atmosphere, using data from JWST and insights from Earth analogs. Then, The Planetary Society’s Director of Government Relations, Jack Kiraly, breaks down the historic budget cuts proposed for NASA in the U.S. President’s “skinny” budget request, including a 47% reduction to its science program funding. We close out with Bruce Betts and What’s Up.
Discover more at: https://www.planetary.org/planetary-radio/2025-toi-270-d
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Space Policy Edition: How NASA remembers—and forgets
No one person knows how to build a spaceship. Dr. Janet Vertesi has seen this firsthand. She’s spent years embedded in NASA science teams, not as a participant, but as an observer. She’s a sociologist who studies the team dynamics of NASA missions. She is alarmed at the prospect of indiscriminate firings at the agency, and at the potential loss of institutional knowledge that won’t easily be rebuilt.
Discover more at: https://www.planetary.org/planetary-radio/spe-janet-vertesi-on-threats-to-nasas-group-brain
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From backyard telescopes to global reach: AstroKobi and the power of short-form space videos
How does someone go from stargazing in a rural Australian backyard to inspiring millions around the world about space science? This week, Sarah Al-Ahmed sits down with Kobi Brown, better known as AstroKobi, to explore how his passion for the Cosmos and a knack for short-form storytelling launched his science communication career. They discuss the evolution of space outreach in the digital age, the power of social media to ignite curiosity, and how a new generation of space communicators is reshaping the way we connect with the Universe.
You'll also hear the latest space policy update from Jack Kiraly, director of government relations at The Planetary Society, including developments affecting NASA’s science programs and the confirmation process for a new NASA administrator. We close out the show with What’s Up with Bruce Betts, chief scientist of The Planetary Society, and a discussion of direct imaging of exoplanets.
Discover more at: https://www.planetary.org/planetary-radio/2025-astrokobi
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Celebrating 45 years of The Planetary Society at the Cosmic Shores Gala
Join us aboard the historic RMS Queen Mary for a celebration of The Planetary Society’s 45th anniversary. In this special episode of Planetary Radio, we bring you highlights from our Cosmic Shores Gala, where members, scientists, space advocates, and special guests came together to honor the past and look boldly to the future.
You’ll hear from CEO Bill Nye, Board President Bethany Ehlmann, Executive Director Jennifer Vaughn, founding Executive Director Lou Friedman, and Congresswoman Judy Chu, with actor and Planetary Society board member Robert Picardo as our master of ceremonies.
And of course, we close with Chief Scientist Bruce Betts in this week’s What’s Up.
Discover more at: https://www.planetary.org/planetary-radio/2025-cosmic-shores-gala
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Passback budget breakdown: A 47% cut to NASA science
NASA’s science programs are facing the largest proposed budget cut in more than 40 years. This staggering 47%reduction could cancel missions, waste billions in U.S. taxpayer investments, and unravel decades of discovery. In this episode of Planetary Radio, host Sarah Al-Ahmed is joined by Casey Dreier, The Planetary Society’s Chief of Space Policy, and Jack Kiraly, Director of Government Relations. Together, they break down what the “passback” stage of the federal budget process means for NASA, which missions and programs are in jeopardy, and how you can help push back. Later in the show, Chief Scientist Bruce Betts joins us for a reflective What’s Up as we explore the science that could be lost and why it still deserves to be saved.
Discover more at: https://www.planetary.org/planetary-radio/2025-passback-budget-breakdown
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Why is Mars red? A new clue to the history of habitability in Martian dust
For decades, scientists hypothesized that Mars’ reddish color came from hematite, an iron oxide thought to have formed through dry oxidation after Mars lost its water. But new research suggests the story is more complex—and more watery—than we once imagined.
In this episode, planetary scientist Adomas (Adam) Valantinas from Brown University joins host Sarah Al-Ahmed to discuss his team’s discovery that Mars’ iconic red dust is likely dominated not by hematite but by a hydrated mineral called ferrihydrite. This subtle but significant shift in understanding could reshape what we know about Mars’ climate history and its potential for past habitability.
Then, Sarah and Bruce Betts, Planetary Society chief scientist, revisit one of the most famous Martian discoveries: Opportunity’s hematite-rich “blueberries,” which also told a compelling story about water on the Red Planet.
Discover more at: https://www.planetary.org/planetary-radio/2025-why-is-mars-red
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Space Policy Edition: Lies, Damned Lies, and Space Data
The space sector is data-rich but insight-poor. Jack Kuhr, head of research at Payload Space, joins the show to unpack how business, budgeting, and performance data—not spacecraft science—can shape investments, drive growth, and influence policy. Is there a data crisis in the space industry? What gets measured, what gets missed, and how does that shape the decisions we make about space? Kuhr shares his approach to surfacing the real story behind the numbers—and why clarity, context, and narratives matter.
Discover more at: https://www.planetary.org/planetary-radio/lies-and-space-data
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Live from Washington, D.C.: The future of space politics
Join Sarah Al-Ahmed and Casey Dreier for a special live recording of Planetary Radio at the Johns Hopkins University Bloomberg Center in Washington, D.C., immediately following The Planetary Society’s Day of Action. In this episode, we explore the complex geopolitical landscape NASA faces as it works toward returning humans to the Moon and exploring other worlds. With growing influence from commercial space companies, potential budget cuts, and changes in committee leadership, this pivotal moment in space exploration is shaping NASA’s future.
We’re joined by Bill Nye (CEO, The Planetary Society), Nancy Chabot (Chief Scientist, Johns Hopkins Applied Physics Laboratory), Rep. George Whitesides (Representative, CA-27), Rep. Judy Chu (Co-chair, Congressional Planetary Science Caucus, Representative, CA-28), and Antonio Peronace (Chief Executive, Space for Humanity). Together, we explore how evolving national priorities, key lawmakers, and the rapid growth of the commercial space sector could reshape U.S. space policy, potentially redefining the motivations that have driven space exploration since the Apollo era.
Discover more at: https://www.planetary.org/planetary-radio/2025-live-from-dc
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The Other Moonshot: The untold stories of Apollo’s Black engineers in Los Angeles
The Apollo program put humans on the Moon, but behind that historic achievement were engineers whose stories have gone largely untold. In this episode, “LA Made: The Other Moonshot” host Joanne Higgins joins Planetary Radio to share the powerful history of Charlie Cheatham, Nate LeVert, and Shelby Jacobs, three Black engineers in Los Angeles who helped make Apollo possible while navigating racism and exclusion. We discuss how their technical brilliance shaped the space program, why their stories were left out of the history books, and how telling them now can help create a more equitable space community for the future.
Plus, Casey Dreier checks in from Washington, D.C., during The Planetary Society’s Day of Action, where advocates from across the U.S. gathered to support NASA science. And in What’s Up, Bruce Betts and Sarah explore the Apollo-era technologies still in use today.
Discover more at: https://www.planetary.org/planetary-radio/2025-the-other-moonshot
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The Mars Innovation Workshop
We take you inside the Mars Innovation Workshop, hosted at the SETI Institute’s headquarters and produced by Explore Mars. Planetary Society Senior Communications Advisor Mat Kaplan shares highlights from the event, exploring how cross-disciplinary collaboration is shaping the future of Mars exploration and creating solutions for challenges here on Earth.
Meanwhile, major changes are happening at NASA. In a move that has raised concerns in the space community, NASA leadership has dissolved key advisory offices, including the Office of the Chief Scientist and the Office of Technology, Policy, and Strategy. Jack Kiraly, our director of government relations, explains what these cuts mean for the agency’s future and why space advocates should be paying attention.
Then Bruce Betts shares his favorite Mars innovations and a new Random Space Fact, in this week’s What’s Up!
Discover more at: https://www.planetary.org/planetary-radio/2025-mars-innovation-workshop
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An extinction-level event for NASA science
NASA's science missions have transformed our understanding of the Universe, from breathtaking images of deep space to robotic explorers on Mars. But now, a reported 50% cut to NASA's science budget threatens to shut down missions, halt discoveries, and devastate the future of space exploration. This week, Casey Dreier and Jack Kiraly from The Planetary Society's space policy team break down the fight ahead, explain why these cuts would be catastrophic, and explain how you can take action before they become part of the official presidential budget request. Then, Science Editor Asa Stahl joins us to discuss the power of grassroots advocacy and Planetary Society members' impact in defending space science over the past 45 years. Plus, Bruce Betts returns for What's Up with a celebration of Lunar PlanetVac and a look ahead to this week's lunar eclipse.
Discover more at: https://www.planetary.org/planetary-radio/2025-extinction-level-event-for-nasa-science
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Space Policy Edition: Locke, liberty, and the pursuit of happiness (in space)
Philosopher Rebecca Lowe joins us to explore how the ideas of classical liberalism can provide fresh insight into humanity’s activities in space. Our conversation explores the philosophical tensions between individual freedom and societal good, the instrumental and intrinsic value of space activities, and the uniquely accessible nature of space science and exploration. From a novel approach to lunar property rights and the opportunities to support human flourishing, Lowe offers a thought-provoking vision of how philosophical traditions can inform our cosmic ambitions.
Discover more at: https://www.planetary.org/planetary-radio/classical-liberalism-in-space
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Breaking down Bennu: OSIRIS-REx finds life’s building blocks in asteroid sample
NASA’s OSIRIS-REx mission has returned pristine samples from asteroid Bennu to Earth, and the early results are remarkable. Sample analysts have confirmed the presence of abundant organic compounds, nitrogen-rich material, and evidence of past liquid water, all key ingredients that could help us understand the role asteroids played in delivering the building blocks of life to Earth. This week, we’re joined by Scott Sandford, co-investigator on OSIRIS-REx and a research scientist at NASA’s Ames Research Center. He explores the first two sample analysis papers published by NASA’s OSIRIS-REx team. Then, Bruce Betts joins us for What’s Up, where we look back at humanity’s history of sample return missions.
Discover more at: https://www.planetary.org/planetary-radio/2025-OSIRIS-REx-sample
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Genesis: The sample return mission that fell to Earth and still succeeded
Twenty years ago, NASA’s Genesis spacecraft returned to Earth carrying precious samples of the solar wind, only to crash-land in the Utah desert. But that wasn’t the end of the mission. Amy Jurewicz, Assistant Research Professor Emeritus at Arizona State University and former project scientist at NASA’s Jet Propulsion Laboratory for the Genesis team, takes us inside the mission’s highs and lows, from its Apollo-inspired origins to its contributions to cosmochemistry and space weather. We discuss what this mission taught us about future sample returns, spacecraft protection, and long-term human spaceflight beyond Earth’s magnetosphere. Then Bruce Betts, Planetary Society chief scientist, joins for What’s Up and a look back at the history of sample returns.
Discover more at: https://www.planetary.org/planetary-radio/2025-genesis
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Astronaut Hayley shares her brave adventure
From IV drips to rocket ships, Hayley Arceneaux has been on a journey. She joins Planetary Radio to discuss her memoir “Wild Ride” and her newly released kid's book “Astronaut Hayley's Brave Adventure,” which tell the story of how her experiences with childhood cancer at St. Jude Children's Research Hospital set the stage for her journey to space aboard SpaceX's Inspiration4 mission. Then, Planetary Society Chief Scientist, Bruce Betts, talks about the g-forces experienced during astronaut training in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2025-astronaut-hayleys-brave-adventure
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Near-Earth Asteroid 2024 YR4 and NASA under a new administration
The internet is buzzing about Asteroid 2024 YR4, currently ranked as the highest-threat asteroid in our skies. But is it really cause for concern? Our Public Education Specialist, Kate Howells, breaks down the facts. Then, we shift from potential impacts to stunning space imagery as Finn Burridge from the Royal Observatory Greenwich shares how astrophotographers worldwide can participate in the Astronomy Photographer of the Year competition. Finally, our space policy experts, Casey Dreier and Jack Kiraly, discuss how the new Trump administration has impacted NASA in its first weeks. Stick around for What’s Up with Bruce Betts, as he explains how we assess asteroid threats using the Torino Impact Hazard Scale.
Discover more at: https://www.planetary.org/planetary-radio/2025-2024-YR4-and-a-new-administration
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Space Policy Edition: Mars Sample Return, but at what (fixed) price?
Rocket Lab CEO Peter Beck joins the show to unpack his company’s bold, $4-billion fixed-price plan to bring Martian samples home, why he believes commercial partnerships can unlock new frontiers in planetary science, and his “soft spot” for interplanetary exploration. Then, Richard French — former JPL engineer and now VP of Business & Strategy at Rocket Lab — provides deeper insight into their proposed Mars Sample Return architecture, explaining how a single, vertically integrated team could cut costs and secure mission success. And yes, we get an update on the status of their Venus mission, too.
Discover more at: https://www.planetary.org/planetary-radio/can-rocketlab-save-msr
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Kiss-and-capture: The dance of Pluto and Charon
How did Pluto meet its largest moon, Charon? Many have speculated that Charon formed in an impact, but traditional models of planetary formation have struggled to explain many of the quirks of this system. This week, Adeene Denton, a research scientist at the University of Arizona, shares her team's new paper that suggests a "kiss-and-capture" may solve this mystery. Then Bruce Betts, The Planetary Society's chief scientist, discusses contact binaries in our Solar System and shares a new Random Space Fact in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2025-pluto-kiss-and-capture
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The Edward Stone Voyager Exploration Trail
This week on Planetary Radio, we celebrate the enduring legacy of Ed Stone, the longtime project scientist for NASA’s Voyager mission and former director of JPL. Mat Kaplan, senior communications advisor at The Planetary Society, takes us to the unveiling of the Dr. Edward Stone Voyager Exploration Trail at JPL, where we hear from past and present JPL leaders, Voyager mission team members, and Ed Stone’s family. Plus, we kick off the episode with the much-anticipated launch of Blue Origin’s New Glenn rocket and wrap up with What’s Up, as Bruce Betts explores the rare planetary configuration that made Voyager’s Grand Tour possible.
Discover more at: https://www.planetary.org/planetary-radio/2025-ed-stone-trail
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Does It Fly? Putting science in entertainment to the test
This week, we discuss how to examine the science behind our favorite TV shows and movies with the co-hosts of the "Does It Fly?" podcast, Hakeem Oluseyi and Tamara Krinsky. Produced by Roddenberry Entertainment, "Does It Fly?" takes an expert approach to breaking down the science of popular media, from lightsabers to Dune's stillsuits. Hakeem brings his astrophysics expertise, while Tamara provides her media industry insights as they join Planetary Radio to explore where science and fiction intersect. Stick around for What's Up with Bruce Betts and this week's Random Space Fact.
Discover more at: https://www.planetary.org/planetary-radio/2025-does-it-fly
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Revisiting K2-18 b: JWST finds a lead in the search for life on a mysterious exoplanet
This week we revisit one of the most remarkable exoplanet discoveries of 2024 with the help of the James Webb Space Telescope (JWST). JWST detected signs of methane and carbon dioxide in the atmosphere of K2-18 b. Knicole Colón, the deputy project scientist for exoplanet science for JWST, explains how this discovery could reshape our search for life beyond Earth and teach us more about the enigmatic class of exoplanets known as sub-Neptunes. Stick around for What's Up with Bruce Betts, the chief scientist of The Planetary Society.
Discover more at: https://www.planetary.org/planetary-radio/2025-jwst-new-lead-in-search-for-life
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Emily Calandrelli becomes the hundredth woman in space
This week, we celebrate a remarkable milestone as Emily Calandrelli, also known as “the Space Gal,” becomes the 100th woman to venture into space. Emily shares her experiences on the Blue Origin voyage, what she took to space, and how motherhood influenced her reaction to seeing Earth from space. Then Planetary Society Chief Scientist Bruce Betts joins for What's Up and a list of fun things to do in zero-g.
Discover more at: https://www.planetary.org/planetary-radio/2025-100th-woman-in-space
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Space Policy Edition: The Challenges of Change at NASA
How does change happen within NASA, and what prevents it? Marcia Smith, founder of Space Policy Online, joins the show to discuss the opportunities and pitfalls faced by incoming presidential administrations and how NASA has—and hasn’t—changed over the decades. Will Artemis be reimagined? Will public-private partnerships introduce more risk than reward? And is change even the right default attitude to take?
Discover more at: https://www.planetary.org/planetary-radio/change-and-continuity-at-nasa-with-marcia-smith
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The Planetary Society’s 45th anniversary with Bill Nye
Planetary Radio kicks off The Planetary Society's 45th anniversary year with CEO, Bill Nye. Bill reflects on the organization's first forty-five years and what humanity has learned about space in that time. Then, Chief Scientist Bruce Betts joins in for the first What's Up and Random Space Fact of 2025.
Discover more at: https://www.planetary.org/planetary-radio/2025-45th-anniversary
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Looking back on 2024
The Planetary Society team reviews the best space moments of 2024, from the China National Space Administration's return of samples from the far side of the Moon to the triumphant launch of NASA's Europa Clipper mission. Kate Howells (Public Education Specialist) shares the winners of The Planetary Society's Best of 2024 awards. Then, Mat Kaplan (Senior Communications Advisor), Ambre Trujillo (Digital Community Manager), and Asa Stahl (Science Editor) team up for a rundown of the year's highlights. We close out 2024 with Bruce Betts, our chief scientist, as he shares his last random space fact of the year.
Discover more at: https://www.planetary.org/planetary-radio/2024-looking-back
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Mars “spiders” recreated in the lab
Lauren Mc Keown, a postdoctoral fellow at NASA's Jet Propulsion Laboratory, discusses her experiences recreating Martian araneiform terrain, also called Mars spiders, in the lab. Latif Nasser, the co-host of Radiolab, also joins Planetary Radio to share how you can cast your vote to name a quasi-Moon of Earth. Then Bruce Betts, chief scientist of The Planetary Society, looks at a different type of seasonal feature on Mars, recurring slope lineae, in What’s Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-mars-spiders
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Space Policy Edition: The Myth of Presidential Leadership
For over half a century, space advocates and presidents alike have tried to recreate the JFK moment of calling on the country to send a man to Moon — but is this a mistake? The classic book Spaceflight and the Myth of Presidential Leadership argued that it is, and by focusing on presidential power alone advocates set up these initiatives to fail.
However, in the decades since its publication, presidential authority has dramatically expanded. In this episode, we examine this tension: Did the success of Apollo create a false expectation about the role of presidential leadership in spaceflight? How can a president most effectively set new long-term goals for NASA?
Discover more at: https://www.planetary.org/planetary-radio/myth-of-presidential-leadership
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StarTalk with Bill Nye and Neil deGrasse Tyson
We take you to Planetary Society headquarters, where Neil deGrasse Tyson, astrophysicist and host of StarTalk, interviews Planetary Society CEO Bill Nye about the organization's 45-year history of empowering the world's citizens to advance space science and exploration. Then, we share an update on the incoming Trump administration's proposed pick for the next NASA Administrator, Jared Isaacman. Planetary Society Chief of Space Policy, Casey Dreier, and Director of Government Relations, Jack Kiraly, give us the details. We close out with Bruce Betts as he discusses the Van Allen belts and shares a new random space fact in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-startalk
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A hundred weeks in space exploration
Sarah Al-Ahmed, the host of Planetary Radio, marks her 100th episode with a look back at the defining moments of the past 100 weeks of space exploration. We'll revisit previous Planetary Radio interviews, including the launch of ESA's Juice mission to the icy moons of Jupiter with project scientist Olivier Witasse. Danny Glavin, the co-investigator for NASA's OSIRIS-REx, shares his thoughts after the triumphant return of samples from asteroid Bennu. Lindy Elkins-Tanton, principal investigator for NASA's Psyche mission, reflects on her team's mission to explore a metallic asteroid. Then, Bob Pappalardo, project scientist for Europa Clipper, discusses the mission's intense brush with Hurricane Milton before blasting off to unlock the secrets of a potentially habitable ocean world. We close out the show with Bruce Betts, the chief scientist of The Planetary Society, for What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-one-hundred-weeks
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Seven worlds, one mission: The United Arab Emirates aims for the asteroid belt
The United Arab Emirates Space Agency is working on its next ambitious spacecraft, the Emirates Mission to the Asteroid Belt. It will visit seven asteroids, ultimately rendezvousing with Justitia, the reddest object in the main asteroid belt. We'll get an update on their team's progress from Mohsen Al Awadhi and Hoor Al Hazmi, the director and science team lead for the Emirates Mission to the Asteroid Belt. Then, our chief scientist at The Planetary Society, Bruce Betts, joins host Sarah Al-Ahmed for What's Up and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-uae-asteroid-belt
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What does the U.S. election mean for NASA?
Presidential elections in the United States don’t just shape the country’s future — they set the course for space exploration. This week, Casey Dreier, the chief of space policy at The Planetary Society, analyzes what the incoming Trump administration could mean for NASA’s funding, human spaceflight, and its Science Mission Directorate. Meanwhile, budget cuts have triggered another round of layoffs at NASA’s Jet Propulsion Laboratory. Jack Kiraly, Planetary Society director of government relations, explains why it happened, and what U.S. residents can do to help. Plus, Bruce Betts is back with What's Up and another fascinating Random Space Fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-election-nasa
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EELS: AI-enabled snake robots and the search for life on Enceladus
Morgan Cable and Hiro Ono from NASA's Jet Propulsion Laboratory join Planetary Radio to discuss the Exobiology Extant Life Surveyor (EELS) robot concept, a snake-like AI-enabled device designed to navigate the vents of Enceladus. This technology could tell us more about the habitability of Enceladus' subsurface ocean. But first, Kate Howells, The Planetary Society's public education specialist, shares how you can participate in The Planetary Society Best of 2024 Awards. Stay tuned for Bruce Betts, our chief scientist, for What's Up and a new Random Space Fact about Enceladus.
Discover more at: https://www.planetary.org/planetary-radio/2024-eels
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Spaceport Nova Scotia
Spaceport Nova Scotia, Canada’s first commercial launch site, represents a significant step forward for the Canadian space industry. This week, we learn what this spaceport can do for the country's exploratory aspirations and international cooperation with Steve Matier and Sasha Jacob, the CEO and Chairman of Maritime Launch Services. Then Bruce Betts joins me for What's Up and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-spaceport-nova-scotia
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Space Policy Edition: NASA at a Crossroads
Norm Augustine, the distinguished aerospace industry veteran behind numerous influential studies, joins the show to discuss “NASA at a Crossroads,” the new report that raises alarm bells for NASA’s workforce, infrastructure, and technology capabilities.
Augustine, who chaired an expert committee of the National Academies of Sciences, Engineering, and Medicine, came to the conclusion that NASA is on an unsustainable path, and has underinvested in its enabling workforce and physical infrastructure for decades.
The solutions put forth by this report committee will require years of effort from NASA, Congress, and subsequent presidential administrations. Which path NASA decides to take, however, may not be known for years to come.
Discover more at: https://www.planetary.org/planetary-radio/spe-nasa-at-a-crossroads
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Splat or subsurface ocean? The mysterious positioning of Pluto’s heart
This week, we investigate the mysteries of Pluto's iconic heart-shaped feature. We explore recent research on the origins of the Sputnik Planitia region and what it can tell us about whether or not the dwarf planet has a subsurface ocean. Our guest, Adeene Denton from the University of Arizona, discusses her team's work investigating oblique impact basins, or "splats," and their implications for planetary formation. Then Bruce Betts, chief scientist at The Planetary Society, joins host Sarah Al-Ahmed for a roundup of the most significant impacts in our Solar System in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-pluto-splat
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Europa Clipper blasts off: How the mission team weathered Hurricane Milton
NASA's Europa Clipper mission launched on Monday, Oct. 14, 2024, embarking on a journey to explore Jupiter's icy moon, Europa. This week, Planetary Radio welcomes Bob Pappalardo, the mission's project scientist, who recounts the team's dramatic encounter with Hurricane Milton before their triumphant launch. Plus, get a sneak peek at The Planetary Society's upcoming collaboration with StarTalk as Neil deGrasse Tyson, astrophysicist and director of the Hayden Planetarium, visits The Planetary Society's headquarters. As always, Bruce Betts wraps up with What's Up, featuring a beautiful member-submitted poem and an intriguing random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-europa-clipper-blasts-off
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Internships, conferences, and grad school: A space student's guide
This week, Planetary Radio offers advice for students pursuing higher education in space-related fields. Elizabeth Koenck, a Zed Factor Fellow, shares how her internship at The Planetary Society has helped her pursue a future in space policy. Sara Miller, the organizer of AbGradCon and a Ph.D. candidate at Cornell, discusses how to best leverage conferences and build community. Then, Briley Lewis, a recent Ph.D. graduate at UCLA and a correspondent at STARtorialist, will teach you how to survive grad school. Stick around for What's Up with Bruce Betts, our chief scientist, as he shares more about The Planetary Society's new book series for kids.
Discover more at: https://www.planetary.org/planetary-radio/2024-space-students-guide
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Clipper’s champions: Space advocates and the fight for a mission to Europa
Jupiter's moon Europa is one of the most promising targets in the search for life. The Planetary Society and space advocates around the world fought to make Europa Clipper a reality. This week, we learn more about the tumultuous history of the mission with Casey Dreier, our chief of space policy. Mat Kaplan, senior communications adviser, gives an update on the successful launch of the European Space Agency's Hera mission and the delayed launch of Europa Clipper due to Hurricane Milton. Then, Bruce Betts, chief scientist at The Planetary Society, discusses two opportunities to view comets in the October sky in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-clippers-champions
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Space Policy Edition: The space policies of a Harris Administration
Lori Garver, former NASA Deputy Administrator, joins the show to discuss the potential space policy priorities of a Harris Administration. We explore Harris’ interests in her role as head of the National Space Council, the major issues facing NASA, and Garver’s thoughts on the evolution of Elon Musk, whom she championed during her tenure at NASA in an effort to kickstart the commercial space industry.
Discover more at: https://www.planetary.org/planetary-radio/harris-admin-space-policy-preview
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Return to Dimorphos: Looking forward to the Hera launch
We look forward to the Oct. 7 launch of the European Space Agency's Hera spacecraft with Michael Küppers, project scientist for the mission. Then Ambre Trujillo, our digital community manager at The Planetary Society, lets you know how to celebrate Europa Clipper by joining NASA's Runway to Jupiter style challenge. We'll close out with Bruce Betts, our chief scientist, and a discussion of the potential future meteor shower caused by the DART impact in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-hera-launch
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2024 NASA Innovative Advanced Concepts Symposium: Part 2 - Stellar imaging and looking for life while mining water on Mars
We return to the 2024 NASA Innovative Advanced Concepts (NIAC) Symposium for part two of our coverage. Astronaut and NIAC external council member Mae Jemison honors Lou Friedman, the co-founder of The Planetary Society, for his contributions to the space community and the NIAC program. Then Kenneth Carpenter from NASA's Goddard Space Flight Center and his colleagues pitch their plan for an Artemis-enabled Stellar Imager. Steven Benner from the Foundation for Applied Molecular Evolution and his team tell us about their plan for an add-on to large-scale water mining operations on Mars to screen for introduced and alien life. We close out with Bruce Betts, chief scientist of The Planetary Society, in What's Up, as we celebrate LightSail 2 being announced as one of the winners of this year's Gizmodo Science Fair.
Discover more at: https://www.planetary.org/planetary-radio/2024-niac-part-2
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2024 NASA Innovative Advanced Concepts Symposium: Part 1 - Human hibernation and swarming Proxima Centauri
Join us on a journey to the 2024 NASA Innovative Advanced Concepts (NIAC) Symposium. We'll hear from the teams behind two NIAC projects that could help us study distant planets and potentially reach them ourselves. Marshall Eubanks from Space Initiatives, Inc. and his colleagues will introduce us to their concept for a swarm of laser sailing pico spacecraft that could travel interstellar distances. Then Ryan Sprenger from Fauna Bio Inc. joins us to discuss how hibernation could help humans reach other worlds. Then, our chief scientist, Bruce Betts, joins us for What's Up and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-niac-part-1
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Chasing auroras with the Aurora Guy
We are near solar maximum, a time in the solar cycle when our Sun is most active. That means more sun spots, coronal mass ejections, and auroras on worlds across our solar system. This week, Vince Ledvina, also known as the Aurora Guy, joins Planetary Radio to discuss the science behind the northern and southern lights and what they can tell us about our Sun, our planet, and worlds across our galaxy. Then Bruce Betts joins in for What's Up, a chat about global magnetic fields on terrestrial worlds and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-aurora-guy
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Space Policy Edition: The Space Policy of a Second Trump Administration
Dr. Greg Autry, who served on Trump’s NASA transition team in 2016 and was nominated for the position of NASA CFO in 2020, joins the show to discuss the space policy issues facing a potential second Trump administration in 2025. We discuss the role of competition versus cooperation in space exploration, how space politics have changed since Trump’s first term, and what major issues at NASA must be faced by the next presidential administration.
Discover more at: https://www.planetary.org/planetary-radio/space-policy-issues-second-trump-term
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Europa in reflection: A compilation of two decades
With less than two months to go until the highly anticipated launch of NASA's Europa Clipper mission, we take a look back at over twenty years of Planetary Radio episodes about Jupiter's most intriguing moon. You'll hear from Elizabeth 'Zibi' Turtle, planetary scientist at Johns Hopkins Applied Physics Lab, Bob Pappalardo, project scientist for Europa Clipper, and many more, as we reflect on all of the dreams and science it took to make the upcoming mission a reality. Then, Bruce Betts, our chief scientist, joins in for What's Up as host Sarah Al-Ahmed gears up for next week's NASA Innovative Advanced Concepts symposium.
Discover more at: https://www.planetary.org/planetary-radio/2024-europa-in-reflection
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Ramses and rockets: Commercial space adventures and the race to Apophis
Get up to speed on the latest in commercial space news. Mat Kaplan, the senior communications advisor for The Planetary Society, returns with an update on the fate of the Boeing Starliner astronauts, the imploding and exploding adventures of Blue Origin's New Glenn rocket, and a brief look forward to SpaceX's Polaris Dawn mission. Asa Stahl, our science editor, shares the good news about the European Space Agency's Ramses mission, which hopes to rendezvous with asteroid Apophis before its closest approach to Earth in 2029. Then our public education specialist, Kate Howells, shares some tips on how to deal with space rocks in her new article, "What would happen if we nuked an asteroid?" We end our show with What's Up with Bruce Betts, our chief scientist, and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-ramses-and-rockets
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Crickets and gastrodiplomacy: The future of space food
As we look to build a more sustainable human presence in space, we will need to find new and innovative ways to feed our travelers. This week, we hear from Team Insecta, a group of Canadian students exploring crickets as a viable source of space food. Newton Campell Jr., a member of The Planetary Society's board of directors and co-founder of Heritage Space Food, discusses gastrodiplomacy and the importance of representation in space food. Then we close out with What's Up with Bruce Betts and a look at one of The Planetary Society's STEP grant-winning projects studying the complexities of growing plants in space.
Discover more at: https://www.planetary.org/planetary-radio/2024-crickets-and-gastrodiplomacy
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An Earthling’s guide to the "Moons Symphony"
Planetary Radio takes a melodic adventure to the Ravinia Festival in Illinois, USA, for the public premiere of the "Moons Symphony." Mat Kaplan, senior communications advisor at The Planetary Society, speaks with a panel of amazing guests, including members of the Europa Clipper, Dragonfly, and Cassini teams, about the discoveries that inspired the music. Then, Bruce Betts, our chief scientist, marks the end of the 2024 Summer Olympics with a random space fact in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-moons-symphony
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Hide and seek with Planet 9
A ninth planet may be lurking in our Solar System out beyond Neptune. Caltech's Mike Brown and Konstantin Batygin join us to discuss their new paper, the latest evidence for Planet 9, and why they believe their hunt may soon be over. Then, Bruce Betts, chief scientist of The Planetary Society, joins us for What's Up and an Olympic-themed random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-hide-and-seek-planet-9
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Space Policy Edition: Do we need a philosophy of space exploration?
Why do we explore space? This is not an easy question to answer. Yet policy expert G. Ryan Faith believes there is value to be had in communal engagement with this question. While easy answers may elude us, the act of defining our values and goals in space can help avoid common pitfalls and dead ends in our exploration efforts, ensuring a continued commitment to space for generations to come.
Discover more at: https://www.planetary.org/planetary-radio/spe-philosophy-of-space-exploration-ryan-faith
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Possible biomarkers: Perseverance rocks the Tenth International Conference on Mars
NASA's Perseverance rover has made a groundbreaking discovery on Mars: a sample that may hold evidence of ancient microbial life. This week, we visit the Tenth International Conference on Mars, where you'll hear from several Mars scientists, including Caltech's Ken Farley, Perseverance project scientist, Meenakshi Wadhwa and Brandi Carrier, the principal scientist and lead sample integrity scientist for Mars Sample Return at NASA JPL. We'll also discuss the recent cancellation of NASA's VIPER lunar mission with our director of government relations, Jack Kiraly. Before we go, we'll turn to Bruce Betts, the chief scientist of The Planetary Society for What's Up, as he shares a new cometary random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-tenth-mars
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Victory for VERITAS
Fans of Venus were saddened in late 2022 to learn that one of NASA's upcoming Venus missions, VERITAS, was defunded, but with the help of space advocates, the mission is now back on. Darby Dyar, the deputy principal investigator for VERITAS, returns triumphantly to Planetary Radio to share the story. We also take a look at the new U.S. House of Representatives budget request for NASA and how it will impact programs like Artemis and Mars Sample Return with Casey Dreier, our chief of space policy. We'll close out our show with Olympic cheer as Bruce Betts, our chief scientist, shares a new random space fact in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-victory-for-veritas
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The penguin, the egg, and the asteroid collision in Beta Pictoris
We celebrate the second anniversary of the James Webb Space Telescope's (JWST) science operations with Christine Chen, associate astronomer at the Space Telescope Science Institute. She describes the observatory's newest beautiful image, a close-up of two interacting galaxies called the Penguin and the Egg. Then, she tells us more about her team's recent findings in the Beta Pictoris system, where clearing dust indicates a recent and powerful asteroid collision. We also go back to the early solar system with Bruce Betts, our chief scientist, discussing the massive collisions that shaped our place in space in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-penguin-egg-and-asteroid
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Meet Roo-ver and The Planetary Society’s new board member
The Planetary Society introduces the newest member of its board of directors this week on Planetary Radio. Newton Campbell Jr., the director of the Australian Remote Operations for Space and Earth (AROSE) Consortium, discusses his career journey, AI in space, and Australia's first lunar rover, the Roo-ver. But first, we go to Washington D.C., U.S.A., where our director of government relations, Jack Kiraly, recently held a briefing for Congressional staffers. Jack discusses the event and the efforts to boost funding for NASA in the coming fiscal year. Then, Bruce Betts, the chief scientist of The Planetary Society, shares a new galactic space fact in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-meet-roo-ver
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Space Policy Edition: NASA and the American South
Every major NASA center built after the agency’s inception is located in the American South. Why? Dr. Brian Odom, NASA’s chief historian, joins the show to explore the relationship between NASA and the South, how politics and geography led to this focus, and why NASA’s expansion during the Apollo era was likened to a second reconstruction of a previously rural and underdeveloped region of the United States.
Discover more at: https://www.planetary.org/planetary-radio/spe-nasa-and-the-american-south
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Fifty-five hundred worlds and counting: The astonishing diversity of exoplanets
Scientists have discovered over 5,500 exoplanets, but they’re just getting started. We dive into the stunning variety of exoplanets beyond our Solar System with Jessie Christiansen, the project scientist for the NASA Exoplanet Archive. But first, The Planetary Society's science editor, Asa Stahl, shares more about the upcoming Habitable Worlds Observatory, a cutting-edge space telescope designed to hunt for worlds that could harbor life. We also give an update on the International Space Station with our senior communications advisor, Mat Kaplan. Stick around for What's Up with Bruce Betts as we discuss the advances in exoplanet detection and share a new Random Space Fact.
Discover more at: https://www.planetary.org/planetary-radio/fifty-five-hundred-worlds-and-counting
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An asteroid bash and an asteroid smash
Every year on June 30, the space community observes Asteroid Day, the anniversary of the Tunguska blast. Markus Payer, Asteroid Foundation Chair, joins us to talk about this year's Asteroid Day festivities. We also get an update on the results of the Double Asteroid Redirection Test (DART) with Terik Daly, a planetary scientist and the Planetary Impact Laboratory manager at Johns Hopkins Applied Physics Lab. He’ll tell us more about the aftermath of DART’s smashing encounter with asteroid Dimorphos. Then Bruce Betts, our chief scientist, discusses what The Planetary Society’s asteroid-hunting grant winners have been up and in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-asteroid-bash-smash
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A big year for heliophysics and Parker Solar Probe
Our Sun is nearing the most active part of its solar cycle. This week, we explore recent solar activity and discoveries from NASA's Parker Solar Probe with Nour Rawafi, the mission's project scientist. But first, we honor the life and legacy of Ed Stone, the former director of NASA's Jet Propulsion Laboratory and the longtime project scientist of the Voyager mission. We close out our show with Bruce Betts, the chief scientist of The Planetary Society, in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-parker-solar-probe
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The nova and the naming contest
Last week was a big one for commercial space. Our senior communications advisor, Mat Kaplan, discusses the first crewed Boeing Starliner test and SpaceX Starship launch. Then Asa Stahl, our science editor, lets you know how to observe the upcoming nova in Corona Borealis. RadioLab's Latif Nasser returns to Planetary Radio with a new public naming contest for a quasi-moon of Earth. Then, we dive into some naming conventions for space objects in What's Up with our chief scientist, Bruce Betts.
Discover more at: https://www.planetary.org/planetary-radio/2024-nova-and-naming-contest
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Space Policy Edition: Is Human Spaceflight a Religion?
Holy texts and salvation ideology. Saints and martyrs. True believers and apostates. This isn’t a religion — this is human spaceflight. So says Roger Launius, NASA’s former Chief Historian, in his 2013 paper Escaping Earth: Human Spaceflight as Religion. For the start of our ninth year of the Space Policy Edition, Dr. Launius joins the show to discuss the ways in which human spaceflight exhibits characteristics commonly seen in modern religions, how his thesis has evolved in the past decade with the rise of Elon Musk and his view of Mars as humanity’s salvation, and how exploring secular activities through a religious lens can be instructive in understanding their adherents and support.
Discover more at: https://www.planetary.org/planetary-radio/spe-human-spaceflight-as-religion
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Accidental astronomy
Astronomical and planetary science discoveries often unfold in strange and serendipitous ways. We discuss the delightfully unpredictable nature of space discoveries with Chris Lintott, author of the upcoming book "Accidental Astronomy: How Random Discoveries Shape the Science of Space." Then, Bruce Betts, our chief scientist, gives us a new way to think about the scale of our Solar System in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-accidental-astronomy
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International integration: The path from the Moon to Mars
Every year, Explore Mars hosts the Humans to Mars Summit, a gathering of people from around the world who want to advance human exploration of the Red Planet and beyond. This week on Planetary Radio, we share a conversation from the summit about integrating NASA and its partners as humanity looks to build a permanent and sustainable human presence on Mars. You'll hear from Mat Kaplan (The Planetary Society's senior communications advisor) and representatives of the National Aeronautics and Space Administration (NASA), the Japanese Aerospace Exploration Agency (JAXA), the European Space Agency (ESA), the United Arab Emirates Space Agency (UAESA), and the commercial space industry. Then, we'll check in with Bruce Betts, the chief scientist of The Planetary Society, for What's Up and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-h2m-international-integration
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Bot battles and space dreams
As humanity aims to explore new frontiers in space, the need for good roboticists has never been greater. Robotics leagues and competitions offer a gateway into the field, connecting aspiring engineers with a vibrant community where enthusiasts can learn to accomplish their space dreams. Kelly Biderman, the CEO of Havoc Robotics, joins Planetary Radio to share how the National Havoc Robot League helps to prepare the next generation of space engineers. Then we hear from Florence Pouya, the former captain of the Afghan Girls Robotics Team, as she shares her insights with our senior communications adviser, Mat Kaplan, during their time at the Humans to Mars Summit in Washington, D.C. Stick around for What's Up with Bruce Betts and a new random space fact.
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Day of Action 2024: The Planetary Society goes to Washington
Every year, passionate space advocates from the United States travel to Washington, D.C., to ensure that their vision for the future of space exploration gets the funding and support it needs. Nearly 100 advocates gathered this year on Monday, April 29, 2024, to call for increased funding and better support for NASA's groundbreaking science programs. This week on Planetary Radio, we'll share what happened during this year's Day of Action and why it matters. You'll hear from members of The Planetary Society staff, space advocates from across the United States, and various congresspeople, including the co-chairs of the Congressional Planetary Science Caucus, Representatives Don Bacon and Judy Chu. We close out our show with Bruce Betts for What's Up and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-day-of-action
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TARDIS Talk: Space, Time, and “Doctor Who” with Russell T. Davies
This week on Planetary Radio, we celebrate the longest-running science fiction show in history, “Doctor Who.” We explore how this iconic series has influenced the scientific community and look forward to the new season of the show with Russell T. Davies, the past and present showrunner of “Doctor Who.” Then, space fans from around the world share how the show has impacted their lives and space careers. We close out with Bruce Betts, our chief scientist, as we discuss what we would do with a time machine in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-tardis-talk
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Space Policy Edition: The power of the lunar sublime
Should policymakers spend more time looking — really looking — at the Moon? Chris Cokinos thinks so. He is the author of the new book, Still As Bright: An Illuminating History of the Moon, from Antiquity to Tomorrow, which explores the role of our nearest celestial neighbor in culture, art, and our dreams of space exploration over the course of human history. It’s about the power of looking and seeing something beyond what you’d expect.
But the conversation goes beyond that. We discuss the role of the sublime in our everyday lives, how to find beauty in the quotidian, the role of language in conveying the beauty and power of space, and even why he thinks landing cremains on the Moon is disrespectful.
Discover more at: https://www.planetary.org/planetary-radio/the-moon-still-as-bright-chris-cokinos
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Europa Clipper’s message in a bottle
NASA's Europa Clipper mission is almost ready for its historic trip to the Jovian system. Merc Boyan, a visual storyteller at The Planetary Society, takes us into the clean room at NASA's Jet Propulsion Laboratory to speak with team members about the spacecraft. Then Bob Pappalardo, project scientist for Europa Clipper, visits The Planetary Society headquarters in Pasadena, CA, to share the story of the mission's vault plate, humanity's next collection of messages to another world. Bruce Betts, the Planetary Society chief scientist, closes out this week's show in What's Up, discussing his favorite messages from Earth.
Discover more at: https://www.planetary.org/planetary-radio/2024-europa-clipper-message-in-a-bottle
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Eclipse-O-Rama
On April 8, 2024, a total solar eclipse passed over Mexico, the United States, and Canada. This week on Planetary Radio, we take a trip to The Planetary Society’s Eclipse-O-Rama festival in Fredericksburg, Texas, where hundreds gathered to witness totality. We share the reactions of festival attendees along with snippets from the talks given by special guests at the event, including Bill Nye, the CEO of The Planetary Society, Bethany Ehlmann, president of The Planetary Society and principal investigator for the NASA Lunar Trailblazer mission, and Bee Hayes-Thakore, Vice President of Marketing at Kigen and member of The Planetary Society's board of directors. Tim Dodd, better known as the Everyday Astronaut, and Bob Pflugfelder, popularly known as Science Bob, share their experiences. Bruce Betts, the chief scientist of The Planetary Society, tells us about the solar features people may have seen during the eclipse in What's Up. Then we get an update on the Mars Sample Return mission with Casey Dreier, The Planetary Society's chief of space policy, and Jack Kiraly, our director of government relations.
Discover more at: https://www.planetary.org/planetary-radio/2024-eclipse-o-rama
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Tabletops and telescopes: NASA’s RPG and the hunt for habitable worlds
This week on Planetary Radio, we explore "The Lost Universe," NASA's first tabletop role-playing game, with Christina Mitchell, a senior multimedia specialist at NASA's Goddard Space Flight Center in Maryland, U.S.A. Then, we'll shift our gaze from the mythical to the methodical with Amaury Triaud, an astronomer from the University of Birmingham in the U.K. He and his colleagues have found a new method for potentially detecting liquid water on the surfaces of terrestrial exoplanets. We close out with our chief scientist, Bruce Betts, for What's Up and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-tabletops-and-telescopes
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Radiolab helps name a quasi-moon of Venus
Sometimes, misunderstandings can spark beautiful adventures. This week on Planetary Radio, we explore the story behind the naming of Zoozve, a quasi-moon of Venus, with Latif Nasser, co-host of Radiolab. He shares how a typo on a space poster led the Radiolab team on an epic quest to convince the International Astronomical Union to name this quirky space object. Then, Bruce Betts, our chief scientist, pops in for What's Up and a discussion of some of the things asteroid hunters have found lurking in our Solar System.
Discover more at: https://www.planetary.org/planetary-radio/2024-radiolab-helps-name-a-quasi-moon
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Space Policy Edition: Real and Acceptable Reasons for Space Exploration
Former NASA Administrator Mike Griffin joins the Space Policy Edition to discuss his notable 2007 speech outlining the tension between so-called “real” and “acceptable” reasons for space exploration.
“Acceptable” reasons for space exploration are logical, policy-friendly justifications such as workforce development, technology spinoffs, and STEM engagement. They are quantifiable and dispassionate — the Vulcans of arguments.
However, Griffin argues that the essence of humanity's drive to explore space is the “real” reasons, which are intuitive, emotional, and grand. They have value but are hard to quantify. These include the innate human desire for competitiveness, curiosity, and the urge to leave lasting legacies through monumental achievements.
Why do we have this dichotomy? What in the system itself prefers acceptable reasons over real reasons? And how can we leverage the relative strengths of both systems to be better space advocates?
Discover more at: https://www.planetary.org/planetary-radio/mike-griffin-real-and-acceptable-reasons-for-space-exploration
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Syzygy science: Discoveries made during total solar eclipses
Planetary Radio marks its last show before the Apr. 8 total solar eclipse with a look back at discoveries made during totality. Planetary Society science editor Asa Stahl shares why solar maximum is excellent for eclipse observing but potentially scary for Earth. Then Jeff Rich, outreach coordinator at the Carnegie Science Observatories in Pasadena, CA, joins Planetary Radio to discuss how total solar eclipses have contributed to our understanding of the Sun and beyond. Bruce Betts, our chief scientist, closes the show with What's Up and a chat about the ways that Einstein's general relativity impacts humanity and our technology.
Discover more at: https://www.planetary.org/planetary-radio/2024-syzygy-science
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Eclipse Tips: A guide to safe observing and astrophotography
On April 8, 2024, a total solar eclipse will sweep across North America. Ron Benner, the President of the American Optometric Association, joins Planetary Radio to share safety tips to protect your eyes during partiality. Then, astrophotographer Andrew McCarthy gives helpful advice about observing solar eclipses using telescopes and cameras. We close the show with our chief scientist, Bruce Betts, as he discusses The Planetary Society's new eclipse book for kids, "Casting Shadows," and the upcoming Eclipse-O-Rama festival in Texas, U.S.A.
Discover more at: https://www.planetary.org/planetary-radio/2024-eclipse-tips
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The asteroid hunter
Behind every space mission is a tale of hard work, love, and perseverance. Dante Lauretta, the principal investigator for NASA's OSIRIS-REx mission, joins Planetary Radio to share stories from his new book, "The Asteroid Hunter." Then Bruce Betts, the chief scientist of The Planetary Society, looks back at the Shoemaker-Levy 9 impact on Jupiter and answers a question from our audience in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-the-asteroid-hunter
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Tales of totality: The adventures of an eclipse chaser
The countdown is on! With less than a month until the total solar eclipse on April 8, 2024, Planetary Radio is buzzing with anticipation. This celestial event will sweep across Mexico, the United States, and Canada, promising a spectacular view to millions. Jim Bell, a professor from the School of Earth and Space Exploration at Arizona State University and former president of The Planetary Society's Board of Directors, will share captivating tales from his global eclipse-chasing journeys. But before diving into the cosmic wonders, we'll bring you the latest updates on the proposed US Presidential Budget. The Planetary Society's space policy experts, Casey Dreier and Jack Kiraly, will explain what this budget proposal means for NASA's funding and future projects. Then, the great Bruce Betts will pop in for What's Up as host Sarah Al-Ahmed looks forward to high-fiving him in person at The Planetary Society's upcoming Eclipse-O-Rama event in Texas, U.S.
Discover more at: https://www.planetary.org/planetary-radio/2024-eclipse-chasing
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Geothermal activity on the icy dwarf planets Eris and Makemake
A team co-led by the Southwest Research Institute has made a groundbreaking discovery, revealing evidence of hydrothermal or metamorphic activity on the icy dwarf planets Eris and Makemake in the Kuiper Belt. The lead author of this research, Chris Glein, joins Planetary Radio to explain. But our journey doesn't stop there. We dive into the newly reformed US Planetary Science Caucus with The Planetary Society's top space policy experts, Casey Dreier and Jack Kiraly. Our senior communications adviser, Mat Kaplan, celebrates a monumental achievement in space exploration — the successful landing of Intuitive Machine's Odysseus spacecraft on the lunar surface. And don't miss the latest installment of What's Up with Bruce Betts, our chief scientist, as he shares a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-eris-and-makemake
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Space Policy Edition: The ahistorical era of commercial lunar exploration
The successful landing of IM-1 on the Moon ushered in a new era of commercial lunar exploration, one that has little to no historical precedent. The future, still highly uncertain, is rich with promise for what commercial payload deliveries can provide. There will be new and more frequent science opportunities, lower-cost access for national and non-state actors, and, potentially, a path to a sustainable presence on the lunar surface. Dr. Matt Shindell, science historian and curator of the planetary exploration collection at the Smithsonian Institution, joins the show to discuss the unique historical moment we find ourselves in, and how planetary exploration has evolved and could continue to evolve on and around the Moon.
Discover more at: https://www.planetary.org/planetary-radio/ahistorical-era-of-clps
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The legacy of Red Rover Goes to Mars
Over two decades ago, an innovative partnership between The Planetary Society, NASA, and LEGO created the Red Rover Goes to Mars program. Today, we reflect on the program's remarkable achievements with our chief scientist, Bruce Betts. We're also joined by two extraordinary people whose lives were forever changed by their experiences as student astronauts in the program during their high school years. Courtney Dressing, an associate professor in the Department of Astronomy at the University of California, Berkeley, and Abigail Fraeman, the deputy project scientist for NASA's Curiosity Rover at the Jet Propulsion Laboratory, share their inspiring journeys through the program and beyond. Then Bruce Betts returns to share more of LEGO's involvement in space exploration and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-red-rover-goes-to-mars
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OSIRIS-REx becomes APEX
After NASA's OSIRIS-REx spacecraft's successful sample retrieval from asteroid Bennu, it's onto its next adventure as OSIRIS-APEX, the Apophis Explorer. Scott Guzewich, deputy project scientist for APEX, joins Planetary Radio to discuss the next steps for the mission as we count down to asteroid Apophis’ flyby of Earth in 2029. Then Bruce Betts, The Planetary Society’s chief scientist, pops in for What's Up and a look at other multi-world missions.
Discover more at: https://www.planetary.org/planetary-radio/2024-osiris-apex
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The Space Race: Honoring the first African-American space explorers
This week on Planetary Radio, we take a peek behind the scenes at National Geographic's new documentary, “The Space Race,” which celebrates the triumphs and struggles of the first African-American space pioneers and astronauts. Co-directors Diego Hurtado de Mendoza and Lisa Cortés, space pioneer Ed Dwight, and astronaut Leland Melvin join us to discuss the film. But first, Casey Dreier, The Planetary Society's chief of space policy, and Jack Kiraly, our director of government relations, give an update on the U.S. budget gridlock that caused the recent layoff of hundreds of people at NASA's Jet Propulsion Laboratory. Twitch streamer Moohoodles joins the show later to talk about her upcoming stream with Planetary Radio, and we close out with What's Up with Bruce Betts and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2024-space-race
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Exploring solar eclipses through time
This week on Planetary Radio, we delve into the evolution of humanity's relationship with one of our planet's most awe-inspiring phenomena: total solar eclipses. Ed Krupp, the director of Griffith Observatory in Los Angeles, will share insights from the fascinating field of archaeoastronomy. We'll explore how cultures throughout history have interpreted and imbued solar eclipses with meaning. We'll also introduce The Planetary Society's latest addition, Asa Stahl, our new science editor. Then Bruce Betts, The Planetary Society's chief scientist, shares a new random space fact and his experience with historic astronomical sites.
Discover more at: https://www.planetary.org/planetary-radio/2024-solar-eclipses-through-time
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Space Policy Edition: Space isn’t black — it’s grey
It’s a policy paper episode! Laura Delgado López joins the show to break down “Clearing the Fog: The Grey Zones of Space Governance” by Jessica West and Jordan Miller. Grey zones are harmful or disruptive space activities that fall short of provoking a military response — ideally. But the ambiguity, by its nature, could generate unplanned escalation and conflict.
What are these grey zones, and why do they exist? What are their consequences to humanity, even for those in nations not actively pursuing spaceflight? And by what means can we reduce the uncertainty and, therefore the risk to space operations at Earth and beyond?
Laura Delgado López has worked in space policy in the Washington, D.C., area for nearly 15 years and is currently a visiting fellow with the Americas Program at the Center for Strategic and International Studies (CSIS), where she researches and writes on international space cooperation in Latin America. She selected this episode’s paper, which can be accessed for free at the Centre for International Governance Innovation’s website.
Discover more at: https://www.planetary.org/planetary-radio/grey-zones-in-space-governance
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The 20th landing anniversary of Spirit and Opportunity
January marks 20 years since NASA’s twin Mars rovers, Spirit and Opportunity, touched down on the surface of the red planet. Matt Golombek, project scientist for the Mars Exploration Rover Project, joins Planetary Radio to celebrate. But first, the countdown to the next great American total solar eclipse continues. Kate Howells, The Planetary Society’s public education specialist and Canadian space policy adviser, explains why this periodic alignment of our Earth, Moon, and Sun is more rare on the scale of the Universe than you might think. Stick around for What’s Up with Bruce Betts, our chief scientist, as we honor the Ingenuity Mars Helicopter and the Mars missions that made it possible.
Discover more at: https://www.planetary.org/planetary-radio/2024-20th-anniversary-spirit-and-opportunity
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Blazing a trail to the Moon
We're celebrating lunar missions and the space advocacy that helps make them happen this week on Planetary Radio. Casey Dreier and Jack Kiraly, chief of space policy and director of government relations at The Planetary Society, update you on our next Day of Action in Washington, D.C. Kate Howells, our public education specialist, shares the triumph and challenges of the Japanese space agency's SLIM lunar lander, as Japan becomes the fifth nation to make a successful soft landing on the Moon. We begin our coverage of the upcoming 2024 total solar eclipse in Mexico, the United States, and Canada on April 8th with Bethany Ehlmann, the president of our board of directors and the principal investigator of NASA's upcoming Lunar Trailblazer mission. She joins us for a mission update and a look at how eclipses affect spacecraft near the Earth and Moon. We'll top off this lunar celebration with Bruce Betts, our Chief Scientist and everyone's favorite master of random space facts, as he shares some history about an iconic Apollo image.
Discover more at: https://www.planetary.org/planetary-radio/2024-blazing-a-trail-to-the-moon
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What’s hidden inside planets?
Venture into the hearts of worlds and uncover how we study planetary interiors this week on Planetary Radio. Sabine Stanley, professor of planetary physics at Johns Hopkins University and author of the new book "What's Hidden Inside Planets?" discusses some of the amazing things that lie under the surfaces of the worlds in our Solar System. But first, Mat Kaplan, senior communications advisor at The Planetary Society, gives an update on the first Commercial Lunar Payload Services mission and the timeline for NASA's Artemis program. We close out this show with Bruce Betts, our chief scientist, as he shares information on our new book, "Casting Shadows: Solar and Lunar Eclipses with The Planetary Society."
Discover more at: https://www.planetary.org/planetary-radio/2024-whats -hidden-inside-planets
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JWST finds a new lead in the search for life on a mysterious exoplanet
This week on Planetary Radio, we're diving into one of the most remarkable new exoplanet discoveries with the help of the James Webb Space Telescope (JWST). JWST has detected signs of methane and carbon dioxide in the atmosphere of K2-18 b. This discovery could reshape our search for life beyond Earth and teach us more about the enigmatic class of exoplanets known as sub-Neptunes. Our guest, Knicole Colón, is the deputy project scientist for exoplanet science for JWST. She'll fill us in on all of the details. Stick around for What's Up with Bruce Betts, the chief scientist of The Planetary Society.
Discover more at: https://www.planetary.org/planetary-radio/2024-jwst-new-lead-in-search-for-life
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Space Policy Edition: India’s growing space ambitions
The history of India’s space program is, in many ways, the inverse of that of the US and Russia. While the two superpowers were outpacing each other in space spectaculars in their early decades, India — which began its space program around the same time in 1963 — prioritized practical programs by developing its own launch capability and launching satellites for weather, communications, and regional positioning systems. It is only in the 21st century that India began embracing the more symbolic feats of spaceflight, first with its launches of robotic spacecraft, including the Chandrayaan series and the Mars Orbiter Mission, and now by establishing its own human spaceflight program.
Buoyed by the success of Chandrayaan-3, as well as recognizing increasing competition with China, Prime Minister Narendra Modi announced ambitious plans for Indian space stations and lunar missions in the coming decades.
UK-based space writer Gurbir Singh, who literally wrote the book on the Indian space program, aptly titled The Indian Space Programme: India’s Incredible Journey from the Third World towards the First, joins the show to help us understand the history and motivations behind these achievements and India’s growing ambitions in space.
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Revisiting the discovery of phosphorus on Enceladus
This week on Planetary Radio, we are revisiting one of the biggest recent headlines in planetary science, the detection of Phosphorus in the oceans of Saturn’s moon Enceladus. Phosphorus is a key ingredient for life on Earth, and this discovery marks the first time it has been found in an ocean off of Earth. Chris Glein, a lead scientist at the Southwest Research Institute, joins us to discuss the discovery and its implications for the search for life. Then Bruce Betts returns for What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2024-revisiting-phosphorus-on-enceladus
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Looking back on 2023
Members of The Planetary Society staff revisit some of 2023's most exhilarating moments and groundbreaking discoveries in space this week on Planetary Radio. Kate Howells, Public Education Specialist, announces the winners of The Planetary Society's Best of 2023 awards. Jack Kiraly, Director of Government Relations, shares the strides made in space advocacy. Then Rae Paoletta, Director of Content and Engagement, and Mat Kaplan, Senior Communications advisor and former host of Planetary Radio, return to break down their favorite space moments of the year. Stick around until the end for What's Up with Bruce Betts, the Chief Scientist of The Planetary Society, as he looks forward to the next year of space science and exploration.
Discover more at: https://www.planetary.org/planetary-radio/2023-looking-back
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Dragonfly soars to final design phase
NASA's Dragonfly mission to Saturn's moon Titan has been authorized to proceed with work on final mission design and fabrication, known as Phase C. This week on Planetary Radio, we get an update on the mission's progress and new timeline. You'll hear from Bobby Braun, head of the Johns Hopkins Applied Physics Lab's Space Exploration Sector, Elizabeth (Zibi) Turtle, the principal investigator for Dragonfly, and Ken Hibbard, mission systems engineer for the spacecraft. If that doesn't convince you that Dragonfly is one of the most epic things humanity has attempted to date, stick around for What's Up with Bruce Betts as he shares even more reasons for us to explore Titan.
Discover more at: https://www.planetary.org/planetary-radio/2023-dragonfly-final-design-phase
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An astrogeologic experience with Kirby Runyon
Sometimes, when you want to learn more about other worlds, all you have to do is step out your door. Mat Kaplan, Planetary Radio's creator and former host, takes us on an adventure with planetary geologist Kirby Runyon as they tour New Mexico, U.S.'s varied geology and compare it to other worlds. They'll explore the dunes of White Sands National Park, the Mars-like geology of Kilbourne Hole, and the rocks in the Carrizozo Lava flow. Then Bruce Betts, the chief scientist of The Planetary Society, and host Sarah Al-Ahmed discuss the most otherworldly places they've been in this week's What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2023-astrogeologic-expedition
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The mystery of the largest marsquake ever recorded
What caused the largest marsquake ever recorded? Benjamin Fernando, a post-doctoral fellow from the University of Oxford, joins Planetary Radio this week to talk about the 4.7-magnitude marsquake recorded by NASA’s InSight Mars lander and the international effort it took to pinpoint the cause of the quake. Then Bruce Betts, the chief scientist of The Planetary Society, and host Sarah Al-Ahmed chat about their earthquake experiences and share a fresh Random Space Fact in this week's What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2023-largest-marsquake
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Space Policy Edition: Was the Space Shuttle a policy failure?
Was the Space Shuttle a successful program? In many ways, yes: it endured for 30 years, launched hundreds of astronauts into space, and built the International Space Station. But, according to the goals of lower costs, rapid reusability, and reliability NASA stated at its conception, the Space Shuttle program was a failure. In this new recurring feature on SPE, Jack and Casey read through a classic paper in space policy and discuss its arguments, its conclusions, and whether the paper stands up to this day.
Read along with us and suggest future episodes in our Planetary Society online member community.
Discover more at: https://www.planetary.org/planetary-radio/space-shuttle-policy-failure
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Lucy's first asteroid flyby reveals a surprise moon
On Nov. 1, 2023, NASA's Lucy spacecraft, which is on a mission to investigate Jupiter's Trojan asteroids, made its first flyby of asteroid Dinkinesh. Hal Levison and Simone Marchi, the mission's principal and deputy principal investigators, join Planetary Radio to discuss the asteroid rendezvous and the surprising discovery of Dinkinesh's moon. Stick around for What's Up with Bruce Betts, the chief scientist of The Planetary Society, as he digests the discovery.
Discover more at: https://www.planetary.org/planetary-radio/2023-lucys-first-asteroid-flyby
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Deep Sky: A JWST IMAX experience
Deep Sky, a newly released IMAX documentary, tells the emotional and hopeful story of the James Webb Space Telescope (JWST). Nathaniel Kahn, an Oscar-nominated filmmaker and the director of Deep Sky, joins Planetary Radio this week to discuss the film's decade-long creation process and the magic of JWST images on the big screen. Then Bruce Betts, the chief scientist of The Planetary Society, joins for What's Up and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2023-deep-sky
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NASA’s STEM program looks to the Moon
Steven Smith, an Education Specialist from NASA's Science, Technology, Engineering, and Mathematics (or STEM) Program, joins Planetary Radio to share some of the unique opportunities available for students in the lead-up to humanity's return to the Moon. Then Bruce Betts, the chief scientist of The Planetary Society, pops in for What's Up and a new random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2023-nasa-stem
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A City on Mars
Can we build permanent human settlements in space? It might be more complex than you think. Kelly and Zach Weinersmith join Planetary Radio this week to discuss their new book, "A City on Mars: Can We Settle Space, Should We Settle Space, and Have We Really Thought This Through?" Then Bruce Betts, the chief scientist of The Planetary Society, and host Sarah Al-Ahmed chat about some of the most significant challenges humanity might face as we build habitats beyond Earth.
Discover more at: https://www.planetary.org/planetary-radio/2023-a-city-on-mars
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Space Policy Edition: What went wrong with Mars Sample Return
NASA’s Mars Sample Return mission was supposed to be lean, fast, and focused — no extra science instruments, no dedicated communications systems, and launching in 2026. But the effort has foundered under its own complexity and mismanagement. MSR’s total cost is likely to double to $10 billion or more and not launch until 2030 at the earliest. This month’s guest, Orlando Figueroa, chaired an independent review board which recently evaluated this project and identified management failures, unexpected design complexities, and external events such as the war in Ukraine as contributing to MSR’s difficulties. We review the board’s conclusions and recommendations for how NASA can fix MSR’s problems and ensure a successful return of the samples already selected by the Perseverance rover. Discover more at: https://www.planetary.org/planetary-radio/spe-what-went-wrong-with-msr
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Psyche and Eclipse Company blast off
On October 13, 2023, NASA's Psyche mission's principal investigator, Lindy Elkins-Tanton, watched her team's spacecraft blast off on its voyage to explore a metallic asteroid. She joins Planetary Radio this week for an emotional retelling of that day. Then Jesse Tomlinson and Stephen Watkins from the Eclipse Company tell us about their partnership with The Planetary Society and the launch of their new eclipse map for the upcoming 2024 total solar eclipse in North America. Stick around for What's Up with Bruce Betts, the chief scientist of The Planetary Society, as we muse about the space moments that spark wonder.
Discover more at: https://www.planetary.org/planetary-radio/2023-psyche-and-eclipse-company
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Simulating Psyche: Modeling craters on a metallic world
NASA's Psyche mission launched on Oct. 13, 2023 on a journey to explore its namesake, the metallic asteroid Psyche. Simone Marchi, co-investigator for the Psyche mission, joins Planetary Radio to share the creative ways their mission team is working to understand cratering on metallic worlds, including everything from computer modeling to blasting metallic meteorites with projectiles. The Planetary Society's Public Education Specialist Kate Howells will discuss the Japanese Space Agency's newest moon mission, SLIM. Then, Bruce Betts, the chief scientist of The Planetary Society, will share his experiences with crater modeling and a fresh random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2023-craters-on-psyche
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InSight's revelation on Mars’ rotation
Data from the now-retired NASA InSight mission suggests that Mars' rotation is speeding up. The InSight RISE instrument's principal investigator, Sebastien Le Maistre, from the Royal Observatory of Belgium, joins Planetary Radio to get into the details. The Planetary Society's Digital Community Manager, Ambre Trujillo, shares her experience observing the October 14 annular solar eclipse and her adventure to the OSIRIS-REx sample return capsule opening at Johnson Space Center. Then, our Director of Government Relations, Jack Kiraly, shares the triumphs of The Planetary Society's in-person Day of Action. Stick around for What's Up with Bruce Betts, the chief scientist of The Planetary Society, as he shares an asteroid mission-themed random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2023-insight-mars-rotation
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Celebrating the OSIRIS-REx sample return
On September 24th, NASA's OSIRIS-REx spacecraft triumphantly delivered a sample from asteroid Bennu to Earth. Rae Paoletta, the Director of Content and Engagement at The Planetary Society, joins Planetary Radio to recount her firsthand experience of the sample's return in Utah. She introduces us to Mike Puzio, the young man who named asteroid Bennu, and his father, Larry Puzio. Then Danny Glavin, the co-investigator for OSIRIS-REx, shares the next steps for the asteroid samples and the spacecraft. Stick around for What's Up with Bruce Betts, the chief scientist of The Planetary Society, as we digest this huge moment in space history.
Discover more at: https://www.planetary.org/planetary-radio/2023-osiris-rex-sample-return
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2023 NASA Innovative Advanced Concepts Symposium: Part 2
Join Planetary Radio host Sarah Al-Ahmed for part two of her trip to the 2023 NASA Innovative Advanced Concepts (NIAC) Symposium in Houston, Texas. You'll hear from Mike LaPointe and John Nelson, the NIAC Program Executive and Deputy Program Executive along with Theresa Benyo (NASA Glenn Research Center), Lynn Rothschild (NASA Ames Research Center), and Javid Bayandor (State University of New York). Stick around for What's Up with Bruce Betts, the chief scientist of The Planetary Society, to learn more about his favorite science conferences.
Discover more at: https://www.planetary.org/planetary-radio/2023-niac-part-2
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2023 NASA Innovative Advanced Concepts Symposium: Part 1
Join Planetary Radio host Sarah Al-Ahmed on a trip to the 2023 NASA Innovative Advanced Concepts (NIAC) Symposium in Houston, Texas. In this jam-packed two-part series, you'll hear Sarah's interviews with the inspiring NIAC fellows who are thinking up the technologies that could change the future of space exploration. In this episode, you’ll hear from Congrui Grace Jin (University of Nebraska, Lincoln), Quinn Morley (Planet Enterprises), Ronald Polidan (Lunar Resources, Inc.), and Edward Balaban (NASA Ames Research Center). Stick around for What's Up with Bruce Betts, the chief scientist of The Planetary Society, for a discussion about the advances in space exploration during our lifetimes.
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Alone but not lonely with Louis Friedman
Louis Friedman, one of the three co-founders of The Planetary Society, joins Planetary Radio to discuss his new book, "Alone but Not Lonely: Exploring for Extraterrestrial Life." The book takes us on a realistic but hopeful reflection on the search for life, from habitable worlds to the technologies that might allow us to explore exoplanets without leaving our stellar backyard. Then stick around for What's Up with Bruce Betts, chief scientist of The Planetary Society, as we get his hot take on life in the universe.
Discover more at: https://www.planetary.org/planetary-radio/2023-alone-but-not-lonely
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Io and Voyager 2: Lost oceans and found signals
This week on Planetary Radio, we're traveling back in time to uncover the luminous infancy of Jupiter and its impact on its enigmatic moon, Io. Carver Bierson, a postdoctoral researcher at Arizona State University, tells the tale of how Jupiter's radiant beginnings might have turned Io from a water-rich moon into a world with lakes of lava. You'll also hear from two legendary figures of space exploration, Voyager project manager Suzanne Dodd and Voyager project scientist Linda Spilker, as they delve into the endeavor to reestablish contact with the iconic Voyager 2 spacecraft with our senior communications advisor, Mat Kaplan. And don't miss "What's Up" with our chief scientist, Bruce Betts, as he answers a question from our Planetary Society member community.
Discover more at: https://www.planetary.org/planetary-radio/2023-lost-oceans-and-found-signals
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Subsurface oceans: The hidden potential of Earth-like exoplanets
Lujendra Ojha, assistant professor at Rutgers University, joins Planetary Radio to discuss how subsurface liquid water on exoplanets orbiting red dwarf stars could increase the likelihood of finding habitable worlds beyond our Solar System. Then we check in with Bruce Betts, chief scientist of The Planetary Society, for What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2023-subsurface-oceans
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A new algorithm finds its first potentially hazardous asteroid
A next-generation asteroid discovery algorithm, HelioLinc3D, has successfully identified its first potentially hazardous asteroid. Mario Jurić and Ari Heinze from the University of Washington join Planetary Radio to discuss the upcoming Vera Rubin Observatory and how their team's new asteroid detection algorithm can help defend our world. The Planetary Society editorial director, Rae Paoletta, marks the successful landing of the Indian Space Research Organization's (ISRO's) Chandrayaan-3 mission on the Moon. Then Bruce Betts, the chief scientist of The Planetary Society, pops in for What's Up and a conversation about space dreams.
Discover more at: https://www.planetary.org/planetary-radio/2023-algorithm-potentially-hazardous-asteroid
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The slow evolution of Europa
Jupiter's moon Europa is one of the most exciting locations in our Solar System in the search for life, but a crust of ice guards the secrets of its potential subsurface ocean. This week, Kevin Trinh from Arizona State University joins Planetary Radio to discuss his research into Europa's formation history and the consequences for the moon's habitability. The Planetary Society's senior editor, Jason Davis, looks forward to the upcoming total solar eclipse in 2024. Then Bruce Betts joins in for What's Up and a cometary random space fact.
Discover more at: https://www.planetary.org/planetary-radio/2023-europa-slow-evolution
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JWST detects water vapor in a planet-forming disk
A team of researchers using the James Webb Space Telescope (or JWST) has made the first detection of water vapor in the inner region of the protoplanetary disc that is already forming worlds. Giulia Perotti and Thomas Henning from the Max Planck Institute for Astronomy in Germany join Planetary Radio to discuss their team's research on PDS 70 and what it can tell us about the formation of planets like Earth. The Planetary Society's most recent intern, Ariel Barreiro, reflects on her summer working with The Planetary Society, and Bruce Betts, our chief scientist, pops in for What's Up and a conversation about terminator zones.
Discover more at: https://www.planetary.org/planetary-radio/2023-water-vapor-in-a-planet-forming-disk
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Mars Life Explorer: The search for extant life on the red planet
Many missions are working to understand Mars' past habitability, but could there still be microbial life on the red planet today? This week on Planetary Radio, we discuss the proposed Mars Life Explorer mission with Amy Williams, assistant professor of geology at the University of Florida. Then Bruce Betts, the chief scientist of The Planetary Society, pops in for What's Up and a celebratory conversation about reestablishing contact with the beloved Voyager 2 spacecraft.
Discover more at: https://www.planetary.org/planetary-radio/2023-mars-life-explorer
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Space Policy Edition: Why lunar exploration must be of enduring national interest
Scott Pace, the prior executive secretary of the National Space Council, discusses why Artemis is of strategic value to U.S. national interests — and why the Moon is unique as a destination to drive global space exploration. Casey also discusses the latest congressional budgets news and what it means for NASA’s Mars Sample Return program. Note: the Space Policy Edition will go on hiatus for two months and return in November 2023.
Discover more at: https://www.planetary.org/planetary-radio/lunar-exploration-enduring-national-interest
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Subsurface granite on the Moon? The anatomy of a lunar hot spot
A decades-old lunar mystery gets an update in this week's Planetary Radio. Matt Siegler from the Planetary Science Institute shares his team's surprising findings about the granite formation that might lie beneath Compton-Belkovich, a thorium-rich hot spot on the far side of the Moon. Ambre Trujillo, Planetary Society Digital Community Manager, gives an update on the new member community app Space Trivia Contest, and Bruce Betts, chief scientist of The Planetary Society, shares What's Up in the night sky.
Discover more at: https://www.planetary.org/planetary-radio/2023-subsurface-granite-on-the-moon
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An essential ingredient for life in the oceans of Enceladus
Phosphorus, a key ingredient for life on Earth, has been detected in the ocean of Saturn's moon Enceladus. This discovery marks the first time phosphorus has been found in an ocean off of Earth. Chris Glein, a lead scientist at the Southwest Research Institute, joins Planetary Radio to talk about the discovery and its implications for the search for life. Then Bruce Betts shares what's up in the night sky this week.
Discover more at: https://www.planetary.org/planetary-radio/2023-phosphorus-in-enceladus
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Mars' Axial Tilt: A Key to Gully Formation
The gullies of Mars may appear similar to water-carved channels on Earth, but their formation is more complex than meets the eye. Caltech's Jay Dickson joins Planetary Radio to discuss the planet’s changing axial tilt and the consequences of Martian climate change. Then Bruce Betts shares the beautiful dance of planets in the upcoming night sky and the reflections of the oldest person to ever travel to space.
Discover more at: https://www.planetary.org/planetary-radio/2023-mars-gullies
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Comparing the rivers of Earth, Mars, and Titan
Get ready for a journey across the rivers of our Solar System in this week's Planetary Radio. Sam Birch, an assistant professor at Brown University, explores what we know about the alluvial rivers of Earth, Mars, and Saturn’s moon Titan. Stay tuned for the What's Up segment with Bruce Betts and the last question in our on-air space trivia contest.
Discover more at: https://www.planetary.org/planetary-radio/2023-rivers-of-earth-mars-and-titan
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Space Policy Edition: What’s Going on with: Congress, MSR, and ?
We check in on the congressional budget process for NASA, Mars Sample Return’s spiraling cost growth, and the impending end of the regulatory holiday for human commercial space launch companies. Jack Kiraly, director of government relations for The Planetary Society, joins host Casey Dreier to provide the latest insight and analysis on these issues. Discover more at: https://www.planetary.org/planetary-radio/summer-2023-congressional-status
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Humans to Mars by the 2030s? NASA Associate Administrators weigh in
It's going to take a lot of collaboration to get humans to Mars, but we're up for the challenge. This week on Planetary Radio, Mat Kaplan, senior communications adviser at The Planetary Society, takes us to the 2023 Humans to Mars Summit in Washington, D.C. We'll share his conversation with three NASA Associate Administrators, Nicola Fox, James Free, and James Reuter about the international, commercial, and robotic collaboration it will take to put the first humans on the Red Planet. Then Bruce Betts and Sarah Al-Ahmed share What's Up in the night sky and a chance to win a grab bag of prizes in one of our last space trivia contests.
Discover more at: https://www.planetary.org/planetary-radio/2023-humans-to-mars
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2Fast 2Curious: Finding the source of the fast solar wind
Some solar mysteries, like the origin of the fast solar wind, can only be solved by getting up close and personal with the Sun. James Drake from the University of Maryland joins Planetary Radio this week to talk about the latest results from NASA's Parker Solar Probe as it soars closer to our star than any spacecraft in history. We share what to look forward to in the night sky and a Parker Solar Probe-themed question in our space trivia contest.
Discover more at: https://www.planetary.org/planetary-radio/2023-fast-solar-wind
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The disappearing act of Saturn's young rings
Saturn's rings are so young that they may have formed when dinosaurs walked the Earth. Richard Durisen, a Professor Emeritus of Astronomy from Indiana University Bloomington, and Paul Estrada, a Research Scientist at NASA Ames Research Center, join Planetary Radio to discuss their research on the surprisingly recent formation of Saturn's rings and why they are disappearing over time. Then Bruce Betts and host Sarah Al-Ahmed share what's in the upcoming night sky and chat about creepy-crawly constellations. Discover more at: https://www.planetary.org/planetary-radio/2023-saturn-young-rings
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The oldest organic molecules in the known Universe
Justin Spilker and his colleagues at Texas A&M University have detected the oldest and most distant organic molecules in the known Universe using the James Webb Space Telescope. Justin joins Planetary Radio to talk about the discovery and what it means for our understanding of star formation in the early Universe. We also share what to spot in the night sky this week and pay homage to the first women in space in this week’s What’s Up.
Discover more at: https://www.planetary.org/planetary-radio/2023-oldest-organic-molecules
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Starstruck with Sarafina El-Badry Nance
Sarafina El-Badry Nance joins Planetary Radio to discuss her new book, Starstruck: A Memoir of Astrophysics and Finding Light in the Dark. We share a beautiful poem about exploration that will soon be on its way to Europa and let you know how you can put your name on the upcoming Europa Clipper mission. Then we check in with Bruce Betts for What's Up and an update on this week's night sky.
Discover more at: https://www.planetary.org/planetary-radio/2023-starstruck
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Space Policy Edition: The policy implications of active SETI
Would meeting an extraterrestrial civilization be good or bad for humanity? Astronomer Dr. Jacob Haqq Misra argues that knowing the outcome in advance is fundamentally impossible, which results in a range of policy implications. Should we camouflage Earth's technosignatures or pour money into perhaps the most transformative event in human history? Should we fear the dark or embrace the unknown?
Discover more at: https://www.planetary.org/planetary-radio/2023-spe-policy-implications-of-active-seti
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The Science You’ve Enabled
The Planetary Society has just announced the latest awards in its Science and Technology Enabled by the Public (STEP) Grant program. With regular host Sarah Al-Ahmed on vacation, Mat Kaplan returns to introduce the principal investigator for a project that will prepare us to grow food on the Moon and Mars. Another PI and his team plan to analyze extreme life in super salty lakes. Planetary Society Chief Scientist Bruce Betts heads the STEP Grant program. He’ll give us an overview, and a quick look at the satisfying success of the previous projects. Stick around as Mat joins Bruce for this week’s What’s Up. Discover more at: https://www.planetary.org/planetary-radio/2023-step-grant-principal-investigators
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Exoplanet enigma: Unpacking the discovery of a "forbidden" planet
This week on Planetary Radio, Shubham Kanodia, the lead on a paper about a so-called“forbidden planet,” TOI 5202 b, joins us to talk about this strange world and why it's upending our understanding of planetary formation. Then Bruce Betts and Sarah Al-Ahmed will team up for What's Up, a look back at this week in space history, and a preview of the upcoming night sky. Discover more at: https://www.planetary.org/planetary-radio/2023-forbidden-planet
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Inspiring the next generation through space education
In this week's episode of Planetary Radio, we're honoring the educators who inspire young, curious minds to explore the marvels of the Cosmos. We’ll speak with guests from The Planetary Academy, the Griffith Observatory School Program, and Mt. Wilson's STEM Education program, all of whom are paving the way for the next generation of space enthusiasts and explorers. Then we'll check in Bruce Betts for What's Up so you know what to watch for in the upcoming night sky.
Discover more at: https://www.planetary.org/planetary-radio/2023-inspiring-the-next-generation
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The case for saving VERITAS
NASA's VERITAS mission to Venus is currently on an indefinite hold. Darby Dyar, Deputy Principal Investigator for the mission, joins Planetary Radio to share the human story behind the spacecraft. She provides an insightful overview of the mission's background, its intended scientific contributions, and how listeners can help advocate for the mission. Then Bruce Betts guides us through upcoming night sky events and looks forward to asteroid Apophis' close flyby of Earth in 2029.
Discover more at: https://www.planetary.org/planetary-radio/2023-the-case-for-saving-veritas
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Space Policy Edition: SpaceX's Starship vs. the environment, with Eric Roesch
Prior to Starship's inaugural launch, environmental policy expert Eric Roesch was outspoken about the possibility of catastrophe. As the rocket launched, it kicked up massive clouds of dust and decimated its launchpad, scattering large chunks of concrete into delicate marine and coastal sanctuaries nearby. Eric blames both SpaceX and its regulatory body, the Federal Aviation Administration (FAA), for allowing the company to skirt responsibility in its environmental reporting and mitigating its impact on its surrounding wilderness. He joins the show to discuss the proper role of environmental regulations, why he believes the FAA was irresponsible in approving SpaceX's launch licenses, and how you can simultaneously protect the environment and local wildlife while still pursuing an ambitious path to space.
Discover more at: https://www.planetary.org/planetary-radio/space-policy-edition-spacexs-starship-vs-the-environment-with-eric-roesch
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Adventures at the 2023 Planetary Defense Conference
Planetary Radio creator Mat Kaplan shares a look behind the scenes at the 2023 Planetary Defense Conference in Vienna, Austria. You’ll hear exclusive interviews with planetary defense specialists from around the planet as they gather to push the boundaries of asteroid and comet deflection technologies. Stick around for What’s Up with Bruce Betts, an update on the night sky, and a look forward to the upcoming Eta Aquarid meteor shower.
Discover more at: https://www.planetary.org/planetary-radio/2023-planetary-defense-conference
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Juice mission liftoff: A new era of icy moon exploration begins
Join us as we celebrate the successful launch of the European Space Agency's Juice mission! Our special guest, project scientist Olivier Witasse, shares the thrilling details about the launch and the next steps for this groundbreaking mission to explore Jupiter’s icy moons. We'll also recap the inspiring events of last week's Planetary Society Digital Day of Action, where space enthusiasts and advocates united to make an impact on the future of space exploration. Don't miss our resident astronomer, Bruce Betts, as he guides us through the upcoming night sky in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2023-juice-mission-liftoff
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Under Alien Skies with Phil Plait
Phil Plait, the Bad Astronomer, joins Planetary Radio to discuss his new book, “Under Alien Skies: A Sightseer’s Guide to the Galaxy.” The book takes the reader on an imaginary journey to 10 spectacular locations in space and shares the strange and beautiful experience visitors would have if they could witness it for themselves. Stick around after the break for What’s Up with Bruce Betts and a chance to win a copy of “Under Alien Skies” in our space trivia contest.
Discover more at: https://www.planetary.org/planetary-radio/2023-under-alien-skies
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Yuri’s Night: For all SpaceKind
Join us as we delve into the heart of LA's 2023 Yuri's Night party, a celebration commemorating Yuri Gagarin's pioneering 1961 voyage into space. We'll bring you exclusive interviews and insights from a stellar lineup, including Star Trek cast members, NASA's Jet Propulsion Labs Director Laurie Leshin, and astronaut Jessica Watkins. Together, they'll celebrate the future of space exploration and what it means to be SpaceKind. Don’t miss our What’s Up segment for the latest stargazing opportunities and info on the upcoming rare hybrid eclipse on April 20th.
Discover more at: https://www.planetary.org/planetary-radio/2023-yuris-night
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Space Policy Edition: The motives behind NASA's billions — Jean Toal Eisen on how Congress funds the final frontier
For over a decade, Jean Toal Eisen drafted legislation directing billions of dollars to NASA as senior staff on the Senate Appropriations Committee. She joins the show to unveil the crucial roles played by committee staff like herself, how decisions and priorities are made behind closed doors, and the motivations and drivers of the people who control the fates of billions of dollars of taxpayer funding for the U.S. space program.
Discover more at: https://www.planetary.org/planetary-radio/how-congress-funds-the-final-frontier
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Two Years of Hope: Celebrating the Emirates Mars Mission
Join us as we celebrate the accomplishments of a truly inspiring space mission - the United Arab Emirates' Hope probe, which has spent two amazing years orbiting Mars! Our guest, Mohsen Al Awadhi, Director of the Space Missions Department at the UAE Space Agency, shares insights into the mission's journey and teases the next exciting chapter: observing Mars' mysterious moon, Deimos. We're also counting down to the launch of the European Space Agency's highly anticipated JUICE mission, set to explore the enigmatic moons of Jupiter. We update you on NASA's VERITAS mission to Venus and share how you can contribute to the campaign to save this crucial exploratory mission. We'll wrap up the episode with our favorite stargazer, Bruce Betts, who'll guide us through a sneak peek at the upcoming night sky in What's Up.
Discover more at: https://www.planetary.org/planetary-radio/2023-two-years-of-hope
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Volcanic Venus? New insights from vintage data
Is Venus hiding volcanic secrets beneath its shroud of clouds? Robbie Herrick and Scott Hensley, the minds behind a new paper on recent potential volcanic activity on Venus, join Planetary Radio to discuss their discovery and what it means for the future of Venusian exploration. Then we turn to the night sky with our resident stargazer, Bruce Betts, for What's Up and our space trivia contest.
Discover more at: https://www.planetary.org/planetary-radio/2023-volcanic-venus
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Getting psyched for Psyche
NASA’s Psyche mission to explore a metallic asteroid will launch later this year. Lindy Elkins-Tanton, the principal investigator for Psyche, joins Planetary Radio to share the mission’s status and look forward to the wonders that await when the spacecraft reaches its heavy metal target. We also keep you updated on exciting news from Venus, and let you know what to catch in the upcoming night sky in What’s Up.
Discover more at: https://www.planetary.org/planetary-radio/2023-getting-psyched-for-psyche
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Universal Harmonies: Sonifying images for science and accessibility
Kim Arcand from NASA’s Chandra X-ray Observatory joins Planetary Radio to share her team’s new album “Universal Harmonies.” It’s a beautiful collection of sonified observations taken by the space telescope that aims to make space images more accessible to people with low or no vision. The Planetary Society team celebrates the release of their new member community app and shares an update on the Boeing Starliner. Stick around for a chance to win a vinyl version of “Universal Harmonies” in this week’s space trivia contest.
Discover more at: https://www.planetary.org/planetary-radio/2023-universal-harmonies
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Looking back on Voyager’s 45th Anniversary
Planetary Radio’s creator Mat Kaplan guest hosts for this look back at the Jet Propulsion Lab’s celebration of the 45th anniversary of the Voyager mission. Stick around for his conversation with Ann Druyan, creative director for the Golden Record carried by the probes. Mat and Bruce Betts reunite for this week’s What’s Up and space trivia contest.
Discover more at: https://www.planetary.org/planetary-radio/2023-voyager-45th-anniversary
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Space Policy Edition: The Tricky Ethics of Space Settlement
Humanity is on the cusp of attempting permanent settlement on other worlds. But who gets to go? How will we govern ourselves or enforce laws off Earth? How can you have property rights, labor rights, or even individual rights when the very air you breathe is limited and potentially controlled by your employer? Dr. Erika Nesvold, astrophysicist and author of the new book “Off-Earth: Ethical Questions and Quandaries for Living in Outer Space” explores the ethical challenges facing our species as it dips its toe into living beyond our home planet.
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The Canadian Lunar Rover with Peter Visscher
In this week’s episode, Director of Canadensys West Peter Visscher fills us in on the upcoming Canadian lunar rover. Visscher has been working on the rover for years. Bruce Betts also returns to the show for another installment of What's Up. Discover more at: https://www.planetary.org/planetary-radio/2023-canadian-lunar-rover-peter-visscher
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Martian rock collecting: From meteorites to Mars Sample Return
Exciting updates to the plans to return samples from Mars to Earth are underway. Meenakshi Wadhwa, principal scientist for Mars Sample Return at NASA JPL, shares what we have learned from our studies of Martian meteorites and fills us in on the upcoming Mars Sample Return missions. Stick around for our review of the night sky and a look back at this week in space history in What’s Up with Bruce Betts.
Discover more at: https://www.planetary.org/planetary-radio/2023-martian-rock-collecting
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Are we alone? The search for alien technosignatures
A new volunteer science project to search for alien technosignatures has launched! Jean-Luc Margot and Megan Li from UCLA join us to share the exciting debut of their Planetary Society STEP Grant-funded SETI project on Zooniverse. Our public education specialist Kate Howells reflects on the tenth anniversary of the Chelyabinsk Meteor Event, and don’t miss your chance to win a comfy Planetary Society beanie in this week’s Space Trivia Contest. Discover more at: https://www.planetary.org/planetary-radio/2023-are-we-alone-seti
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More on Mars’ Watery History
Mars expert Tanya Harrison shares the details on some of the newest discoveries about Mars’ history, including the discovery of an impact crater thought to be linked to a megatsunami in Mars’ ancient ocean and the discovery of opals, a water-rich gem, in Gale Crater. Stick around for What’s Up as we let you know what to look for this week in the night sky. Discover more at: https://www.planetary.org/planetary-radio/2023-more-on-mars-watery-history
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Space Policy Edition: The White House's Matt Daniels on the U.S.'s New Cislunar Strategy
For the first time in history, the White House laid out a national policy for science and technology in the vast expanse of cislunar space. This policy is not just for NASA — it's an all-of-government approach to establish the infrastructure and capabilities to enable a multitude of national and private actors to reach for the Moon and its environs. Dr. Matt Daniels of the White House's Office of Science and Technology Policy chaired the group that defined this new strategy; he joins the show to discuss the strategy, its ambitions, and implications for the future of lunar exploration and development.
Discover more at: https://www.planetary.org/planetary-radio/us-new-cislunar-strategy
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JWST confirms its first exoplanet
The James Webb Space Telescope has confirmed the discovery of its first exoplanet. Jacob Lustig-Yaeger, one of the leads on the team that made the detection, joins us to discuss the details. We share info on the Juno mission to Jupiter's next flybys of Io, let you know how to spot the "green comet" visiting our part of the Solar System, and provide insights on the night sky in What's Up. Discover more at https://www.planetary.org/planetary-radio/2023-JWST-confirms-its-first-exoplanet
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Juno Journeys to Jupiter’s Moons
Dive into the latest discoveries about Jupiter’s moons Ganymede, Europa, and Io with Scott Bolton, the principal investigator for NASA’s Juno mission. We share analysis of the data collected by the spacecraft and look forward to upcoming exploratory missions to Jupiter’s moons from ESA and NASA. Stick around for this week’s What’s Up and our space trivia contest. Discover more: at https://www.planetary.org/planetary-radio/2023-juno-journeys-to-jupiters-moons
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Martian Mic Drop
Jason Achilles, a musician who partnered with NASA’s Jet Propulsion Laboratory to help put one of the first microphones on Mars, shares his journey and the joy of listening to the sounds of Mars. We also highlight an upcoming opportunity to view comet 2022 E3 (ZTF). Stick around for more on the night sky and our space trivia contest with What’s Up. Discover more at: https://www.planetary.org/planetary-radio/2023-Martian-mic-drop
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Celebrating NASA’s Artemis I mission to the Moon
Jeremy Graeber, the assistant launch director at Kennedy Space Center in Florida, joins us to recount his experience on the night of Artemis I’s historic launch. We celebrate the success of the mission and share a short segment about The Planetary Society’s new Space Life Goals list. Bruce Betts pops in to share more about this week in space history and what to keep an eye out for in the night sky in this week’s What’s Up. Discover more at: https://www.planetary.org/planetary-radio/2023-celebrating-artemis-1
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Space Policy Edition: JPL Director wants "every brain" to have the chance to work in space exploration
After the delay of the Psyche mission, an independent review board faulted management and workforce problems at NASA's Jet Propulsion Laboratory as one of the causes. This month we feature the JPL Director, Dr. Laurie Leshin, to discuss what the lab is doing in response to these critiques, how NASA can compete with the private sector for top talent, and why our society needs to improve the diversity of its workforce to ensure every brain possible can work in space exploration.
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Planetary Radio stories with Mat Kaplan
New host Sarah Al-Ahmed bids a fond farewell to Mat Kaplan, Planetary Radio’s former host, with a heartwarming compilation of messages from fans, followed by a special interview with Mat about his two decades as creator and producer of the show. Be sure to catch Sarah and Bruce Betts in this week’s What’s Up as they share a special gaming-themed trivia question. Discover more at https://www.planetary.org/planetary-radio/2023-stories-with-mat-kaplan
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Planetary Society All-Stars Review the Year in Space
It’s Mat Kaplan’s last episode as host of Planetary Radio. He has gathered several of his colleagues to celebrate an outstanding year across the Solar System and beyond. New host Sarah Al-Ahmed sticks around to join Bruce Betts and Mat for her first What’s Up appearance, including listeners’ suggestions for what Mat should take on next! Discover more at https://www.planetary.org/planetary-radio/2022-year-in-space-review
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Artemis 1 Orion capsule comes home, and the best of Planetary Radio
Host Mat Kaplan returned to Naval Base San Diego to greet the return of the Artemis 1 Orion spacecraft aboard the USS Portland. Stay with us for a collage of entertaining excerpts of 10 of the very best Planetary Radio episodes produced over the last two decades. Incoming host Sarah Al-Ahmed points to a new article about the JWST’s stunning infrared image of Neptune. Don’t miss Mat serenading Bruce Betts in this week’s What’s Up! Discover more at https://www.planetary.org/planetary-radio/2022-best-of-planetary-radio-orion-capsule-recovery
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One Last Blast: Author of ‘The Martian’ Andy Weir with JPL Chief Engineer Rob Manning
A rollicking conversation with two of the most entertaining, most creative Planetary Radio guests across our 20-year history about the role of creativity in space and life. Andy Weir’s “The Martian” and “Project Hail Mary” have been New York Times number one bestsellers. Rob Manning oversees all engineering operations at the Jet Propulsion Lab, and knows as much as any human being about how to land on the red planet. Sarah Al-Ahmed helps Mat Kaplan celebrate the success of Artemis 1, while Bruce Betts receives his 20th anniversary gift from Mat! Discover more at https://www.planetary.org/planetary-radio/2022-rob-manning-andy-weir
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Scientist and Hubble Repairman John Grunsfeld
John Grunsfeld didn’t just ride the Space Shuttle into orbit five times. He accumulated two-and-a-half days of spacewalk time as he worked on the Hubble Space Telescope. The former NASA associate administrator returns to Planetary Radio for a very personal conversation with Mat Kaplan. We’ll also attend a screening of the great new documentary, “Goodnight Oppy” about the Mars Exploration Rovers. Sarah Al-Ahmed celebrates the 50th anniversary of the last Apollo moon mission, and Bruce Betts continues that theme with the new space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-john-grunsfeld-goodnight-oppy
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Space Policy Edition: NASA's Economic Impact with Alex MacDonald and Joshua Drucker
NASA supports nearly 340,000 jobs spread throughout every state in the union, generates billions of dollars of tax revenue, and invests in critical high-tech, high-skilled workers. But how do we know this? A new report, prepared by a team at the University of Illinois Chicago and sponsored by NASA's Chief Economist, provides the sound economic analysis behind understanding the immense benefit of the U.S. space program. We dive into how this analysis is done, how to interpret the results, and why this information is critical for developing good space policy. Discover more here: https://www.planetary.org/planetary-radio/nasa-economic-impact-macdonald-drucker
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A Happy 20th Anniversary for Planetary Radio
Join our celebration with Planetary Society chief executive officer Bill Nye, Society co-founder Louis Friedman, and chief operating officer Jennifer Vaughn. Incoming Planetary Radio host Sarah Al-Ahmed calls our attention to several of the Society’s biggest accomplishments in 2022, and Bruce Betts shares not-so-random space facts about our public radio show and podcast. Discover more at https://www.planetary.org/planetary-radio/2022-planetary-radio-20th-anniversary
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Giving the University of Arizona Mirror Lab a spin
It has been on host Mat Kaplan’s bucket list for years. Join him for a tour of the cavernous Richard F. Caris Mirror Lab at the University of Arizona, where the mirrors for the Giant Magellan Telescope or GMT are being spun into reality. Want your own GMT? You might win a model kit when Bruce Betts delivers this week’s What’s Up space trivia quiz. Stumped by what to get that space nerd in your life? Check out The Planetary Society’s gift guide! Mat and Sarah Al-Ahmed share their favorite suggestions. Discover more at https://www.planetary.org/planetary-radio/2022-buell-jannuzi-ua-mirror-lab
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Voyager Mission Project Scientist Linda Spilker
She has been heard on Planetary Radio more than any other guest. Linda Spilker returns in her new role as the Voyager project scientist, following the legendary Ed Stone’s half-century in that job. Linda provides an update on the interstellar journey. The Planetary Society’s LightSail 2 may be only hours from the end of its very successful mission. LightSail Program Manager Bruce Betts makes a special up-front appearance to prepare us for this milestone. And incoming Planetary Radio host Sarah Al-Ahmed introduces The Planetary Academy, a terrific new opportunity for young explorers. Discover more at https://www.planetary.org/planetary-radio/2022-linda-spilker-voyager
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Space Policy Edition: What the Congressional Midterms Means for Space Science
Next year a new class of elected officials will enter Congress and usher in changes to the political focus and leadership of key space and science committees. Dr. Bethany Johns, the deputy director of Public Policy for the American Astronomical Society, joins the show to discuss how her organization is preparing for the change, what issues they intend to focus on, and how the scientific community can engage with members of both parties to ensure continued investment in U.S. scientific capability. Discover more here: https://www.planetary.org/planetary-radio/bethany-johns-midterms
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Ann Druyan wishes you a happy Sagan Day
November 9 would have been our co-founder Carl Sagan’s 88th birthday. His professional and life partner, Ann Druyan, returns with a love story — the love between two people that encompassed the Cosmos and had to be shared. Sarah Al-Ahmed will tell us about two missions to Venus. Sarah, too, was inspired by Dr. Sagan. The theme continues with Planetary Society Chief Scientist Bruce Betts in this week’s What’s Up segment. Discover more at https://www.planetary.org/planetary-radio/2022-ann-druyan-sagan-day
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Space Policy Edition Bonus: Q&A with Casey Dreier and Bill Nye
While we wait for the result of the upcoming U.S. midterm elections, enjoy this special bonus episode of Space Policy Edition featuring The Planetary Society's Chief Advocate and CEO answering dozens of space policy questions submitted by our members. These twice-annual policy briefings are moderated by Mat Kaplan, and are an exclusive benefit for Planetary Society members. Want to submit questions next time? Join us at planetary.org/join Our regular Space Policy Edition episode will be published next Friday, November 11, after the U.S. midterm elections.
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DART smacked an asteroid! So what’s next in planetary defense?
The success of the Double Asteroid Redirection Test was just one more step toward protecting our world from wayward asteroids and comets. NASA Planetary Defense Officer Lindley Johnson, and Kelly Fast, the agency’s near-Earth object observation program manager, return to our show for a discussion of where we go from here. Sarah Al-Ahmed will tell us about an article that locates the water on and under Mars, while Bruce Betts gets us ready to enjoy the upcoming total lunar eclipse. There’s more to discover at https://www.planetary.org/planetary-radio/2022-johnson-and-fast-pdco
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Meet the new Planetary Radio host! (and enjoy a beer with a cosmologist)
Join host Mat Kaplan as he proudly introduces the person who will take on the show he created 20 years ago. Then we’ll join astrophysicist Brian Keating at a joyful gathering of cosmologists who hope to reveal secrets of the Universe through the new Simons Observatory. You might win Brian’s new book about thinking like a Nobel Prize winner in the What’s Up space trivia contest. There’s more to discover at https://www.planetary.org/planetary-radio/2022-introducing-new-host
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Eyes on the Sky: Spacewatch and the Catalina Sky Survey
The University of Arizona in Tucson hosts two of the most successful asteroid searches on our planet. Together, they have discovered, tracked, and characterized tens of thousands of objects, many of which could pose a threat to Earth. Listen to back-to-back, in-person conversations with the leaders of both efforts. Then we’ll jump to the ever-watchful Bruce Betts for this week’s installment of What’s Up. There’s more to discover at https://www.planetary.org/planetary-radio/2022-spacewatch-and-catalina-sky-survey
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Innovate! NASA’s leading-edge fellows share their amazing projects
Mat Kaplan once again hosted the live webcast from the annual NASA Innovative Advanced Concepts or NIAC symposium. He presents a speed dating sample of highlights. How about a Mars habitat grown from mushrooms? A lunar farside radio telescope built by robots? Or a kilometer-long space station launched by a single rocket? We’ll also join Planetary Society chief scientist Bruce Betts for another What’s Up scan of the night sky and more. There’s more to discover at https://www.planetary.org/planetary-radio/2022-2022-niac-projects
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Space Policy Edition: The Geopolitics of a Successful SETI Detection
What would nation-states do in response to a signal from an alien intelligence? Would they compete for status and control of the message, or hope to gain some technological advantage from its contents? Or would the world shrug its shoulders and move on? Professor Jason Wright, Director of the Penn State Extraterrestrial Intelligence Center, joins the show to discuss a new paper proposing a more nuanced and positive view of world behavior given a potential SETI detection, and how the most likely message we receive may be more ambiguous than we imagine. Discover more here: https://www.planetary.org/planetary-radio/geopolitical-seti-jason-wright
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Grounded: The director of the SOFIA flying observatory looks back
The Stratospheric Observatory for Infrared Astronomy (SOFIA) made its last flight on Sept. 30, 2022. Astronomer Margaret Meixner was onboard as the huge telescope built into a 747 aircraft ended its observations of the universe. Margaret joined us earlier that day to celebrate the great successes of this unique instrument and its team. You may win a signed CD copy of “The Moons Symphony” in the new What’s Up space trivia contest! There’s more to discover at https://www.planetary.org/planetary-radio/2022-sofia-margaret-meixner
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Bull’s-eye! DART impacts Dimorphos, and we meet space image artist and processor Judy Schmidt
They did it! The Double Asteroid Redirection Test (DART) spacecraft scored a direct hit on Dimorphos. We’ve got the thrilling last moments before impact, followed by an exclusive, triumphant conversation with DART Coordination Lead Nancy Chabot. Then we’ll go from spectacular success to spectacular beauty as we meet extraordinary space image processor and artist Judy Schmidt. Bruce Betts salutes the DART mission with this week’s space trivia contest. There’s more to discover at https://www.planetary.org/planetary-radio/2022-chabot-dart-impact-report-and-judy-schmidt
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Countdown to DART: Will We Move an Asteroid?
We are less than a week from the DART spacecraft’s impact on asteroid moonlet Dimorphos as this episode is published. Mission Coordination Lead Nancy Chabot gives us a status update and a preview of what to expect during the September 26 encounter. Watching the smackdown from a few kilometers away will be LICIACube. Simone Pirrotta, program manager for the Italian Space Agency’s little cubesat, tells us about his high hopes. We’ll also visit NASA’s Jet Propulsion Lab to hear the exciting announcement of organics discovered and collected by the Perseverance rover on Mars. All this and a new What’s Up space trivia contest. There’s more to discover at https://www.planetary.org/planetary-radio/2022-dart-impact-preview-nancy-chabot
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It’s Not Just NASA: Space Agency Leaders at the Artemis 1 Launch Attempt
More than 100,000 came to the Kennedy Space Center hoping to see Artemis 1 head for the Moon on August 29. Among them were leaders of the European Space Agency (ESA), the German Aerospace Center (DLR), and the Italian Space Agency (ASI). They sat down with Mat Kaplan for conversations about the international collaboration behind the Artemis program, along with some of the other brilliant successes they have achieved. We also celebrate the 60th anniversary of President John F. Kennedy’s speech that set the United States on course for the Moon. There’s a JWST T-shirt waiting for the winner of the new What’s Up space trivia contest. And there’s more to discover at https://www.planetary.org/planetary-radio/2022-esa-dlr-asi-leaders
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Countdown to Artemis, The Return to the Moon
Come with us to NASA’s Kennedy Space Center for our special coverage of the first attempt to launch the giant Space Launch System rocket toward the Moon. You’ll hear astronaut Thomas Pesquet, “Everyday Astronaut” Tim Dodd, NASA Associate Administrator Thomas Zurbuchen, and much more. Then take your best shot at winning the Artemis 1 prize package in this week’s space trivia contest. There’s more to discover at https://www.planetary.org/planetary-radio/2022-artemis-1-launch-special-coverage
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Space Policy Edition: Mike Gold on Crafting the Artemis Accords
As we wait for the launch of Artemis 1, we explore the Artemis Accords: a shared set of principles for exploring space, signed now by more than twenty nations. The accords outline a set of peaceful behaviors and shared values, including the open sharing of scientific data, safe disposal of orbital debris, commitments to mutual aid, and practices for using space resources and preservation. Mike Gold, former Associate Administrator of Space Policy and Partnerships at NASA, helped draft these accords and joins the show to share why they're important, how they came together, and the immense practical benefit of having global norms in space. Casey and Mat also discuss the context and meaning of the Artemis 1 mission following their visit to Kennedy Space Center in Florida. Discover more here: https://www.planetary.org/planetary-radio/artemis-accords-mike-gold
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The Voyager Mission: A 45th Anniversary Celebration
Join us at the Jet Propulsion Lab for the celebration of the two Voyager spacecrafts’ 45-year journey across the solar system and beyond. Stick around for a stimulating conversation with Ann Druyan, creative director for the Golden Record carried by the probes. The Voyager theme continues in this week’s What’s Up space trivia contest. There’s more to discover at https://www.planetary.org/planetary-radio/2022-voyager-45th-anniversary-ann-druyan
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Pieces of Mars: How We’ll Get Them to Earth
We now know the rough outline of how NASA and the European Space Agency (ESA) expect to get the samples collected by Perseverance off Mars and into labs on Earth. Mars Sample Return Program Manager Richard Cook of JPL will take us through the intricate and audacious steps required. The plan now includes two Mars helicopters! Trickster Bruce Betts, chief scientist of The Planetary Society, provides the surprising answer for his latest space trivia question. Apollo 11 was not the first liftoff from another world! There’s more to discover at https://www.planetary.org/planetary-radio/2022-richard-cook-mars-sample-return
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A Venus Phosphine Scoop! The Return of Jane Greaves
Astronomer Jane Greaves and her worldwide team have had quite a ride. It has been two years since the Cardiff University professor announced evidence of phosphine in the atmosphere of Venus. Many scientists were and still are skeptical, but Jane is back with more data, including some that she shares with us first. She and Mat talk about what this could mean. Phosphine-belching Venusian penguins are very unlikely, but we want your artists’ concepts of them! That’s in addition to yet another space trivia contest from Bruce Betts. There’s more to discover at https://www.planetary.org/planetary-radio/2022-jane-greaves-more-venus-phosphine
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Comets Stink! The Chemical Zoo Found at Comet Chury
Scientists have used data collected by an exquisitely sensitive instrument on the European Space Agency’s Rosetta probe to find a stunning collection of complex organic molecules at the comet known as Chury. The findings are an important step toward understanding the origin of our solar system and life on Earth. Bruce Betts will continue the cometary commentary with this week’s Random Space Fact. There’s more to discover at https://www.planetary.org/planetary-radio/2022-hanni-altwegg-wampfler-chury
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Space Policy Edition: Lori Garver on Bringing Change to NASA
As NASA’s deputy administrator, Lori Garver fought to cancel the Constellation program and shift NASA to use commercial partnerships in spaceflight. She failed at the first but succeeded at the second. She joins the show to discuss the lessons she learned from her time at NASA, key strategies for bringing change to a reticent bureaucracy, and the ways in which NASA should serve the nation and the public. Discover more here: https://www.planetary.org/planetary-radio/lori-garver-bringing-change-to-nasa
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Citizen Science: Join the search for Martian clouds
NASA Jet Propulsion Lab scientists Armin Kleinboehl and Marek Slipski lead a new project that is recruiting thousands of citizen explorers. They explain to host Mat Kaplan how this massive effort may help us finally understand how the once plentiful Martian surface water disappeared. Then we look back to the dawn of science as Bruce Betts closes out our latest What’s Up space trivia contest. And there’s a meteor shower around the corner! There’s more to discover at https://www.planetary.org/planetary-radio/2022-cloudspotting-on-mars
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New Jet Propulsion Lab Director Laurie Leshin
She is only the tenth director of JPL, and the first woman to hold the position. It’s a homecoming for Laurie Leshin who got her PhD at Caltech, the operator of JPL on behalf of NASA. Laurie talks about her priorities for the lab, and how excited she is about the missions already underway and those to come. Planetary Society chief advocate Casey Dreier analyzes Russia’s announcement that it will withdraw from the International Space Station. Casey also shares his love of “Contact.” The classic science fiction film based on Carl Sagan’s novel has just celebrated its 25th anniversary. Bruce Betts will join us for another tour of the night sky and more in What’s Up. There’s more to discover at https://www.planetary.org/planetary-radio/2022-jpl-director-laurie-leshin
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Science from the Moon, and former NASA chief scientist Jim Green looks back
Host Mat Kaplan leads with a special announcement. Then we spend a fascinating hour with the former director of NASA’s Planetary Science division and retired chief scientist Jim Green, who reports on a recent workshop that explored the potential of radio telescopes on the Moon’s farside. He also shares anecdotes from his long history of space science and NASA service. There’s more to discover at https://www.planetary.org/planetary-radio/2022-james-green-lunar-science
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The JWST: An Awesome New Window on the Universe Opens Wide
Have you seen them? Five spectacular images have given us a taste of what’s ahead from the James Webb Space Telescope. Bill Nye will share his reactions after we hear excerpts from NASA’s image revealing event on July 12. We’ll then talk with astrophysicist Tom Greene of the NASA Ames Research Center. Tom has hundreds of hours on the new space telescope to examine planets circling other stars. Planetary Society Chief Scientist Bruce Betts will add his thoughts during What’s Up as he offers a space trivia question that ties the JWST to a long lost fast food hamburger. There’s more to discover at https://www.planetary.org/planetary-radio/2022-jwst-image-reveal-greene-nye
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A Hero of the New Space Age: Lori Garver and Escaping Gravity
No one deserves more credit for enabling the new era of commercial space development than former NASA deputy administrator Lori Garver. That includes the commercial crew program that brings astronauts to and from the International Space Station. Mat welcomes Lori back for a conversation about her excellent new memoir that tells the inside story of this achievement. You’ll get the chance to win “Escaping Gravity” in this week’s What’s Up space trivia contest. There’s more to discover at https://www.planetary.org/planetary-radio/2022-lori-garver-escaping-gravity-book
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Space Policy Edition: Pathfinder and the Birth of the Discovery Program
It’s the 25th anniversary of the Pathfinder Mars mission and Sojourner, the first rover on the Red Planet. Historian Michael Neufeld joins the show to put this path blazing mission in context as the start of NASA’s low-cost Discovery mission line. There have been 12 Discovery missions over the past 25 years, with two Venus missions now in development. Why did Discovery succeed when other attempts to reign in costs failed? What drove NASA’s readiness to experiment with new ways of building spacecraft? And how did an embarrassing loss for JPL push the lab to change its approach to planetary exploration? We’ll answer these and other questions as we explore the history of one of NASA’s most successful programs. Discover more here: https://www.planetary.org/planetary-radio/michael-neufeld-discovery-program
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Asteroid Day! Earth Plays Defense
We Earthlings are making progress toward defending our planet from near-Earth objects, which is reason enough for the annual Asteroid Day celebration. Co-founder Danica Remy tells us what to expect, while Detlef Koschny, acting head of the European Space Agency’s Planetary Defence Office, reviews ESA’s expanded efforts. Planetary Society chief scientist Bruce Betts oversees the Society’s deep involvement before he shows us the current night sky. There’s more to discover at https://www.planetary.org/planetary-radio/2022-danica-remy-detlef-koschny-planetary-defense
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Sail on! Bill Nye and others celebrate LightSail 2’s three years in space
The Planetary Society’s LightSail 2 rocketed into orbit three years ago. Society CEO Bill Nye, chief operating officer Jennifer Vaughn, and LightSail program manager Bruce Betts join Mat Kaplan for a look at the long road to this award-winning mission, the current status of the spacecraft, and what’s ahead. Society editorial director Rae Paoletta provides a sneak peek at the June Solstice edition of The Planetary Report, and digital community manager Sarah Al-Ahmed shares highlights of the just-completed meeting of the American Astronomical Society. Take your shot at winning Bruce’s new book about the solar system in this week’s What’s Up segment. There’s more to discover at https://www.planetary.org/planetary-radio/2022-lightsail-2-third-anniversary-nye-betts-vaughn
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Portrait of a Scientist: A Conversation with Psyche mission leader Lindy Elkins-Tanton
Lindy Elkins-Tanton’s wonderful new memoir is titled, “A Portrait of the Scientist as a Young Woman.” Host Mat Kaplan talks with Lindy about this sometimes harrowing, often heroic, and adventurous chronicle of her path toward leadership of the Psyche asteroid mission. This new conversation follows their brief encounter in a Jet Propulsion Lab clean room that we presented last May. Your chance to win Lindy’s book arrives in this week’s What’s Up segment with Bruce Betts. Discover more at https://www.planetary.org/planetary-radio/2022-lindy-elkins-tanton-portrait-of-the-scientist-book
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Planetary Radio at the Humans to Mars Summit
Join host Mat Kaplan in Washington D.C. for conversations with outstanding presenters at the first in-person Humans to Mars Summit in three years. You’ll hear from Inspiration 4 astronaut Sian Proctor, chief engineer for NASA’s robotic exploration program “Hoppy” Price, and the designer of award-winning Martian homes. NASA deputy administrator and former space shuttle commander Pam Melroy delivered a brilliant keynote. Then Bruce Betts tells us about the new STEP Grant opportunity from The Planetary Society. Hear and discover more at https://www.planetary.org/planetary-radio/2022-2022-humans-to-mars-summit
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Space Policy Edition: Inside the Planetary Science Decadal Survey Process with Bethany Ehlmann
Caltech planetary scientist and Planetary Society president Bethany Ehlmann was a key player in the creation of the recently released recommendations that may guide solar system exploration for years to come. SPE host Casey Dreier talks with her about the process and approach that led to this influential document. Discover more here: https://www.planetary.org/planetary-radio/bethany-ehlmann-decadal-survey
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Planetary Radio Live in London: The Moons Symphony
Host Mat Kaplan has returned from the UK and the recording of The Moons Symphony by the London Symphony Orchestra. You’ll hear excerpts from our Planetary Radio Live show celebrating this intersection of art and science with composer Amanda Lee Falkenberg and three distinguished planetary scientists. It was produced at Imperial College London before a live audience. Hear and discover more at https://www.planetary.org/planetary-radio/2022-planetary-radio-live-moons-symphony
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Cassini’s Dramatic End: A Planetary Radio Reprise
With Mat Kaplan in London for Planetary Radio Live, we bring back one of the most moving events in the history of our show. The Cassini orbiter plunged into Saturn in the early hours of September 15, 2017. Hundreds gathered to mark the end of this remarkable voyage, including former NASA chief scientists Jim Green, John Grunsfeld and Ellen Stofan. Mat talked with them and many others on that memorable morning. Then we’ll check in with Bruce Betts for a brand new What’s Up. Discover more at https://www.planetary.org/planetary-radio/2022-cassini-eom-reprise
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Life, the Universe and Britney Schmidt
Our in-depth, fascinating conversation with Cornell University professor Britney Schmidt touches on how we’ll recognize life when we find it elsewhere, her sub-ice exploring robotic submarine, why we need an even bigger space telescope, and the best place for ice cream at Cornell. Planetary Society chief scientist Bruce Betts goes Hollywood with this week’s space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-britney-schmidt
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Perseverance Perseveres: A Mars rover update from Ken Farley
Perseverance, the Mars 2020 rover, has begun an exciting new phase of its mission. Project scientist Ken Farley tells us why the ancient river delta it has entered is so enticing and intriguing. Ken also salutes Ingenuity, the Mars Helicopter, as we look forward to the day when samples of the Red Planet are sent to Earth. What role did the Wright brothers, those pioneers of powered flight, contribute to the Apollo and space shuttle programs? Bruce Betts has the answer in What’s Up. Discover more at https://www.planetary.org/planetary-radio/2022-ken-farley-perseverance
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Space Policy Edition: How Russia's Invasion of Ukraine Has Changed Space, with Mariel Borowitz
It's not just the ISS partnership — commercial satellites, international cooperation, and managing space debris may all be impacted by the war in Ukraine. Professor Mariel Borowitz, an expert in international space policy and space sustainability, joins the show to discuss the immediate consequences, potential policy changes, and lessons the global community is learning from the conflict. Discover more here: https://www.planetary.org/planetary-radio/mariel-borowitz-ukraine-invasion-space
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Heavy Metal: An encounter with the Psyche spacecraft
Psyche is a 279 kilometer-wide (173 mile-wide) hunk of metal in space. Psyche is also a magnificent spacecraft that will soon head toward its namesake in the asteroid belt. Host Mat Kaplan recently visited the JPL clean room where the probe was in final preparation for launch. You’ll hear conversations with mission leaders including principal investigator Lindy Elkins-Tanton and project manager Henry Stone. We’re fresh out of metal asteroids at The Planetary Society, but you might win the rubber variety in this week’s What’s Up space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-Psyche-mission-elkins-tanton
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The End of Astronauts?
Do we need to send humans into space? Won't robots soon be smart enough and capable enough to do this dangerous work for us? These and other questions are explored by Martin Rees, Britain's Astronomer Royal, and astrophysicist/science author Donald Goldsmith in their thought-provoking new book, "The End of Astronauts: Why Robots are the Future of Exploration." They present their arguments in this week’s show. Then we climb Mount Kaplan with Bruce Betts to learn who has won the weekly space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-goldsmith-rees-end-of-astronauts
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Yuri’s Night: Join the party!
Host Mat Kaplan joined the Los Angeles celebration of humanity becoming a spacefaring species. He talked with the Yuri’s Night founders and others under the Space Shuttle Endeavour. The much-anticipated Planetary Science and Astrobiology Decadal Survey was issued as we finished this week’s show. Planetary Society senior space policy adviser Casey Dreier will give us a brief overview of its recommendations. We’ll close with Bruce Betts and your chance to win a r-r-r-rubber asteroid in the space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-yuris-night
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Apollo 13 astronaut Fred Haise
“Never panic early” is both Fred Haise’s motto and the title of his new memoir. Join us for a wonderful hour of stories about the Moon mission that almost didn’t make it home, along with Fred’s memories of the early days of the space shuttle, the International Space Station and much more. You’ll also have the chance to win a copy of his book when Bruce Betts arrives for What’s Up. Discover more at https://www.planetary.org/planetary-radio/2022-fred-haise-never-panic-early
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Space Policy Edition: NASA's 2023 Budget Request
The Biden administration is proposing $26 billion for NASA next year, with significant increases benefiting the Artemis program, Mars Sample Return and Earth Science missions. But not everything is good news: NEO Surveyor and Mars Ice Mapper are both slated for significant cuts, and inflation may take a bite out of any increases NASA would receive on paper. With Congress facing elections in the fall, how likely is it that NASA will get this funding? What consequences will this have on Planetary Society priorities? And what does this mean for the future of exploration? Chief Advocate Casey Dreier and host Mat Kaplan are joined by The Planetary Society's Chief of D.C. Operations, Brendan Curry, to explore NASA's next big budget. Discover more here: https://www.planetary.org/planetary-radio/nasa-budget-request-brendan-curry
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Neptune Odyssey: why we need to visit an ice giant
Recommendations made in the 2023-2032 Planetary Science and Astrobiology Decadal Survey will be revealed on April 19. One of the 11 design studies commissioned for the survey explores a flagship mission to Neptune. The Neptune Odyssey project engineer is Brenda Clyde. Her colleague, Kirby Runyon, is the project scientist. They’ll take us inside this exciting concept and remind us of why an ice giant orbiter is long overdue. Even Bruce Betts and Mat Kaplan were surprised by the answer to this week’s space trivia contest. You’ll hear it and more in What’s Up. Hear and discover more at https://www.planetary.org/planetary-radio/2022-brenda-clyde-kirby-runyon-neptune-odyssey
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X-raying the universe with Martin Weisskopf
He helped invent X-ray astronomy more than 50 years ago. Martin Weisskopf still leads the field as project scientist for the spectacular Chandra X-ray Observatory and principal investigator for the brand new Imaging X-ray Polarimetry Explorer or IXPE. He’ll help us zero in on the most energetic and enigmatic objects in the cosmos. NASA’s fiscal year 2023 budget proposal has just been unveiled. Chief advocate Casey Dreier will break it down. We’ll close with the first words from the Moon in this week’s What’s Up. Discover more at https://www.planetary.org/planetary-radio/2022-martin-weisskopf-xipe-x-ray-astronomy
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Legendary Space Physics Pioneer Margaret Kivelson
At 93, Margaret Kivelson is still at the center of space science and policy. In this charming conversation she shares anecdotes about her early life, how she entered the new field of space physics and some of her groundbreaking work, including discovery of convincing evidence for a saltwater ocean under the ice on Jupiter’s moon Europa. Bruce and Mat offer another great prize from Chop Shop in this week’s What’s Up space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-margaret-kivelson
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Planetary Radio Special Edition: The Voyager Golden Record by Twenty Thousand Hertz
We are honored to offer you this outstanding episode of one of our favorite podcasts. Twenty Thousand Hertz reveals the stories behind the world's most recognizable and interesting sounds. Here they present the Voyager Golden Record carried by those beloved spacecraft that have departed our solar system on a journey to the stars. We hope you'll enjoy it as much as we have. We'll be back with a regular episode of Planetary Radio every Wednesday.
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Meet the first STEP Grant awardees
Citizen scientists will soon have another opportunity to become part of the search for extraterrestrial intelligence, and an innovative project will use a subtle effect of sunlight to learn about near-Earth objects. These are the projects funded in the first round of The Planetary Society’s Science and Technology Empowered by the Public (STEP) grant program. We’ll meet the awardees after Society chief scientist Bruce Betts provides an overview. Bruce returns for this week’s What’s Up and the space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-first-step-grant-awardees
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Water, water everywhere with Bethany Ehlmann
Planetary scientist Bethany Ehlmann has co-authored a paper presenting evidence that liquid surface water flowed on Mars as much as a billion years more recently than previously thought. That’s an extra billion years for possible life to have formed and thrived. We’ll also join Planetary Society editor Rae Paoletta as she explores water worlds throughout our solar system in a new article. Another great prize awaits the winner of the What’s Up space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-bethany-ehlmann-mars-water
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Space Policy Edition: Why are outer planets missions so expensive?
It's the 50th anniversary of Pioneer 10, the first spacecraft to the outer planets. Pioneers 10 and 11 were scrappy, low-cost endeavors that blazed the path for future exploration. But the future has been expensive: outer planets missions are some of the priciest planetary probes in history. Can we get back to a pioneering spirit and increase the frequency of outer planet exploration? To find out, we talk with Mark Wolverton, author of “The Depths of Space: The Story of the Pioneer Probes,” and Scott Bolton, principal investigator for Juno, the most affordable Jupiter mission in decades. Casey and Mat also discuss the dynamic and tragic situation in Ukraine, and its implications for space. Discover more here: https://www.planetary.org/planetary-radio/pioneer-10-and-11-bolton-wolverton
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5,000 worlds and counting: the success of TESS
Michelle Kunimoto was one of Forbes magazine’s 30 Under 30 in science. Now she leads the most successful search for exoplanets that relies on data delivered by the Transiting Exoplanet Survey Satellite or TESS. She shares this fast-growing catalog of worlds in her first Planetary Radio conversation. Bruce Betts and Mat Kaplan also kick off a new series of great prizes in the What’s Up space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-michelle-kunimoto-tess
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Astrobiologist David Grinspoon on life, the universe and everything
Astrobiologist, planetary scientist, author and science communicator David Grinspoon has just been named a lifetime fellow of the American Association for the Advancement of Science. He returns to Planetary Radio for a wide-ranging conversation about the state of our search for life across the solar system and beyond. We also learn what it was like to grow up in a home visited regularly by Carl Sagan and Isaac Asimov. Plus, get out your pencils and calculators! Bruce Betts delivers another cosmic arithmetic challenge in the space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-david-grinspoon
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Saving the world one telescope at a time: The Shoemaker NEO grant winne
The Planetary Society has awarded another eight Gene Shoemaker near-Earth object grants to outstanding amateur astronomers and observatories around the world. We’ll meet recipients from Chile, Croatia and the United States after chief scientist Bruce Betts tells us about the program. Bruce will then return with Mat Kaplan for yet another What’s Up tour of the sky and a new space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-shoemaker-neo-awards
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The weather on brown dwarfs, and worlds on the eve of destruction
Astrophysicists Sam Grunblatt and Johanna Vos are colleagues at the American Museum of Natural History in New York. Sam’s team has discovered giant worlds that are about to be devoured by their expanding stars, while Johanna has detected weather on brown dwarfs, those plentiful worlds that are bigger than planets but smaller than stars. Later, Bruce Betts takes the Olympics beyond the edge of our solar system with this week’s space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-grunblatt-vos-brown-dwarfs-giant-worlds-near-end
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Space Policy Edition: JWST and the politics of mega-science (with Robert Smith)
Robert Smith shares the story of how the astronomical community decided upon the JWST as the follow-up to the Hubble Space Telescope, the coalition politics required for mega-projects like Hubble and JWST, and how that dynamic shapes modern science. Dr. Smith holds a Ph.D. in the history and philosophy of science from the University of Cambridge. He is a professor at the University of Alberta. His book, The Space Telescope: A Study of NASA, Science, Technology, and Politics, was released in 1989. Discover more here: https://www.planetary.org/planetary-radio/robert-smith-jwst-big-science
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Nobel laureate John Mather: The promise of the James Webb Space Telescope
The JWST’s instruments have been turned on. Now begins the months-long preparation for observations that will reveal our universe as never before. 2006 Nobel Prize for Physics laureate John Mather is the senior project scientist for the new telescope. He shares his hope for what’s to come and a look back at how this mighty instrument came to be. He and Mat Kaplan also take a deep dive into the origin of the cosmos. Bruce Betts says early risers have a treat waiting for them in the predawn sky. Discover more at https://www.planetary.org/planetary-radio/2022-john-mather-jwst
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Worlds of snow and ice
From Venus to Pluto, our solar system contains a myriad of planets, moons and other bodies whose surfaces are covered in snow and ice made of water and other exotic stuff. Saturn’s moon Enceladus is among the most intriguing. Colin Meyer, Jacob Buffo and their associates have modeled its ice and the plumes that emanate from the moon’s south pole. These geysers may not originate in the ocean deep below. Planetary Society editor Rae Paoletta is also fascinated by the worlds with ice-like deposits and activity. Bruce Betts keeps us out there with a Titanic random space fact and a new space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-meyer-buffo-enceladus-plumes
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Curiosity rolls on: Mars Science Laboratory project scientist Ashwin Vasavada
We are approaching the 10th anniversary of Curiosity’s arrival in the Red Planet’s Gale crater. The rolling laboratory is still making profound discoveries as it reveals beautiful vistas and closeups. Project scientist Ashwin Vasavada shares some of the most significant finds in the last year. We’re deep into winter in the northern hemisphere, making Orion, Mat Kaplan’s favorite constellation, hard to miss in the night sky. Bruce Betts tells us there’s much more to see in this week’s What’s Up. Discover more at https://www.planetary.org/planetary-radio/2022-ashwin-vasavada-curiosity-update
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We have touched the Sun: The Parker Solar Probe’s triumph
The Parker Solar Probe dipped within the corona on its eighth encounter with our star. It found phenomena that have surprised and delighted heliophysicists, and it captured a movie that is one of the greatest space videos ever. We’ll talk about these and more with Nicola “Nicky” Fox, director of NASA’s Heliophysics Division, and Nour Raouafi, the mission’s project scientist. Get out your calculators! Winning the new space trivia contest will require some basic arithmetic. Discover more at https://www.planetary.org/planetary-radio/2022-fox-raouafi-parker-solar-probe
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Space Policy Edition: What We're Watching in 2022
New rockets, new legislation, and a new direction for planetary exploration are just some of the major events happening in space in the coming year. D.C. Operations Chief Brendan Curry returns to the show to explore these and other issues that will shape the next decade of space exploration and occupy The Planetary Society's advocacy and policy team in 2022. Discover more here: https://www.planetary.org/planetary-radio/2022-preview-curry-dreier
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Return to the Moon: Spacesuits and preparing for splashdown in the Pacific
NASA’s Artemis program aims to return humans to the Moon for the first time since 1972. We visit Naval Base San Diego to board the USS John P. Murtha, the ship that may recover the uncrewed Artemis 1 Orion capsule when it returns from the Moon this year. Next, Daniel Kopp of ILC Dover tells us about work underway to create the next moonsuit. Every Apollo moonwalker wore an ILC Dover spacesuit, as do most of the astronauts who go outside the International Space Station. What’s Up? That’s the question chief scientist Bruce Betts answers each week. Explore more at https://www.planetary.org/planetary-radio/2022-ilc-dover-moonsuit-navy-orion-recovery-exercise
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A good year for space: Planetary Society all-stars review 2021
Mat Kaplan and six Planetary Society colleagues review a year full of accomplishments, firsts and exciting discoveries. Society CEO Bill Nye opens the show with a celebration of the James Webb Space Telescope’s launch. Next is a round robin discussion with Jason Davis, Casey Dreier, Kate Howells, and Rae Paoletta. We close with Bruce Betts’ recap of the LightSail 2 mission right after he offers a new What’s Up space trivia contest. Explore more at https://www.planetary.org/planetary-radio/2021-year-in-review.
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Discovering Mars with Jim Bell and William Sheehan
Space historian William Sheehan and planetary scientist Jim Bell have written a fascinating history of humankind’s at least 5,000-year relationship with the Red Planet. “Discovering Mars” is filled with anecdotes about the people who have revealed Mars. The chronicle includes Mars helicopter Ingenuity’s flights and then looks to the future of exploration. Someone will win the book in Bruce Betts’ latest What’s Up space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2021-discovering-mars-book-bell-sheehan
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JWST is ready for launch and amazing science
The James Webb Space Telescope will begin its mission of discovery as soon as Dec. 24. René Doyon, Heidi Hammel and Mike McElwain join us for a conversation about what it may reveal from our solar system to the edge of the universe. Doyon is principal investigator for the telescope’s NIRISS imaging spectrograph, Hammel is vice president for science at the Association of University for Research in Astronomy (AURA) and McElwain of the Goddard Space Flight Center is the JWST Observatory project scientist. What do chief scientist Bruce Betts and a horse have in common? Find out in the What’s Up space trivia contest. There’s always more to explore at https://www.planetary.org/planetary-radio/2021-jwst-pre-launch-rene-doyon-heidi-hammel-mike-mcelwain
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A conversation with the director of “Don’t Look Up”
The plot of the great new movie “Don’t Look Up” is driven by a giant comet speeding toward Earth and the scientists who want to divert it. Adam McKay directed this dark comedy. He and real-life planetary defense expert Amy Mainzer talk with Mat Kaplan about the science, the scientists, and much more. Then a group of Planetary Society colleagues share their thoughts about the film. Fans of Dr. Seuss will find something special in this week’s What’s Up with Bruce Betts. There’s always more to explore at https://www.planetary.org/planetary-radio/2021-adam-mckay-amy-mainzer-dont-look-up
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Space Policy Edition: Astronomy Goes Big, with Heidi Hammel
The search for biosignatures on hundreds of exoplanets is the top goal for U.S. astronomers. That's the conclusion from the new, once-per-decade report from the National Academy of Sciences: Pathways to Discovery. In it, the field of astrophysics is analyzed and prioritized: establishing the major scientific questions, the tools to answer them, and how to best engage the human talent necessary to enable our continued investigation of the cosmos. Dr. Heidi Hammel, astronomer, Vice-President for Science at the Association of Universities for Research in Astronomy, and Vice President of The Planetary Society joins us to discuss the new results and what it means for the future of astronomy. Discover more here: https://www.planetary.org/planetary-radio/heidi-hammel-astrophysics-decadal
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Discovering life elsewhere: How can we be sure?
Is it life? NASA chief scientist Jim Green and Mary Voytek, leader of the agency’s astrobiology program, are two authors of a paper that calls for a system or scale that will allow scientists and others to evaluate the validity and importance of evidence that points to life elsewhere in the solar system or across the galaxy. Planetary Society communications strategy adviser Kate Howells shares our gift list for the space fan in your life, while Bruce Betts takes us across the night sky toward a new space trivia contest. There’s more to explore at https://www.planetary.org/planetary-radio/2021-jim-green-mary-voytek-astrobiology-scale
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Into the anthropocosmos with Ariel Ekblaw
Ariel Ekblaw and her Space Exploration Initiative colleagues believe we are at the cusp of interplanetary civilization. They are building the tools, environments and knowledge that will speed the transition and solve problems on Earth. Ariel has published Into the Anthropocosmos, a beautiful celebration of SEI’s fifth anniversary that presents many of its innovative projects. Someone will win a copy of the book in the new What’s Up space trivia contest. There’s more to explore at https://www.planetary.org/planetary-radio/2021-ariel-ekblaw-mit-space-exploration-initiative
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The DART asteroid impact mission begins, with Nancy Chabot
DART coordination lead Nancy Chabot and the rest of the Double Asteroid Redirection Test team will see their spacecraft rocket toward asteroids Didymos and Dimorphos in a few days. She returns to Planetary Radio with a preview of the mission and its difficult challenge. Planetary Society editor Rae Paoletta takes us on a brief tour of the solar system’s volcanoes, and a special guest joins Bruce Betts and Mat Kaplan for What’s Up. There’s more to explore at https://www.planetary.org/planetary-radio/2021-dart-launch-nancy-chabot
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Spacecraft communications and navigation with Badri Younes
Badri Younes says that a spacecraft that can’t communicate or find its way is worthless. He leads SCaN, NASA’s Space Communications and Navigation program, which manages resources like the agency’s Deep Space Network. SCaN is also preparing for a future that relies on optical communication and possibly even quantum computing. Younes takes us on an audio tour of SCaN’s work that extends beyond our solar system. There’s more to explore at https://www.planetary.org/planetary-radio/2021-badri-younes-nasa-scan
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Space Policy Edition: We're entering a new era of planetary defense (with Lindley Johnson)
The first in-space test of asteroid deflection technology, DART, launches this month. Lindley Johnson, NASA's planetary defense coordination officer, joins the show to talk about how this mission represents a new era for the agency's Planetary Defense program, and how it took nearly 25 years to convince policymakers, international partners, and even NASA that asteroid detection and deflection is an important use of taxpayer dollars. Casey and Mat also highlight the new Astrophysics decadal survey report and the federal ruling against Blue Origin in its effort to secure funding for its lunar lander. Discover more here: https://www.planetary.org/planetary-radio/lindley-johnson-dart-planetary-defense
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Sarah Al Amiri and the new UAE mission to the asteroid belt
The chair of the United Arab Emirates space agency returns with news of an ambitious mission to explore seven asteroids. Sarah also shares the latest science from the Emirates Mars Mission Hope orbiter. The Planetary Society’s Kate Howells invites you to vote for the best space images and more from 2021. And we’ve got two space trivia contest winners to announce in the new What’s Up with Bruce Betts. There’s more to explore at https://www.planetary.org/planetary-radio/2021-sarah-al-amiri-uae-asteroid-mission
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Sally Ride: Revisiting our 2005 conversation
Host Mat Kaplan has wanted to reshare his first conversation with the great Sally Ride for years. Sally talks about women in space, the loss of space shuttle Challenger, and her devotion to sharing the wonders of science with young girls through Sally Ride Science. Planetary Society editor Rae Paoletta takes us to Jupiter’s Great Red Spot. Is it shrinking? We also celebrate the return of the space trivia contest. There’s more to explore at https://www.planetary.org/planetary-radio/2021-2005-sally-ride-interview
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Amazing Technology at the NASA Innovative Advanced Concepts Symposium
Planetary Radio host Mat Kaplan interviewed NIAC Fellows about their revolutionary projects as part of the 2021 virtual symposium. You’ll hear highlights including how we might grow structures on the Moon and Mars from fungi, and solar sails that will pass excruciatingly close to the Sun before they zoom out of our solar system. We’ll also check in with Society chief scientist Bruce Betts for another What’s Up. Learn more at https://www.planetary.org/planetary-radio/2021-2021-niac-symposium
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Leaders of the Lucy asteroid mission
A delightful, exclusive conversation with principal investigator Hal Levison, deputy principal investigator Cathy Olkin and deputy project systems engineer Mike Sekerak on the eve of Lucy’s launch toward the asteroids that share Jupiter’s orbit. Don’t miss the cameo appearance by Ringo Starr! Bruce Betts offers another What’s Up space trivia contest with an extended deadline. Learn more at https://www.planetary.org/planetary-radio/2021-lucy-levison-olkin-sekerak
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Why didn’t Dawn land on dwarf planet Ceres?
It started with a question from a listener. The answer comes from Dawn mission chief engineer and mission director Marc Rayman. Marc also tells us about his new job as chief engineer for mission operations and science at NASA’s Jet Propulsion Laboratory, and shares his love of space exploration with Mat. LightSail 2 is still going strong! Program manager Bruce Betts opens this week’s What’s Up segment with a mission status report. Learn more at https://www.planetary.org/planetary-radio/2021-mark-rayman-dawn-ceres
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Space Policy Edition: NASA's Congressional Logjam
A polarized U.S. Congress is juggling nearly half a dozen pieces of major legislation, several of which face time-sensitive deadlines that, if missed, could create significant disruption for major NASA programs. Brendan Curry, The Planetary Society's Chief of D.C. Operations, reports on the view from inside the beltway, and helps us understand how the current logjam of legislation could impact or delay NASA policymaking. Casey and Mat address NASA's major reorganization of its human spaceflight program and how scuba is a cheaper alternative to space tourism. Discover more here: https://www.planetary.org/planetary-radio/brendan-curry-fall-dc-update
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Mars Beckons: The 2021 Humans to Mars Summit
Mars all-stars gathered online for September’s annual Humans to Mars summit produced by Explore Mars. Planetary Radio host Mat Kaplan moderated three intriguing panels with participants including leaders from space agencies throughout the world. Then we hear about the 19th century’s biggest telescope in this week’s What’s Up segment with Bruce Betts. Learn more at https://www.planetary.org/planetary-radio/2021-humans-to-mars-summit-excerpts
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The Wonderful: a new documentary about the International Space Station
Clare Lewins has created a film that takes us inside the lives of people who have lived and worked on the International Space Station. Cady Coleman is one of the featured astronauts in this beautiful, intimate and very affecting documentary. Planetary Society contributor Jatan Mehta tells us about South Korea’s plans for a lunar orbiter with an amazing camera. Bruce Betts returns with yet another space trivia contest and a quick tour of the night sky. Learn more at https://www.planetary.org/planetary-radio/the-wonderful-film-clare-lewins-cady-coleman
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The Case for a Return to Enceladus
Morgan Cable of NASA’s Jet Propulsion Laboratory is lead author of a paper that makes a compelling argument for a mission to Saturn’s small but dynamic moon Enceladus. She and her stellar co-authors believe it is among the best and easiest places in our solar system to look for evidence of life. Morgan has also been involved with the synthesis of organic crystals that could exist on Titan. What would they mean for possible biological activity on that big moon? Bruce Betts shares his excitement about the current night sky in What’s Up. https://www.planetary.org/planetary-radio/morgan-cable-enceladus-titan-co-crystals
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An ESCAPADE to Mars, on the cheap
NASA hopes to radically reduce the price tag for exploring Mars with a mission called ESCAPADE. Principal investigator Rob Lillis and his team will send two small probes to the Red Planet in 2024 for less than $80 million. They will work with orbiters already circling Mars to answer deep questions about the evolution of that world’s formerly thick atmosphere and the effects of solar radiation. Then we’ll check in with Planetary Society chief scientist Bruce Betts for another What’s Up. Discover more at https://www.planetary.org/planetary-radio/robert-lillis-escapade-mars
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Space Policy Edition: The cultural rituals of space advocacy, with Linda Billings
Communication is culture, says Dr. Linda Billings, an expert in social science and space outreach. So what culture is summed by the types of space advocacy that call for pioneering, colonization and conquest of nature? Linda talks about the importance of language and context when advocating for space, and how we should consider other cultural values and frameworks for effective public engagement. Discover more here: https://www.planetary.org/planetary-radio/linda-billings-space-advocacy-culture
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Liquid Water Under the Martian Polar Ice? Maybe Not
It was one of the most exciting planetary science announcements in 2018: Radar from an orbiting spacecraft might have found large pools of liquid water under the Martian south pole. But good science doesn’t end with first conclusions. Jeffrey Plaut and Isaac Smith are among the researchers who have found that a form of clay may better explain these reflections. We also talk with The Planetary Society’s Rae Paoletta about the Earth-like worlds found across our corner of the galaxy. Your chance to win the coveted Planetary Society rubber asteroid returns in this week’s What’s Up. Discover more at https://www.planetary.org/planetary-radio/jeffrey-plaut-isaac-smith-mars-polar-clay
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Europa Clipper Sails Toward Launch
Jupiter’s moon Europa hides a vast water ocean under a protective layer of ice. The Europa Clipper mission will send a powerful orbiter to investigate. Mission system manager L. Alberto (Al) Cangahuala tells us about the great strides made toward a planned 2024 launch and the challenges ahead. Bruce Betts faces one of the greatest challenges for any parent: getting a new college freshman installed in a distant university. Our chief scientist takes a break from the preparation to share the night sky and a new space trivia contest. Discover more at https://www.planetary.org/planetary-radio/al-cangahuala-europa-clipper-update
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Cassini, Voyager and beyond with Linda Spilker
Cassini project scientist Linda Spilker is back to describe how data from the Saturn mission that ended four years ago is behind new, trailblazing science. Linda has also rejoined the team behind NASA'S Voyager mission that is celebrating important anniversaries. She closes with convincing arguments for missions to Saturn’s moon Enceladus and the ice giants Uranus and Neptune. Bruce Betts gets on the Cassini train with this week’s space trivia contest. Discover more at https://www.planetary.org/planetary-radio/linda-spilker-cassini-voyager-outer-planets
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How Perseverance drives itself around Mars
NASA’s Perseverance is driving farther and faster than any previous Mars rover, thanks to its advanced AutoNav system. Vandi Verma, the mission’s chief engineer for robotics at NASA’s Jet Propulsion Laboratory, takes us inside the speedy, six-wheeled robot for a look at its marvelous mechanics and software. Vandi also describes the complex process of sample collection. There’s a high-flying surprise for Bruce Betts in the space trivia contest. Discover more at https://www.planetary.org/planetary-radio/vandi-verma-perseverance-autonav-sample-collection
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Space Policy Edition: Mars via the Nuclear Option
Can nuclear propulsion fundamentally transform our ability to send humans to Mars? Bhavya Lal, a policy and nuclear engineering expert now working at NASA, helped write a new report on the topic for the National Academies of Sciences. She joins the show to talk about the advantages of various types of nuclear propulsion, the engineering and policy challenges that face them, and the role of government versus the private sector in developing and deploying transformational technologies. Discover more here: https://www.planetary.org/planetary-radio/0804-2021-spe-bhavya-lal-nuclear-propulsion
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Alan Stern Says It’s Time for Suborbital Science
An experiment rode next to Richard Branson when he rocketed to the edge of space on Virgin Galactic’s SpaceShipTwo last month. Planetary scientist Alan Stern says we’ve begun a new era of affordable space research thanks to this vehicle and Blue Origin’s New Shepard. Alan also delivers an update on the New Horizons mission, including a new, definitive collection of everything we’ve learned about Pluto. Then it’s Olympic gold for Bruce Betts in our weekly What’s Up segment. Discover more at https://www.planetary.org/planetary-radio/alan-stern-suborbital-science-new-horizons-update
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Andy Chaikin on Apollo 15 and the lessons of Apollo
Apollo 17 commander Gene Cernan said of Andy Chaikin’s book A Man on the Moon, “I’ve been there. Chaikin took me back.” Andy returns to help us mark the 50th anniversary of Apollo 15 and the first use of the Lunar Rover. He also talks with Mat about what the Artemis generation should learn from Apollo, how astronauts have evolved, the challenge of putting humans on Mars, and much more. Bruce Betts picks up the Apollo 15 theme with this week in space history. Discover more at https://www.planetary.org/planetary-radio/andy-chaikin-apollo-15-and-more
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Amy Mainzer and a New Asteroid-Hunting Space Telescope
We may finally get the powerful telescope we’ve needed to find almost all of the near-Earth objects that are big enough to destroy a city. University of Arizona professor Amy Mainzer leads the NEO Surveyor project. She returns to Planetary Radio with the full story. Blue Origin’s Jeff Bezos and three colleagues rode a rocket that briefly put them in space. We’ll hear from Bezos and 82-year-old Wally Funk. The pilot and former astronaut candidate is now the oldest person to have reached space. Discover more at https://www.planetary.org/planetary-radio/amy-mainzer-neo-surveyor
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We’re Going Back to Venus
Sue Smrekar and Jim Garvin woke up in June to some of the best news a planetary scientist can receive. Their complementary missions to Venus had just been given the green light by NASA. The VERITAS and DAVINCI principal investigators return to Planetary Radio for a celebration of this announcement and a deep dive into their spacecraft and the mysteries of Earth’s broiling-hot sister world. Bruce Betts adds yet another Venusian mystery when he offers this week’s What’s Up space trivia contest. Discover more at https://www.planetary.org/planetary-radio/sue-smrekar-veritas-jim-garvin-davinci
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Visiting the James Webb Space Telescope
NASA’s James Webb Space Telescope is expected to be 100 times as powerful as its predecessor, the Hubble Space Telescope. We talk with three leaders of the effort to build, launch and deploy it as soon as November of this year. These conversations were recorded on the other side of a window facing the Northrop Grumman clean room in which technicians were putting the finishing touches on the observatory. Bruce Betts salutes Webb with a special What’s Up Random Space Fact. Discover more at https://www.planetary.org/planetary-radio/jwst-vila-ochs-robinson
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Space Policy Edition: The Pentagon's UFO Report, Featuring Sarah Scoles
The Pentagon finally released its hotly-anticipated briefing on Unidentified Aerial Phenomena. As expected, it provided little new information, saying only that there were a number of unexplainable observations. Sarah Scoles, author of the book They Are Already Here, that examines the culture and motivations behind ufology, joins the show to provide critical context. Why did it come about? What are the motivations of the people who pushed for its release? And how should we approach extraordinary claims with little information? Discover more here: https://www.planetary.org/planetary-radio/0702-2021-spe-sarah-scoles-pentagon-ufo-report
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Finding Life by Looking for Complexity
University of Glasgow chemist Lee Cronin and his collaborators have developed a new way to detect life. Their "assembly theory" could give us a reliable method for recognizing life or evidence of past life based on the complexity of molecules in any environment. The Planetary Society’s Rae Paoletta shares our favorite images of Saturn’s rings with Mat. Bruce Betts reveals which star takes up more of Earth’s night sky as he resolves another What’s Up space quiz. Discover more at https://www.planetary.org/planetary-radio/lee-cronin-assembly-theory
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The Pearly Clouds of Mars
Want to see wild colors on Mars? Look up! Planetary scientist Mark Lemmon studies planetary atmospheres at the Space Science Institute. He marvels at the images taken by Mastcam on the Curiosity rover of shimmering iridescent clouds high above the Martian surface. The Planetary Society’s Kate Howells looks back at the 1998 blockbuster movies that got a lot more people thinking about the near-Earth object threat. A few clouds won’t keep Bruce Betts from sharing his latest What’s Up look at the night sky. Discover more at https://www.planetary.org/planetary-radio/mark-lemmon-mars-clouds-and-dust
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Amateur Astronomers Saving the World
The Planetary Society has awarded more than 60 Shoemaker near-Earth object grants to astronomers around the world, enabling them to discover, track, and characterize thousands of asteroids. We’ll hear from two of these dedicated observers. The Society’s Rae Paoletta takes us to Venus where three new spacecraft will help answer big questions. Senior space policy adviser Casey Dreier helps us think about UFO claims. Chief scientist Bruce Betts offers a new What’s Up space trivia contest. Discover more at https://www.planetary.org/planetary-radio/shoemaker-neo-awardees-venus missions
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Experimental Cosmologist Brian Keating
How did the universe begin? Why do galaxies look the way the do? Can we see the vanishingly dim light of undiscovered worlds in the Kuiper Belt? These are some of the questions that drive Simons Observatory director Brian Keating. He also thinks deeply about the existential challenges faced by young scientists and how the Nobel Prize for Physics should be reformed. We’ll spend a fascinating hour with Brian after we visit his lab with fellow physicists James Benford and Paul Davies. Planetary Society chief scientist Bruce Betts joins us for an up-front What’s Up segment. Discover more at https://www.planetary.org/planetary-radio/brian-keating-simons-observatory-cosmology-nobel
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Space Policy Edition: NASA's 2022 Budget Request Says "Yes"
President Joe Biden's new budget proposal for NASA is very good, supporting nearly every major Planetary Society priority. It would fund science at record levels, maintain Artemis' 2024 lunar landing date, and make major investments in technology and education. Casey and Mat break down the details and discuss what's next for NASA as Congress takes up this request. They also explore the decision to fund two missions to Venus. Discover more here: https://www.planetary.org/planetary-radio/0604-2021-spe-venus-missions-biden-budget-request
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Mighty Jupiter Revealed
Scott Bolton leads the Juno mission that has been orbiting and revealing Jupiter for five years. NASA has granted an extension that will keep the spacecraft exploring till 2025. Scott shares some of the most exciting recent science, and closes with the surprising tale of his first encounter with planetary scientist and Planetary Society founder Carl Sagan. Planetary Society Chief Scientist Bruce Betts continues our Jovial theme and prepares us for an annular solar eclipse. Discover more at https://www.planetary.org/planetary-radio/scott-bolton-juno-update
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The New Great Space Observatories
The National Academies of Sciences, Engineering and Medicine will soon issue the Astro2020 Astronomy and Astrophysics Decadal Survey. It will rank four major proposals for exciting, expensive new space-based telescopes. Astrophysicist Grant Tremblay joins us to explain why all four competing instruments have been grouped as The New Great Observatories, hoping to repeat the marvelous success of a quartet of previous telescopes: Hubble, Spitzer, Chandra and Compton. Then we’ll join Bruce Betts on board the International Space Station for a space trivia contest about one of its commanders. Discover more at https://www.planetary.org/planetary-radio/grant-tremblay-new-great-observatories
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Ingenuity Mars Helicopter Project Manager MiMi Aung
The tiny Mars Helicopter Ingenuity has flown into our hearts. Project manager MiMi Aung and her team may have made it look easy, but Aung explains why it was anything but. Bruce Betts has tips for viewing the upcoming total lunar eclipse. Planetary Radio t-shirts are back as prizes in the space trivia contest! And we’ve got space headlines from The Downlink, our weekly newsletter. Discover more at https://www.planetary.org/planetary-radio/mimi-aung-ingenuity-update
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Defenders of Earth on Planetary Radio
The 2021 Planetary Defense Conference brought together the leading scientists, policymakers and other experts who are working to protect our planet from near-Earth objects (NEOs). The Planetary Society welcomed six of these heroes to a special virtual gathering in late April. You’ll hear their progress reports on this week’s show. One is our own Bruce Betts! He’ll stick around for a NEO-packed edition of What’s Up. Discover more at https://www.planetary.org/planetary-radio/2021-pdc-public-event
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Space Policy Edition: How Starship at the Moon Brings NASA Closer to Mars
In a surprise move, NASA chose SpaceX's Starship as the sole winner of its 3 billion-dollar human lunar lander development contract. Within days, Blue Origin and Dynetics filed official protests, forcing NASA to delay the award. Casey and Mat discuss how this selection, if it stands, is a smart move for a space agency that is serious about a true "Moon-to-Mars" program. Should we stop thinking about SpaceX as a scrappy startup and instead treat it as the world's leading aerospace company? Discover more here: https://www.planetary.org/planetary-radio/0507-2021-spe-bill-nelson-spacex-lunar-lander
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Author Andy Weir and Project Hail Mary
It is always such fun to welcome back Andy Weir. The author of The Martian and Artemis has just published his most entertaining and inventive novel yet. Project Hail Mary gives an unlikely protagonist the job of saving humanity. Andy also shares his thoughts about the Mars helicopter Ingenuity, his hopes for NASA, and his low opinion of “the goldilocks zone” for life. Someone will win the book in Bruce Betts’ space trivia contest. We also introduce new Planetary Society editor Rae Paoletta. She has written about the mysteries of lightning on Jupiter. Discover more at https://www.planetary.org/planetary-radio/andy-weir-project-hail-mary
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A Conversation with Kyoto Prize Recipient James Gunn
There is no Nobel prize for astronomy, so the Kyoto Prize for Astronomy and Astrophysics may be the highest international recognition an astronomer can receive. Princeton University professor of astronomy Jim Gunn is the most recent recipient. Jim recently joined Mat Kaplan for a deep conversation about the wonder and beauty of deep space, about the Sloan Digital Sky Survey that Jim co-created and led, and much more. Is there an asteroid with Mat Kaplan’s name on it? That question is at the heart of the new space trivia contest from Bruce Betts. Discover more at https://www.planetary.org/planetary-radio/james-gunn-sdss
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Is ‘Oumuamua a Piece of a Pluto-Like Planet? And Ingenuity’s First Flight on Mars
We begin with a thrilling recap of the successful first flight of NASA’s Ingenuity helicopter on Mars. Then we meet two researchers who have come up with a fascinating explanation for the first interstellar object discovered as it passed through our solar system. Rock out with Planetary Society chief scientist Bruce Betts as we discover the ‘80s band that made a hit out of the first Space Shuttle flight. Discover more at https://www.planetary.org/planetary-radio/steven-desch-alan-jackson-oumuamua
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The High Frontier: A New Documentary About Gerard K. O’Neill
Physicist and space pioneer Gerard K. O’Neil gathered a community of followers as he led planning for vast, magnificent human settlements in space. Guests Dylan Taylor, Will Henry and Ryan Stuit have produced an inspiring, feature-length tribute to O’Neill that stars space luminaries including Jeff Bezos, Frank White, Lori Garver, Rick Tumlinson, and many others. Then Bruce Betts and Mat Kaplan are joined by a special listener guest on What’s Up. Hear and discover more at https://www.planetary.org/planetary-radio/high-frontier-film-dylan-taylor
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The First Space Shuttle Pilot: Bob Crippen on the 40th Anniversary of STS-1
Pilot Bob Crippen and Commander John Young became the first astronauts to fly a Space Shuttle into orbit on April 12, 1981. Crippen tells host Mat Kaplan about that mission and shares many more stories from his adventurous life. Mat was standing on the dry lake bed in the California desert when STS-1 returned to Earth. Planetary Society senior space policy advisor Casey Dreier brings additional perspective to this anniversary, and it’s a space poetry festival when Bruce Betts arrives with this week’s What’s Up segment. There’s more to discover at https://www.planetary.org/planetary-radio/bob-crippen-40th-shuttle-anniversary
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Space Policy Edition: Biden Names His NASA Administrator
Bill Nelson, former Senator from Florida, congressional astronaut, and father of the Space Launch System, will likely be NASA's next administrator. Casey Dreier and Mat Kaplan also discuss The Planetary Society's global Day of Action, which saw hundreds of Society members meet with elected officials in Washington D.C., along with the news that the National Space Council will continue, and the 40th anniversary of the first Space Shuttle launch, with new budget data. Discover more here: https://www.planetary.org/planetary-radio/0402-2021-spe-day-of-action-bill-nelson-nomination
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NASA’s TESS Exoplanet Mission Finds Over 2,000 Possible New Worlds
The Transiting Exoplanet Survey Satellite (TESS) team has just announced more than 2,200 new exoplanet candidates. Natalia Guerrero of the Massachusetts Institute of Technology manages these discoveries and still finds time to write plays, collaborate on musical performances and host radio shows that dig into the deeper meaning of our expanding universe. The Venusian phosphine debate continues! Space journalist Nancy Atkinson provides an update. Bruce Betts returns to expand our knowledge of the night sky and present a new space trivia contest in What’s Up. There’s more to discover at https://www.planetary.org/planetary-radio/natalia-guerrero-tess-2200-exoplanet-candidates
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The Perseverance Rover and a Great First Month on Mars
Deputy project scientists Katie Stack Morgan and Ken Williford are living on Mars time and living for Mars. We get an update from them on the work of the Mars 2020 rover. Perseverance is already accomplishing terrific science after just 5 weeks on the Red Planet. Katie and Ken also tell us what’s ahead, including launch of Mars helicopter Ingenuity. Then it’s checkmate as Bruce Betts makes his next move across the night sky in What’s Up. There’s more to discover at https://www.planetary.org/planetary-radio/katie-morgan-ken-williford-perseverance-first-month
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Return From Ryugu: The Hayabusa2 Leader on His Mission’s Success
Hayabusa2 project manager Yuichi Tsuda and his team learned a lot from Hayabusa1, Japan’s troubled-though-successful mission that returned a sample from asteroid Itokawa. Now they are celebrating the recovery of a much larger sample from a different world: asteroid Ryugu. Dr. Tsuda joins Mat Kaplan for a fascinating, exclusive conversation about the mission’s 5-billion-kilometer journey and the great science to come. There’s more to discover at https://www.planetary.org/planetary-radio/yuichi-tsuda-hayabusa2
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InSight’s Mole: A Martian Science Odyssey
Troy Hudson and a brilliant international team created a device that would hammer its way below the surface of Mars. Mars had other ideas. The Jet Propulsion Lab engineer and scientist returns to tell us the heroic tale of the InSight lander’s Heat Flow and Physical Properties Package, also known as the mole. Stay with us for a tour of the current night sky and a new space trivia contest from Bruce Betts. There’s more to discover at https://www.planetary.org/planetary-radio/troy-hudson-insight-mole
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Space Policy Edition: SpaceX's Early, Desperate Days (with Eric Berger)
The SpaceX of today reuses rockets and launches people into space. But 15 years ago, the future of the company was in doubt as its Falcon 1 rocket repeatedly failed to reach orbit. Eric Berger, Senior Space Editor at Ars Technica, joins the show to discuss his new book, Liftoff, which chronicles these early, formative years of the company in which it nearly collapsed. Discover more here: https://www.planetary.org/planetary-radio/0305-2021-spe-eric-berger
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Spinoffs: How NASA Technologies Benefit Life on Earth
Cleaning up water pollution, inventing inexpensive ventilators for hospitals, turning waste plastic into sidewalks, and making baby formula more nutritious—these and thousands of other innovations have come directly from research and development for space exploration. NASA technology transfer program executive Daniel Lockney takes us on a tour of Spinoff 21, the agency’s fascinating new report. Bruce Betts reminds us that a spin past Venus is sometimes the best way to head to far more distant worlds. That’s the inspiration for this week’s What’s Up space trivia contest. There’s much more to hear and discover at https://www.planetary.org/planetary-radio/dan-lockney-nasa-spinoff-21
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Touchdown! The Sights and Sounds of Perseverance on Mars
The Mars 2020 rover is on Mars. We have collected the most thrilling moments from the landing and the revelations that followed, including the first sounds recorded on the Red Planet. Bill Nye congratulates the entire Perseverance team and explains why this audacious mission is so important. Then Bruce Betts and Mat Kaplan welcome special guests as they read the winners of the What’s Up Mars poetry contest. There’s more to discover at https://www.planetary.org/planetary-radio/perseverance-landing-highlights
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Planetfest ’21: To Mars and Back Again
The Planetary Society’s Planetfest ’21 celebrated Mars and the newest visitors to the Red Planet. Mat Kaplan shares some of his Planetfest conversation with Andy Weir, author of The Martian. We also sit down with the leader of the United Arab Emirates’ Hope mission that entered Mars orbit a few days ago. Planetary Society contributing editor Andrew Jones provides an update on China’s Tianwen-1 spacecraft that arrived within hours of Hope. We’ll also join preparations for the landing of NASA’s Mars 2020 rover Perseverance as we hear a media briefing from mission leaders. There’s more to discover at https://www.planetary.org/planetary-radio/planetfest-andy-weir-omran-sharaf-andrew-jones
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The Big Book of Mars: Our Obsession with the Red Planet
Mars has commanded our attention and stimulated our imaginations for millenia. Now, as 3 more spacecraft arrive, we talk with author Marc Hartzman about his new book that documents the fascination and fancy generated by the Red Planet. Planetary Society Chief Advocate Casey Dreier gives us a taste of the Society’s recommendations for the Biden administration regarding space exploration. Bruce Betts provides one more opportunity to win a Planetfest ’21 t-shirt! There’s more to discover, including a link to Planetfest ’21, at https://www.planetary.org/planetary-radio/marc-hartzman-big-book-of-mars
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Space Policy Edition: The Big Picture on U.S. Science Funding
Matt Hourihan is perhaps the world's most knowledgeable expert in how the U.S. government funds basic science and development activities. He joins the show to talk about the big picture of where the money goes, how the focus has changed over time, and the consequences of budget cuts to critical science investments. Discover more here: https://www.planetary.org/planetary-radio/0205-2021-spe-matt-hourihan
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A Cosmic Odyssey: Decades of Discovery at the Palomar Observatory
Astronomer Linda Schweizer spent countless hours interviewing the explorers who revolutionized astronomy through observations made at California’s Palomar Observatory. She tells their fascinating stories and shares their science in her new book Cosmic Odyssey: How Intrepid Astronomers at Palomar Observatory Changed our View of the Universe. Attention space poets! You might win a Planetfest ’21 t-shirt as Mat and Bruce invite your best efforts in the new What’s Up contest. Hey, it could be verse! There’s more to discover, including a link to Planetfest ’21, at https://www.planetary.org/planetary-radio/0203-2021-linda-schweizer-cosmic-odyssey
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‘Oumuamua: Avi Loeb says it may have been artificial
Could the first object shown to have originated outside our solar system be a light sail built by an alien civilization? That’s the very controversial hypothesis put forward by distinguished Harvard astrophysicist Avi Loeb in his new book Extraterrestrial. The book is about much more than ‘Oumuamua, and so is Avi’s conversation with Mat Kaplan. Bill Nye pays tribute to a fallen member of The Planetary Society’s space family, and the biggest coincidence in the history of Planetary Radio surfaces during What’s Up.There’s more to discover, including a link to Planetfest ’21, at https://www.planetary.org/planetary-radio/0127-2021-avi-loeb-extraterrestrial
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7 More Minutes of Terror: Perseverance Arrives at Mars
The 2020 Mars Rover will reach the Red Planet on February 18th after many months in the relative quiet of space. It will then undergo a true trial by fire as it descends to the surface. Jet Propulsion Lab systems engineer and his colleagues hope it will arrive as successfully as its sister Curiosity did in 2012. He tells host Mat Kaplan what to expect. Planetary Radio listeners prove once again that they are awesome as they go to amazing and unnecessary lengths (oops!) to answer the space trivia quiz. There’s more to discover at https://www.planetary.org/planetary-radio/0120-2021-gregory-villar-perseverance-edl
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Space Policy Edition: A Mob at the U.S. Capitol
This is not your normal episode of the Space Policy Edition, but these are not normal times. The centuries-old U.S. tradition of the peaceful transfer of power ended on 6 January 2021, as a pro-Trump mob stormed the U.S. Capitol building during the certification of the electoral college vote, leaving 5 dead. Hours later, more than one hundred members of Congress voted to object to the certified electoral results of Arizona and Pennsylvania. Jared Zambrano-Stout, former congressional staffer and chief of staff of the National Space Council, joins the show to help process these events. We’ll return to our usual space policy content in February. Discover more here: https://www.planetary.org/planetary-radio/0115-2021-spe-jared-zambrano-stout
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A Symphony for 7 Moons
Composer Amanda Lee Falkenberg has created The Moons Symphony. You’ll hear excerpts from each of its 7 movements. They are inspired by and evoke 7 of our solar system’s smaller, unique worlds. Joining Amanda are her advisors and friends, artist and International Space Station astronaut Nicole Stott and Cassini mission project scientist Linda Spilker. Bruce Betts arrives with a new space trivia question based on a visitor to one of these moons. There’s more to discover at https://www.planetary.org/planetary-radio/0113-2021-moons-symphony-falkenberg-spilker-stott
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Solar Cruiser: A Giant Sail Prepares for Space
It is many times larger than any previous solar sail, and it will pave the way for even bigger spacecraft propelled by light. Solar Cruiser principal investigator Les Johnson tells us about his latest project and looks to humanity crossing the gulfs of interstellar space. Stellaris: People of the Stars is a collection of science fact and fiction co-edited by Les. Mat and Bruce offer a copy in the new What’s Up space trivia contest. There’s more to discover at https://www.planetary.org/planetary-radio/0106-2021-les-johnson-solar-cruiser
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Planetary Society All-Stars Review 2020 Space Milestones
Chief Scientist Bruce Betts, Editorial Director Jason Davis, Chief Advocate and Senior Space Policy Advisor Casey Dreier, and Communications Strategy and Canadian Space Policy Advisor Kate Howells join host Mat Kaplan for our annual look back at the closing year’s accomplishments in space exploration. They also predict 2021’s biggest events on the final frontier. A very cool prize awaits the winner of the new What’s Up space trivia contest. There’s more to discover at https://www.planetary.org/planetary-radio/1230-2020-2020-review-betts-davis-dreier-howells
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Astronaut Stephanie Wilson Might Walk on the Moon
Engineer and astronaut Stephanie Wilson was a toddler when Neil Armstrong and Buzz Aldrin visited the Moon. She may someday almost literally walk in their footsteps. Stephanie is one of 18 astronauts--9 women and 9 men--chosen for the Artemis Team. We also welcome back Cassini-Huygens project scientist Linda Spilker for another update on the discoveries still being made thanks to that flagship mission. Linda also looks ahead toward more missions in the outer solar system. Did you catch the great conjunction? Mat and Bruce did, and they’ll talk about it in What’s Up. There’s more to discover at https://www.planetary.org/planetary-radio/1223-2020-stephanie-wilson-artemis-linda-spilker
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What Do You Need to Make Martian Oxygen? MOXIE!
Mike Hecht is in charge of the MOXIE experiment on NASA’s Perseverance rover, arriving on Mars in February. The tiny device will test our ability to turn the Red Planet’s plentiful carbon dioxide into oxygen. Someday a scaled-up version may make the oxidizer that will get astronauts back to Earth. Mike also helps lead the groundbreaking Event Horizon Telescope Collaboration that captured the first image of a black hole. Want to win a Planetary Society baseball cap? Your opportunity arrives with What’s Up. Discover more at https://www.planetary.org/planetary-radio/1216-2020-mike-hecht-moxie
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Welcoming a New Leader, and China on the Final Frontier
Carl Sagan was first in the job. Now it has been handed to Caltech planetary scientist Bethany Ehlmann. We’ll talk with the Planetary Society’s new president about her Moon mission and more. Society CEO Bill Nye and president emeritus Jim Bell also join in. Then we welcome back China space program expert Andrew Jones for an update on the nation’s lunar sample return effort and a survey of many other missions and developments. The new Planetary Society baseball cap will go with a great new book about the Apollo program to the winner of a new space trivia contest. Discover more at https://www.planetary.org/planetary-radio/1209-2020-ehlmann-transition-nye-bell-andrew-jones
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Space Policy Edition: Operation Moonglow and the Global Impact of Apollo
Apollo was seen as a triumph of, not for, all mankind, argues Dr. Teasel Muir-Harmony, author of the new book Operation Moonglow: A Political History of Apollo. She joins the show to talk about how this was not an accident, but the outcome of a carefully managed public relations campaign by the United States to promote its interests abroad. Discover more here. https://www.planetary.org/planetary-radio/1202-2020-spe-teasel-muir-harmony
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Observatory Director Francisco Córdova on the Devastating Loss of Arecibo
The 900-ton instrument platform suspended high above the giant Arecibo dish crashed downward in the early morning hours of December 1st. Host Mat Kaplan had recorded a conversation with the leader of the observatory just hours before the disaster. You’ll hear it here, along with a reflection on the magnificent radio telescope by Bill Nye, and further comments by Planetary Society Chief Scientist Bruce Betts. We’ve also got space headlines and a brand-new prize for a brand-new space trivia contest. Learn more at https://www.planetary.org/planetary-radio/1202-2020-francisco-cordova-loss-arecibo-observatory
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More Moon Water and an Update from Venus on Our 18th Anniversary!
We celebrate 18 years of Planetary Radio with two great features and 10 personal questions for host Mat Kaplan from Planetary Society Chief Scientist Bruce Betts. Astronomer Jane Greaves is back with an update on the phosphine gas detected above Venus. Then we find water right out under the Sun on our own Moon. Research leader Casey Honnibal tells us how her team found it using the SOFIA telescope on a 747. Learn more at https://www.planetary.org/planetary-radio/1125-2020-greaves-phosphine-honnibal-lunar-water
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Revealing Mars From Above, and Crew Dragon is Go!
Jeffrey Plaut and Richard Zurek are the project scientists for two of the most successful and long-lived Mars missions. Their orbiters, Mars Odyssey and the Mars Reconnaissance Orbiter, are still delivering great science, even after 19 years above the Red Planet for Odyssey. We’ve also condensed the first 29 hours of the first operational Crew Dragon mission into 98 thrilling seconds. You’ll get a chance to win The Spacefarer’s Handbook in this week’s What’s Up space trivia contest. Learn more at https://www.planetary.org/planetary-radio/1118-2020-crew-dragon-odyssey-mro
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Space Policy Edition: NASA's Post-Election Landscape
The United States' 2020 elections are over. What do the results mean for NASA in the years ahead? To help answer that question, we welcome back Brendan Curry, The Planetary Society's Chief of D.C. Operations. Join us as we review the changes in Congress and the White House that will impact the direction of the U.S. space program. Explore more here. https://www.planetary.org/planetary-radio/1002-2020-spe-brendan-curry-election-review
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A Rogue World Wanders as PlanetVac Heads for the Moon and Mars
In a jam-packed episode, we’ll talk to a discoverer of a distant, lonely planet that wanders the galaxy, and then turn to plans to send a radically-simple sample collection system to the Moon and Mars’ moon Phobos. Planetary Society CEO Bill Nye will add his congratulations for the PlanetVac team. We’ve also got a signed copy of Bill’s latest book for the winner of the new What’s Up space trivia contest. Learn more at https://www.planetary.org/planetary-radio/1111-2020-poleski-rogue-planet-zacny-planetvac
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A Return to Asteroid Mining, and Digging Into Space Ethics with Joel Sercel
At least two ambitious, smart asteroid mining companies have gone bust. Joel Sercel makes the case that his new effort comes at a much better time, and with a better approach. He’ll also share his audacious plan for mining water on the Moon, along with his concerns regarding humanity’s spread across the solar system. Can we avoid the mistakes made in past eras of exploration and expansion? You’ve got one more chance to win your own asteroid—a small, rubber one—in this week’s What’s Up space trivia contest. Learn more at https://www.planetary.org/planetary-radio/1104-2020-joel-sercel
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A Deep Dive into Asteroid Bennu With Dante Lauretta
We are joined by the leader of the OSIRIS-REx mission that sampled an asteroid last week. Dante reveals just how brilliantly successful the encounter was, and describes preparations for the journey back to Earth. Space journalist Nancy Atkinson tells us about Orbilander, a mission that would orbit and then descend to Saturn’s moon Enceladus in a search for life. Space headlines from The Downlink and our weekly visit with Chief Scientist Bruce Betts round out this week’s show. Explore more at https://www.planetary.org/planetary-radio/1028-2020-dante-lauretta-osiris-rex
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We Have Sampled an Asteroid! And the Search for Life Above Venus
OSIRIS-REx has done it! We have special coverage of the spacecraft’s successful collection of a sample from asteroid Bennu. Then we talk with Jane Greaves, leader of the team that found evidence of phosphine gas in the atmosphere of Venus. Has this put us on the road to discovery of life above that hellish world? Bruce Betts and Mat Kaplan offer a copy of Beyond Earth’s Edge: The Poetry of Spaceflight in the new space trivia contest. Learn more at https://www.planetary.org/planetary-radio/1021-2020-jane-greaves-venus-phosphine
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Beyond Earth’s Edge: A Celebrity Space Poetry Jam!
Beyond Earth’s Edge: The Poetry of Spaceflight is the new and outstanding collection of poems edited by Julie Swarstad Johnson and Christopher Cokinos. They’ll join us to hear poems in the collection read by Bill Nye, Robert Picardo, Sasha Sagan, astronauts, scientists and others. Bruce Betts looks away from the night sky long enough to pen his own poetic contribution. We’ve also got space headlines from The Downlink, and a new space trivia contest. Learn more at https://www.planetary.org/planetary-radio/1014-2020-poetry-johnson-cokinos
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Protectors of Earth! (and Other Worlds)
Protecting worlds like Earth and Mars from microscopic invaders carried by human and robot visitors was just one of the scores of topics covered at this year’s Humans to Mars summit. Mat Kaplan moderated a panel featuring planetary scientist and New Horizons mission principal investigator Alan Stern, NASA associate administrator Mike Gold, and NASA planetary protection officer Lisa Pratt. Planetary Society digital editor Jason Davis shares the fascinating 40-year timeline that can be found in the Society’s September equinox edition of The Planetary Report, and Mars shines bright in our What’s Up segment. Great links and more are at https://www.planetary.org/planetary-radio/1007-2020-h2m-planetary-protection-panel
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Space Policy Edition: Divining Biden's Space Policy with Jeff Foust
A month before the U.S. election Joe Biden's campaign has yet to state its goals for space and NASA. We asked Jeff Foust, one of the best space reporters in the business, to help us piece together a working model of a potential Biden Administration space policy. We comb through the available evidence, combining insights from Biden's history in the Senate, his 8 years as vice president, and current activities in the Democratic House of Representatives and party platform to create a prediction of what might be the same, and what might differ from the Trump Administration's approach to NASA. Explore more here. https://www.planetary.org/planetary-radio/1002-2020-spe-jeff-foust
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Exploring the Cosmos With Heidi Hammel and AURA
AURA, the Association of Universities for Research in Astronomy, is the organization that oversees operation of many of our world’s most powerful telescopes, including the Hubble Space Telescope. Veteran astronomer and planetary scientist Heidi Hammel is its Vice President for Science. Listen to her passionate argument for exploration by ground and space-based instruments and what they may tell us about ourselves. Only one cat has gone to space! You might win a tribute to that feline in the new What’s Up space trivia contest. Links and more are at https://www.planetary.org/planetary-radio/0930-2020-heidi-hammel-aura
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A Fond Farewell: Solar System Specialist Emily Lakdawalla
Emily Lakdawalla was on the very first episode of Planetary Radio, and has been heard on hundreds since then. The planetary evangelist returns for a conversation like no other. Planetary Society CEO Bill Nye shares his thoughts after we hear from Emily. Got Mars? Bruce Betts tells us it’s brighter than Jupiter in the evening sky. He’ll tell you where to look during What’s Up. Much more of Emily can be heard at https://www.planetary.org/planetary-radio/0923-2020-emily-lakdawalla-farewell-nye
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Have We Found Evidence of Life on Venus?
An international team has detected phosphine gas in the clouds above Venus. Naturally-produced phosphine on Earth is created by anaerobic bacteria. We’ll listen to portions of the media briefing at which this result was announced. Then we’ll get perspective on the find from the Planetary Society’s Casey Dreier. Astrophysicist and Venus atmosphere expert Javier Peralta will share his reaction and a big find of his own on our nearest planetary neighbor. Links and more are at https://www.planetary.org/planetary-radio/0916-2020-venus-phosphine-discovery-casey-dreier
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Space Policy Edition: The Moon-to-Mars Strategy, with Dr. Scott Pace
How spacefaring nations prioritize funding can be just as important, if not more so, than the capabilities of the commercial sector, says Dr. Mary Lynne Dittmar, President and CEO of the Coalition for Deep Space Exploration. She joins the show to talk how these complement each other, and why the SLS and Orion programs deserve support along with work by companies like SpaceX and Blue Origin. Mat and Casey also catch up on the dizzying amount of space news in July, including important progress on NASA’s budget from the U.S. House of Representatives. Explore more here. https://www.planetary.org/planetary-radio/0911-2020-spe-scott-pace
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A Planetary Mystery is Solved, and it’s Bill Nye’s Anniversary!
JPL’s Marc Rayman, former Dawn mission director, reveals the secrets of those bright spots on dwarf planet Ceres. First though we celebrate Bill Nye’s 10th anniversary as CEO of The Planetary Society. Chief Operating Officer Jennifer Vaughn is followed by the Science Guy himself. And there’s a Nye invention at the heart of this week’s What’s Up space trivia contest. Links and more are at https://www.planetary.org/planetary-radio/0909-2020-marc-rayman-ceres-bill-nye-jennifer-vaughn-10th-anniversary
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The Sirens of Mars Call to Us
Georgetown University planetary scientist Sarah Stewart Johnson has written a beautiful book that chronicles our long quest for life on the Red Planet. That search may finally be reaching a climax with the new Perseverance rover and the beginnings of sample return. A copy of The Sirens of Mars will go to the winner of yet another What’s Up space trivia contest. In a nice coincidence, Bruce Betts will tell us where to find a brilliantly bright Mars in the night sky. Links and more are at https://www.planetary.org/planetary-radio/0902-2020-sarah-stewart-johnson-sirens-of-mars
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Katie Mack and The End of Everything
Known as Astrokatie to her 370 thousand Twitter followers, astrophysicist and cosmologist Katie Mack has written a funny, fantastic guide to the end of the universe. The End of Everything (Astrophysically Speaking) explores five major scenarios for the big finish of the cosmos that scientists currently consider to be possible. We’ll award a copy of Katie’s book to the winner of this week’s What’s Up space trivia contest. Links and more are at https://www.planetary.org/planetary-radio/0826-2020-katie-mack-end-of-everything
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Make Room! Worlds May Crowd Some Habitable Zones
Newly-published research led by Stephen Kane finds room for as many as 6 habitable zone planets around some stars. Why then is Earth on its own? The UC Riverside planetary scientist and astrobiologist will explain. Host Mat Kaplan is not prepared in the least for the latest space trivia contest question posed by Planetary Society chief scientist Bruce Betts. Do you read The Downlink? The Planetary Society’s great newsletter includes space headlines we review. Links and more are at https://www.planetary.org/planetary-radio/0819-2020-stephen-kane-habitable-zone-worlds
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Another Ray Gun Heads for Mars. We Hear It Working.
First there was ChemCam on Mars rover Curiosity. Now, SuperCam is on its way to the Red Planet aboard Perseverance. We’ll talk with principal investigator Roger Wiens about the new and improved, laser-firing instrument that delivers rock spectra and other science from a distance. SuperCam’s microphone will finally let us listen to the Martian wind and more. Mastcam-Z is right next to SuperCam on the Perseverance mast. You’ve turned it into great acronyms that we’ll share in What’s Up. Links and more are at https://www.planetary.org/planetary-radio/0812-2020-roger-wiens-supercam-mars-microphone
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Space Policy Edition: Why the SLS is a National Asset, and Why That Matters
How spacefaring nations prioritize funding can be just as important, if not more so, than the capabilities of the commercial sector, says Dr. Mary Lynne Dittmar, President and CEO of the Coalition for Deep Space Exploration. She joins the show to talk how these complement each other, and why the SLS and Orion programs deserve support along with work by companies like SpaceX and Blue Origin. Mat and Casey also catch up on the dizzying amount of space news in July, including important progress on NASA’s budget from the U.S. House of Representatives. Learn more here.
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Crew Dragon Triumphant, and a Planetary Society Founder Remembers
Astronaut and former SpaceX director of space operations Garrett Reisman returns to help us celebrate and appreciate the just-completed first crewed mission by a Crew Dragon capsule. Then we settle in with Planetary Society Emeritus Executive Director Lou Friedman for great stories from his new memoir, Planetary Adventures: From Moscow to Mars. Chase Chief Scientist Bruce Betts down the rotating black hole and get ready for the Perseid meteor shower in this week’s What’s Up. Great links and more are at https://www.planetary.org/planetary-radio/0805-2020-reisman-crew-dragon-friedman-planetary-adventures
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Hope Leads the Way to Mars
An exclusive conversation with science lead Sarah Al Amiri and project director Omran Sharaf of the Emirates Mars Mission. Their Hope orbiter is now on its way to the red planet. NASA Associate Administrator Thomas Zurbuchen has praise for the Emirates mission and looks forward to the beginning of the Perseverance rover’s own journey. Are you as good as NASA at creating acronyms? Take your best shot in the new What’s Up contest, as Bruce Betts waves farewell to comet NEOWISE. Learn more at https://www.planetary.org/planetary-radio/0729-2020-amiri-sharaf-emm-hope
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A Mars Mission Begins, a Comet Exits, and the Future of Planetary Science
The United Arab Emirates Hope spacecraft has begun its journey to Mars. We’ll join a virtual launch party attended by mission leaders, NASA Administrator Jim Bridenstine, National Air and Space Museum director Ellen Stofan and others. Comet NEOWISE is still putting on a show! Learn more about it from NEOWISE principal investigator Amy Mainzer, NASA planetary defense officer Lindley Johnson and JPL scientist Emily Kramer. Our own Casey Dreier provides an overview of three far-sighted white papers submitted as part of the new planetary science decadal survey. Learn more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0722-2020-hope-mission-comet-neowise-white-papers.html
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3 Billion Years Ago: Was Mars Alive?
Perseverance, NASA’s 2020 rover, leaves for the Red Planet in just days. Deputy project scientist Ken Williford tells us how it will look for signs of past life where there was once a Martian lake. He’ll also take us through his Jet Propulsion Lab facility where scientists are learning how to recognize the evidence of long ago biology here on Earth. Comet NEOWISE is still lighting up the northern hemisphere sky. Bruce Betts knows where to find it. We’ve also got great new prizes for the space trivia contest. Learn more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0715-2020-ken-williford-perseverance.html
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To Pluto and Beyond with Alan Stern
It has been 5 years since the New Horizons probe revealed beautiful, surprising Pluto, and 18 months since it showed us the odd little body now known as Arrokoth. Principal Investigator Alan Stern shares the latest science, and tells us what the spacecraft is up to now as it races toward the edge of our solar system. Have you seen the new comet? Bruce Betts tells you where and how to look in this week’s What’s Up. Learn more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0708-2020-alan-stern-new-horizons.html
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Space Policy Edition: A Trillion-Dollar Space Economy?
Dr. Bhavya Lal joins the show to discuss the size of the space economy, where it's going, and how the term itself can mean many different things to many different people. In a world filled with breathless claims about trillion-dollar economies, we dive down into the fundamental assumptions about space commerce, its potential for growth, and the pitfalls of motivated thinking in the hyper-optimistic space community. Learn more about this month’s topics through links on the show page. https://www.planetary.org/multimedia/planetary-radio/show/2020/space-policy-edition-51.html
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Jim Bell Sends New Eyes to Mars
Mastcam-Z is the main camera system that will soon leave for Mars as part of the Perseverance rover. Mastcam-Z Principal Investigator Jim Bell is back to tell us about what the most powerful set of eyes to reach the surface of the Red Planet may show us. Planetary Society Solar System Specialist Emily Lakdawalla explores four sample return missions headed out across our solar system. The Antikythera Mechanism, an ancient Greek computing device, anchors this week’s What’s Up segment with Bruce Betts. And someone will win one of Jim Bell’s books in the new space trivia contest. Learn more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0701-2020-jim-bell-mastcam-z.html
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China on the Final Frontier
Low Earth orbit, the Moon, Mars, even Neptune and the edge of the solar system--China’s ambitious plans for space exploration and development are laid out by Planetary Society contributing editor and Chinese space program expert Andrew Jones. Jason Davis provides a brief overview of what’s in the June Solstice edition of The Planetary Report, now available for free. And it’s time to give away ice cream on What’s Up! Learn more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0624-2020-andrew-jones-china-space-program.html
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LightSail 2: A Year of Solar Sailing
The LightSail 2 team and 50,000 supporters around the world will celebrate the little spacecraft’s first anniversary on orbit in a few days. Planetary Society Chief Operating Officer Jennifer Vaughn remembers the long road to this accomplishment. LightSail Program Manager Bruce Betts and LightSail Project Manager Dave Spencer tell us what we’ve learned over the last year and look to the future of solar sailing. Dave also reveals his exciting new job at the Jet Propulsion Lab. Learn more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0617-2020-light-sail-2-betts-spencer-vaughn.html
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Staying Alive in Space
Keeping humans alive and well in space is hard enough. How will this be accomplished on a 3-year journey to Mars and back? Paragon President and CEO Grant Anderson shares the great progress we’ve made and the remaining challenges. Astronauts headed for the Red Planet may not need ice cream to stay alive, but will life be worth living without it? You may win a pint of Ben & Jerry’s moooony new flavor and a Netflix Space Force spoon to eat it with in this week’s space trivia contest. Learn more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0610-2020-grant-anderson-life-support.html
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Space Policy Edition: NASA’s Gamble Pays Off
SpaceX's Crew Dragon safely carried 2 astronauts to the ISS, nearly a decade after NASA made a huge bet on commercial partnerships to solve a problem of access to the space station. Casey and Mat explore how NASA gained the political will to fundamentally re-imagine its relationship with the private sector. Will it spur a new market for sending humans into space? Chief of D.C. Operations Brendan Curry offers an update on Congress and the outlook for NASA's major programs in a period of unrest and uncertainty. Learn more about this month’s topics through links at https://www.planetary.org/multimedia/planetary-radio/show/2020/space-policy-edition-50.html
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Crew Dragon Thrills While Mars Chills
This episode opens with a special message about The Planetary Society’s response to recent news, followed by a period of silence that marks the unjust loss of George Floyd and other black men and women. In our regular coverage, we celebrate the successful launch and arrival of the Crew Dragon spacecraft at the International Space Station. Then it’s off to Mars with planetary scientist Edgard Rivera-Valentin. Learn more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0603-2020-edgard-rivera-valentin-mars-brines-crew-dragon.html
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Celebrating 30 Years of Hubble with Astronaut John Grunsfeld
Former astronaut and NASA Associate Administrator John Grunsfeld is often called the Hubble Repairman. He made three space shuttle trips to the space telescope to repair and upgrade it. Now he looks back over three decades of science, beautiful images, and inspiration delivered by the HST. Rubber asteroids are back, and you might win one in the new What’s Up space trivia contest. Great links, including to Mat Kaplan’s live interview with John Grunsfeld, are at https://www.planetary.org/multimedia/planetary-radio/show/2020/0527-2020-john-grunsfeld-hubble-30th.html
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Crew Dragon Deep Dive with Astronaut Garrett Reisman
Engineer and former astronaut Garrett Reisman spent four months on the International Space Station before moving to SpaceX. Ten years of work at the company are about to climax when a Crew Dragon capsule carries astronauts Bob Behnken and Doug Hurley to the ISS. Garrett shares his excitement and inside knowledge about the mission and the groundbreaking spacecraft. We’ve also got headlines from The Downlink, and a night sky update as part of this week’s What’s Up. Great links, including the Crew Dragon ISS manual approach simulation app, are at https://www.planetary.org/multimedia/planetary-radio/show/2020/0513-2020-garrett-reisman-crew-dragon.html
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Looking for Life in Alien Oceans
Jet Propulsion Lab astrobiologist Kevin Hand has just written Alien Oceans: The Search for Life in the Depths of Space. Kevin and Mat explore these seas and whether they may have nurtured organisms with no connection to life on Earth. You may win a copy of Kevin’s excellent book in this week’s What’s Up space trivia contest with Bruce Betts. Take an even deeper dive at https://www.planetary.org/multimedia/planetary-radio/show/2020/0513-2020-kevin-hand-alien-oceans.html
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The Crew Dragon Countdown Begins, With Former NASA Deputy Administrator Lori Garver
Lori Garver may have been the strongest advocate of commercial space development in her days at NASA. Now one of that program’s greatest goals is about to achieved with the flight of American astronauts to the International Space Station in a Crew Dragon spaceship. The Planetary Society’s Jason Davis previews what to expect from the SpaceX Demo-2 mission. Also, headlines from The Downlink, and Venus shining bright in What’s Up with Bruce Betts. Learn more about Lori Garver and the Crew Dragon mission at https://www.planetary.org/multimedia/planetary-radio/show/2020/0506-2020-lori-garver-dm2-commercial-space.html
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Space Policy Edition: Our Moral Obligation to Explore Space
Are we morally obligated to pursue space exploration? What ethical considerations should we consider when creating space policy? Philosopher James Schwartz joins the show to address these questions and talk about his new book, The Value of Science in Space Exploration. Learn more about this month’s topics through links on the show page. https://www.planetary.org/multimedia/planetary-radio/show/2020/space-policy-edition-49.html
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Life on Mars: Joining the Quest with Penny Boston and Jim Green
Mat Kaplan recently hosted the first of a series of Explore Mars live and interactive events. NASA astrobiologist Penelope Boston and NASA Chief Scientist James Green joined him for a thrilling conversation about the search for life on the Red Planet, and what may happen if or when we find it. The comet may be a bust, but Bruce Betts tells us there’s still plenty to see in the current night sky. Mat and Bruce also talk about the first ever What’s Up Live! See the live Mars discussion and explore our other topics at https://www.planetary.org/multimedia/planetary-radio/show/2020/0429-2020-life-on-mars-penny-boston-jim-green.html
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The Royal Astronomical Society at 200
“The object of THE ROYAL ASTRONOMICAL SOCIETY shall be the encouragement and promotion of Astronomy, Solar-System Sciences, Geophysics and closely related branches of science.” That’s what you’ll find on the website of the RAS. Its mission has changed little in the two centuries since it was founded by some of Britain’s leading scientific minds. Don’t miss the UK Poet Laureate’s poem in honor of the RAS at the end of this week’s episode. We also offer a tribute to the late Margaret Burbidge, one of the 20th century’s greatest astronomers. Learn and explore more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0422-2020-ras-200th-margaret-burbidge.html
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NASA Administrator James Bridenstine Returns
We talk with NASA’s leader about how the agency is meeting the challenge of the pandemic. He looks forward to the future with confidence as he offers updates on projects including the Perseverance Mars rover, the Artemis Moon program, and the effort to send U.S. astronauts to the International Space Station on U.S. commercial crew vehicles. Planetary Society Chief Advocate Casey Dreier marks the 50th anniversary of Apollo 13 and introduces us to his remarkable new planetary exploration budget dataset. What’s Up also celebrate the “successful failure” of Apollo 13 as Bruce Betts tours the night sky and presents a new space trivia contest. Learn and explore more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0415-2020-nasa-admin-james-bridenstine.html
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The Slime Mold and the Universe
How could a lowly slime mold help researchers understand the distribution of dark matter and galaxies across the cosmos? Joseph Burchett and Oskar Elek of the University of California Santa Cruz will tell us about their team’s groundbreaking work. Bruce Betts and Mat Kaplan announce the first live and interactive What's Up segment is coming on April 23rd. The guys provide their usual assortment of space oddities in this week’s regular segment. Learn and explore more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0408-2020-slime-mold-universe.html
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Space Policy Edition: Our Equinox Space Policy Briefing
The coronavirus pandemic reminds us that everything we do in space depends on what we do here on Earth. The impacts on space exploration are being felt already, with more challenges yet to come. The policy team at The Planetary Society, including CEO Bill Nye, recently provided a members-only live briefing to share our analysis of the impacts and to take questions about our work and the future. We share excerpts from that briefing with you on this month's episode. Learn more about this month’s topics through links on the show page. https://www.planetary.org/multimedia/planetary-radio/show/2020/space-policy-edition-48.html
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The Next 10 Years: Continuing our Solar System Tour
Our survey of the solar system in anticipation of the next planetary science decadal survey continues with Mars, the big outer planets, and the smaller bodies that share the neighborhood. Three more great scientists share their looks ahead. Staying responsibly stuck at home is easier when you can look up at a gorgeous night sky. Bruce Betts is here to help with another fun edition of What’s Up and a Random Space Fact or two. Learn and explore more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0401-2020-next-10-years-part-2.html
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The Next 10 Years…An Introduction to the Decadal Survey
Preparations at NASA are underway for creation of the next planetary science decadal survey, a roadmap intended to guide exploration of our solar neighborhood from 2023 to 2032. Six scientists, each considering a different world or class of objects, will share their thoughts and hopes. The Planetary Society’s Emily Lakdawalla offers fun and fascinating science education suggestions for housebound families. Some lucky (?) listener will be getting a special message from Bruce and Mat if he or she wins the new What’s Up space trivia contest. Learn and explore more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0325-2020-next-10-years.html
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Building Our Future on Mars
How will we build the structures, roads and landing pads humans will someday need on Mars? Civil engineer Peter Carrato has been building grand structures on Earth for decades. He says the skills we’ve learned over thousands of years are well-suited for the much more challenging Martian environment. Planetary Society CEO Bill Nye the Science Guy returns with a message of care, hope and vision for our troubled times. And a bacon asteroid is just one of the absurdities Bruce Betts and Mat Kaplan discover on the way to a new What’s Up space trivia contest. Learn and explore more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0318-2020-pete-carrato-mars-civil-engineering.html
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The Return of Cosmos and Ann Druyan
Cosmos: Possible Worlds is the third season of the beautiful, groundbreaking television series helmed by the late Carl Sagan’s widow and partner, Ann Druyan. Ann returns to tell us about the show and her new companion book of the same name. You might win a hardcover copy in this week’s What’s Up space trivia contest. The equinox edition of The Planetary Report has arrived! Planetary Society Editorial Director Jason Davis provides an overview. Learn more on week’s show page: https://www.planetary.org/multimedia/planetary-radio/show/2020/0311-2020-ann-druyan-cosmos.html
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Space Policy Edition: NASA's 2021 Budget Request Brings Billions
It's officially budget season! NASA's fiscal year 2021 budget request is out, and it proposes billions of dollars of new funding for Project Artemis. But not every program is so lucky: the WFIRST space telescope, two Earth Science missions, two Mars missions, and NASA's STEM engagement program are slated for cancellation. Why is Artemis growing and science shrinking? Will Congress let those cuts happen? The Society's Chief of D.C. Operations, Brendan Curry, joins Casey Dreier and Mat Kaplan to break down the details and political headwinds facing NASA funding in the coming year. Learn more about this month’s topics through links on the show page. https://www.planetary.org/multimedia/planetary-radio/show/2020/space-policy-edition-47.html
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African Eyes Look to the Cosmos
One people, one sky. That motto belongs to Astronomers Without Borders. Its founder and retired leader, Mike Simmons, recently brought a guest to Planetary Society headquarters. Olayinka Fagbemiro is with the Nigerian space agency and also heads Astronomers Without Borders in her nation. Emily Lakdawalla tells us about four exciting planetary science missions that are currently competing for selection by NASA. Bruce Betts tells us about the search for 100 earths as he also asks us to find a citizen of Middle Earth in space. Learn more and enter the contest at https://www.planetary.org/multimedia/planetary-radio/show/2020/0304-2020-fagbemiro-simmons-awb-nigeria.html
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The Search for 100 Earths
Yale astronomer Debra Fischer has spent decades hunting for exoplanets. Now she leads the 100 Earths project that includes the Lowell Observatory and astrophysicist Joe Llama. Debra and Joe join us for a conversation about this search for worlds that could be like our own. There’s big space news in this week’s edition of The Downlink at the top of the show, and Bruce Betts takes us on his weekly tour of the night sky, though it’s the pre-dawn sky that may hold the most wonder. Try your hand at the space trivia contest! Learn more and enter the contest at https://www.planetary.org/multimedia/planetary-radio/show/2020/0226-2020-debra-fischer-joe-llama-100-earths.html
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Life=Matter+Information: Paul Davies and the Demon in the Machine
Physicist, cosmologist, astrobiologist and author Paul Davies’ new book explores what he believes to be the defining quality of life on Earth and perhaps elsewhere. He talks about this and much more in a special, extended conversation. Paul’s book is one of the prizes in the new What’s Up space trivia contest. Learn more and enter the contest at https://www.planetary.org/multimedia/planetary-radio/show/2020/0219-2020-paul-davies-demon-in-machine.html
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Another Goldilocks World and the Space Telescope That Discovered It
The planet has the less than romantic name TOI 700 d, but its discovery has generated passion among those searching for another Earth, including Emily Gilbert. The graduate student is lead author of a paper about the new world. TESS, the Transiting Exoplanet Survey Satellite, played a key role in its discovery. MIT planetary scientist and astrophysicist Sara Seager returns to tell us about this powerful tool and more. We also visit with the leader of NASA heliophysics research as she awaits launch of the Solar Orbiter. Look out! The rubber asteroids are back on What’s Up! Learn more and enter the contest at https://www.planetary.org/multimedia/planetary-radio/show/2020/0212-2020-tess-toi700d-seager-gilbert.html
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Space Policy Edition: Is the Moon a Stepping-Stone or a Cornerstone for Mars? (with Laura Seward Forczyk)
A new bill from the House of Representatives threatens to upend NASA's Artemis program and refocus the space agency on sending humans to Mars by 2033. Space policy expert Laura Seward Forczyk joins the show to share her critiques of this proposed legislation and what it would mean for NASA's human spaceflight program. Learn more about this month’s topics through links on the episode page. https://www.planetary.org/multimedia/planetary-radio/show/2020/space-policy-edition-46.html
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A Great Space Observatory Goes Dark: The Legacy of Spitzer
The Spitzer Space Telescope, one of NASA’s four great space observatories, was decommissioned on January 30. Mat Kaplan celebrates its discoveries and legacy with three leaders of the mission in this special extended episode. Mars has a supporting role in the new Star Trek: Picard streaming series. Planetary Society Solar System Specialist Emily Lakdawalla says the Red Planet never looked better! And you’ll have a chance to win a great new book about the Spitzer Space Telescope in this week’s What’s Up space trivia contest. Learn more and enter the contest at https://www.planetary.org/multimedia/planetary-radio/show/2020/0205-2020-spitzer-legacy-carey-hunt-werner.html
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Mighty Jupiter Revealed
It’s more massive than all the other planets combined. In nearly four years at Jupiter the Juno spacecraft has returned science that is revolutionizing our understanding of this gigantic world. Principal investigator Scott Bolton shows us the mysterious cyclones at its poles and that famously persistent red spot. Casey Dreier says the United States House of Representatives has proposed legislation that is at odds with NASA’s current Moon and Mars plans. John Flamsteed almost discovered Uranus! Bruce Betts will tell us where he went wrong in this week’s What’s Up space trivia contest. Learn more and enter the contest at https://www.planetary.org/multimedia/planetary-radio/show/2020/0115-2020-scott-bolton-juno.html
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The Coming Descent to Asteroid Bennu
After a year of circling close to near-Earth asteroid Bennu, the OSIRIS REx spacecraft is almost ready to dip down and collect a surface sample for return to labs on our home planet. Principal Investigator Dante Lauretta prepares us for this exciting event and shares the great science already accomplished. Editorial Director Jason Davis stops by with a report on the successful test by SpaceX of its Crew Dragon escape system. Are we finally about to see astronauts using it to reach the International Space Station? Learn more and enter the weekly What’s Up space trivia contest at https://www.planetary.org/multimedia/planetary-radio/show/2020/0122-2020-dante-lauretta-osiris-rex.html
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The MILO Institute: Opening the Solar System for Exploration by All
Planetary scientist and bestselling author Jim Bell is joined by space entrepreneur Lon Levin to tell us about the MILO Institute, a new collaboration by Arizona State University, Lockheed Martin and other organizations that hopes to make robotic exploration of our solar system much more accessible. Solar System Specialist Emily Lakdawalla takes us to the newly-discovered habitable zone world that’s a mere 100 light years from Earth. What’s Up becomes the new home for space jokes! Learn more and enter the contest at https://www.planetary.org/multimedia/planetary-radio/show/2020/0115-2020-jim-bell-lon-levin-milo.html
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Space Policy Edition: Houston, We Have a Space Force (with Brian Weeden)
Legislation signed by President Trump in December formally established the 6th branch of the U.S. armed services, the first such expansion in 72 years. What exactly will the new Space Force do? How big of a deal is this? What does this mean for the militarization of space? Dr. Brian Weeden from the Secure World Foundation joins the show to help us answer those questions. Learn more about this month’s topics through links on the episode page. https://www.planetary.org/multimedia/planetary-radio/show/2019/space-policy-edition-45.html
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In the Clean Room With the Mars 2020 Rover
Put on your bunny suit! You’re invited to join Mat Kaplan and Emily Lakdawalla in the Jet Propulsion Lab clean room with the Mars 2020 rover. You’ll hear JPL Director Michael Watkins and some of the engineers who have built the robotic explorer that will collect samples for eventual return to Earth. The What’s Up space trivia contest asks you to look for rhymes among our solar system’s many moons. Learn more and enter the contest at https://www.planetary.org/multimedia/planetary-radio/show/2020/0108-2020-Mars-2020-rover-clean-room.html
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Planetary Society All-Stars Look Back at 2019 and Ahead to 2020
Happy new year in space! Editorial Director Jason Davis, Chief Advocate Casey Dreier and Solar System Specialist Emily Lakdawalla join Mat Kaplan for a review of 2019’s biggest news from the final frontier. Our experts then turn to the promise of 2020 for Mars exploration, humans in space and much more. The theme continues as Planetary Society Chief Scientist Bruce Betts adds his highlights in a special What’s Up segment. Got a great joke that combines space and the new year? You might win this week’s contest! Learn more and enter the contest at https://www.planetary.org/multimedia/planetary-radio/show/2020/0101-2020-looking-back-looking-forward.html
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What’s Next for Mars Exploration?
The Red Planet is slowly revealing its deepest secrets, but there’s much more to learn. The biggest mystery is whether it has ever been home to life. Caltech and JPL planetary scientist Bethany Ehlmann lays out the path ahead in a fascinating conversation. The holiday night sky is alive with stars, planets and even a meteor shower. Bruce Betts will tell all in What’s Up. Our last episode of the year opens with space exploration headlines from the Planetary Society’s news digest, The Downlink. Learn more and enter the space trivia contest at https://www.planetary.org/multimedia/planetary-radio/show/2019/1225-2019-bethany-ehlmann-mars.html
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Meet the Planetary Society’s Newest Asteroid Hunters
Six amateur astronomers and small observatories around the world have just been named as the recipients of the 2019 Eugene Shoemaker Near Earth Object grants. You’ll meet an Italian who watches the skies in Sicily and a Minnesota high school teacher who remotely operates a telescope in Texas. Chief scientist Bruce Betts will tell us why the Society has proudly awarded this funding for 22 years. He’ll return for this week’s What’s Up. We’ve also got space exploration headlines from The Downlink. Learn more and enter the space trivia contest at https://www.planetary.org/multimedia/planetary-radio/show/2019/1218-2019-shoemaker-neo-winners.html
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The Creators of The Expanse
Season 4 of The Expanse is about to begin on Amazon Prime. Host Mat Kaplan visits with the authors of the eight novels (so far) that are the basis of this outstanding hard science fiction series that begins with humankind having become a spacefaring species that spans the solar system. We’ve also got space headlines from The Downlink. Bruce Betts celebrates more recognition for the Planetary Society’s LightSail project in this week’s What’s Up. https://www.planetary.org/multimedia/planetary-radio/show/2019/1211-2019-the-expanse-authors.html
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Space Policy Edition: The Biggest Policy Moments of the Decade (with Marcia Smith)
As the 2010s come to a close, Marcia Smith, the founder of Space Policy Online, rejoins the show to explore the most significant and impactful space policy decisions of the 2010s. Mat and Casey also discuss the recently-approved European Space Agency budget, and what it means for planetary defense and Mars sample return efforts. Learn more about this month’s topics through links on the episode page. https://www.planetary.org/multimedia/planetary-radio/show/2019/space-policy-edition-44.html
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A Toast to Alcohol in Space
They are not for everyone, but there’s no doubt that alcoholic beverages have been part of human culture for as long as there has been human culture. And there’s no reason to think booze won’t follow us across the solar system. Host Mat Kaplan talks with Chris Carberry about his comprehensive and eye-opening book, Alcohol in Space: Past, Present and Future. The December Solstice edition of The Planetary Report has just been published online. Editor-in-chief Emily Lakdawalla provides an enticing overview of its contents. We’ve also got headlines from The Downlink, and a glance at the crowded night sky in What’s Up. Learn more at: https://www.planetary.org/multimedia/planetary-radio/show/2019/1204-2019-chris-carberry-alcohol.html
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Seeking the Killer Space App with Space Tango
Organizations are using the microgravity environment of the International Space Station to develop unique new products. One of them is Kentucky-based Space Tango. We’ll meet its chairman and co-founder and the woman who manages its Tangolab. Also, a NASA rep who works with these pioneers. Time magazine has named the Planetary Society’s LightSail its aerospace invention of the year! Society CEO Bill Nye is grateful to all who have been part of the project. Bruce Betts provides a solar sail update at the top of this week’s What’s Up, and wishes Mat a happy 17th anniversary of Planetary Radio. Learn more and go inside Space Tango at: https://www.planetary.org/multimedia/planetary-radio/show/2019/1127-2019-space-tango.html
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Space Books and Gifts for Space Kids of all Ages
Our own Emily Lakdawalla, Planetary Society senior editor and book lover, shares her 2019 list of space books for everyone, from infant to adult. She also presents a list of cool space gifts recommended by scientists and engineers. Bruce Betts provides a tantalizing tease for what could be a brief but massive shower of meteors. And there’s much more to look for in the fall sky. You’ll find links to the complete lists of Emily’s recommended space books and gifts at: https://www.planetary.org/multimedia/planetary-radio/show/2019/1120-2019-lakdawalla-books.html
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A Passionate Conversation with Carolyn Porco
The outspoken planetary scientist who led the Cassini imaging team finally sits down with Mat Kaplan for a revealing, fun conversation. We also talk with astronomer Jay Pasachoff while he watches tiny Mercury crawl across the face of the Sun. Chief scientist Bruce Betts was in the Planetary Society parking lot enjoying the November 11th transit of Mercury. He joins us from there for What’s Up. Learn more about this week’s guest and topics at: https://www.planetary.org/multimedia/planetary-radio/show/2019/1113-2019-carolyn-porco.html
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Our Mysterious Sister: Venus
Astrophysicist Javier Peralta takes us deep into the thick, fast-moving clouds of the world that is still called Earth's sister by some. Venus is slow to reveal its secrets. Jason Davis helps us celebrate the 50th anniversary of Apollo 12. The Planetary Society wants to hear your space goals, accomplishments and dreams! And Bruce Betts reveals the identity of the first gourmet in space. Space headlines from The Downlink, too. Learn more about this week’s guest and topics at: https://www.planetary.org/multimedia/planetary-radio/show/2019/1106-2019-javier-peralta.html
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Space Policy Edition: How a Report Can Move Mountains
How can a simple report—just words on a page—lead to creation of a spacecraft? We explore how a 2019 report on the need for a dedicated, space-based telescope to find threatening near-Earth asteroids motivated NASA to pursue that very mission. We speak with Dr. Jay Melosh, planetary scientist and chair of the National Academies committee behind that report, on how it came together and how the process works behind the scenes. We also check on NASA's budget process in Congress and news from the International Astronautical Congress in Washington, D.C. More resources about this month’s topics are at https://www.planetary.org/multimedia/planetary-radio/show/2019/space-policy-edition-43.html
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Finding Wonder and Meaning in a Book by Carl Sagan’s Daughter
Bill Nye says of Sasha Sagan’s new book, “Sagan finds the meaning of life everywhere—with her family, around the world, and especially among the stars of the cosmos. Read her work; you’ll have a deeper appreciation for your every step, every bite, and every breath.” Mat Kaplan talks with Sasha about For Small Creatures Such as We, and later joins Bruce Betts to offer the book in the new What’s Up space trivia contest. Learn more about this week’s guest and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/1030-2019-sasha-sagan.html
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How Long Was Mars Wet?
Planetary scientist Briony Horgan and her team want to know how long liquid water flowed on the surface of the Red Planet before that world froze. Long enough for life to appear and thrive? New work comparing Earth’s extremes may have provided clues. There’s gas in space, and some of it is inside astronauts. Bruce Betts shares the uncomfortable truth in this week’s What’s Up. Also, space headlines from The Downlink. Learn more about this week’s guest and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/1023-2019-briony-horgan.html
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NASA’s Home for the Bleeding Edge: The 2019 NIAC Symposium
The NASA Innovative Advanced Concepts program gathers its “fellows” each year to share what they’ve learned about some of the most fascinating science and engineering imaginable. Mat Kaplan visits with Program Executive Jason Derleth and seven leaders of funded studies. Astronaut Mae Jemison also attended and returns to Planetary Radio. Cosmonaut Alexei Leonov passed away last week at 85. He is remembered and praised by space historian John Logsdon. All this, headlines from The Downlink, and Bruce Betts! Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/1016-2019-niac-symposium-leonov.html
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Space Policy Edition: Happy Fiscal New Year!
October 1st kicked off federal fiscal year 2020—a day that should also have kicked off a new budget for NASA. But Congress has not funded the space agency yet, instead passing a temporary stopgap measure to keep the government open until November 21st. Brendan Curry, The Planetary Society's Chief of D.C. Operations, joins the show to discuss the latest political developments in Washington, good news for planetary defense, and how the funding delay could spell trouble for the space agency's 2024 lunar goal. More resources about this month’s topics are at http://www.planetary.org/multimedia/planetary-radio/show/2019/space-policy-edition-42.html
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Nobel Prize Winner Michel Mayor…and More
Astronomer and astrophysicist Michel Mayor has just been awarded the 2019 Nobel Prize for physics. Listen to Mat’s 2016 conversation with this revered scientist, the first to discover an exoplanet. The Beresheet mission’s Yoav Landsman recently visited Planetary Society HQ and spent a few minutes catching up with Mat. And Society Editorial Director Jason Davis introduces The Downlink, our weekly digest of planetary news. Bruce Betts takes us to a moon of Uranus to find the melancholy Dane. Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/1009-2019-michel-mayor-yoav-landsman.html
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How to Defend Your Planet
Planetary scientist Vishnu Reddy studies space objects ranging from satellite debris to planet-killing asteroids. He shares the status of our effort to avoid the fate of the dinosaurs in a conversation with host Mat Kaplan. Did you know fruit flies were first in space? That’s just one of the random space facts you’ll absorb in this week’s What’s Up segment with Bruce. Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/0925-2019-vishnu-reddy-planetary-defense.html
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Ad Astra: The Movie!
Brad Pitt sets out across the solar system to save Earth in the new space epic. Host Mat Kaplan enjoys a far-reaching conversation with the co-screenwriter of Ad Astra that touches on the film’s meaning, the mythic journey of its protagonist, its spectacular images, and where it strays from known science. Registration for the Planetary Society’s 2020 Day of Action in Washington DC is open! Chief Advocate Casey Dreier has the lowdown. You might win a beautiful, rotating MOVA Earth globe in this week’s What’s Up space trivia contest. Hey! That’s LightSail 2 floating above our pale blue dot. Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/0925-2019-2019-ethan-gross-ad-astra.html
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How to Build a Starship: The 2019 Starship Congress
The biannual Starship Congress attracts starry-eyed believers in humankind’s destiny among the stars. We talk with several of them about their ideas for technologies and science that may help pave the way. Science fiction author David Brin dropped by the Congress and spends a few fun and speculative minutes with us. The September Equinox edition of The Planetary Report is ready for all to read. Editor Emily Lakdawalla gives us a sneak peek. The Milky Way has at least 54 satellite galaxies? Who knew? Bruce Betts, that’s who. Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/0918-2019-2019-starship-congress.html
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The Unexpected Space Center: Los Alamos National Laboratory
This US research center has been part of more than 200 space missions, but it’s not a NASA facility! The Los Alamos National Laboratory in New Mexico gave the Voyager spacecraft their power sources, is building nuclear generators for future Martians, and accidentally invented the field of High Energy Astrophysics. That’s just some of what we’ll learn from Lab historian Alan Carr and longtime Lab astrophysicist Ed Fenimore. The Planetary Society’s Jason Davis has the latest news about India’s lunar lander, while Bruce Betts and Mat Kaplan go where no acronym has gone before. Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/0911-2019-carr-fenimore-los-alamos.html
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Space Policy Edition: Why Apollo Ended (with John Logsdon)
As NASA struggles to return humans to the Moon by 2024, it's worth asking: why did it stop in the first place? Space historian John Logsdon joins the show to discuss the politics behind the decision to abandon the Moon in 1972. Casey and Mat also discuss the proposal to offer a $2 billion prize for sending humans back to the Moon and establishing a base there, and why that's not good public policy. More resources about this month’s topics are at http://www.planetary.org/multimedia/planetary-radio/show/2019/space-policy-edition-41.html
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A Comet’s Legacy, and a Helicopter is Ready for Mars
First we return to JPL for an update on the Mars Helicopter that has just been attached to the belly of the 2020 Mars Rover. Then it’s across the pond for a review of the amazing science coming from the Rosetta mission that spent years exploring comet 67P/Churyumov-Gerasimenko. We wrap things up with another What’s Up view across the solar system and beyond. Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/0904-2019-balaram-helicopter-rubin-tubiana-rosetta.html
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What Will You Send to the Moon?
Astrobotic is one of several companies that are building small, robotic landers to take commercial payloads to the surface of the Moon. With a new contract from NASA to support his company’s work, CEO John Thornton looks forward to touching down in 2021. Senior editor Emily Lakdawalla can’t wait for the Europa Clipper to reach Europa, one of Jupiter’s ocean moons. Who doesn’t want more cow bell? Chief scientist Bruce Betts gets his share as he helps us explore the current night sky in What’s Up. Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/0828-2019-john-thornton-astrobotic.html
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NASA’s Red Planet Rick and Putting Humans on Mars
Rick Davis is the perfect person to co-lead NASA’s Mars Human Landing Sites Study. No one is more devoted to putting human bootprints on the Red Planet. He returns to Planetary Radio for this inspiring and informative conversation about our progress. Bruce Betts leads off What’s Up with another brief LightSail 2 update. The Planetary Society’s solar sailing cubesat continues to raise its orbit. Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/0821-2019-rick-davis-humans-on-mars.html
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Reflections of Humanity in a Spacesuit for Moonwalkers
Host Mat Kaplan in a long and fascinating conversation with Nicholas de Monchaux, author of Spacesuit: Fashioning Apollo. This great book is about much more than creation of the suits that allowed humans to walk and work on the Moon. Jason Davis shares pointers on looking for LightSail 2 overhead, while Bruce Betts provides a solar sail update in this week’s What’s Up. And you might win a Planetary Radio t-shirt! Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/0814-2019-spacesuit-nicholas-de-monchaux.html
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Planetary Radio Live at Science Museum Oklahoma
Join Planetary Society CEO Bill Nye and host Mat Kaplan as they visit Oklahoma City’s outstanding public science museum. You’ll meet University of Oklahoma researchers who are exploring Mars and learning how solar systems form across the universe. And we’ll hear about the Sooner state’s huge role in our exploration of the final frontier. Learn more about this week’s guests and topics at: http://www.planetary.org/multimedia/planetary-radio/show/2019/0807-2019-planetary-radio-live-science-museum-oklahoma.html
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Planetary Radio Live with Bill Nye at Science Museum Oklahoma
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Space Policy Edition: The Home Front During Apollo (with Emily Margolis)
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A Helicopter for Mars and a Major LightSail Announcement
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Ready to Sail! LightSail 2 Deploys its Silvery Wings
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Apollo 11 and the Woman Who Helped Get It Home
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We’re Sending a Flying Machine to Titan
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Space Policy Edition: Why Apollo Happened (with Roger Launius)
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LightSail Takes Flight!
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The News From Saturn-With Linda Spilker
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Flight by Light: A LightSail 2 Mission Preview
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Quasars and Quanta: Exploring Einstein’s Quantum Riddle
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Space Policy Edition: The Soviet Moonshot (with Asif Siddiqi)
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Starchaser: Extraordinary Astronomer Jay Pasachoff
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Sharing a Passion for Mars at the Humans to Mars Summit
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Talking with NASA Administrator Jim Bridenstine
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BONUS: Introducing Science Rules! with Bill Nye
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A Last Visit With LightSail 2 at the Cubesat Developers Workshop
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Planetary Radio Live Defends Planet Earth!
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Space Policy Edition: Lessons From the Moonshot That Never Was-With Mark Albrecht
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The Skies of Super-Earths and Mini-Neptunes
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Lucy in the Sky With Asteroids
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The Triumph of a Failed Moon Landing
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Celebrating Yuri’s Night with Legendary Astronaut Story Musgrave
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Space Policy Edition: T-minus Five Years and Counting
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Ice Worlds, Landing on the Moon and Blasting an Asteroid
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Dunes, Walnut Shells, Alien Impostors and Other Worlds: A Visit with Sarah Hörst
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Bill Nye and Planetary Radio Live at Extreme STEAM
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Boosters, Breakthroughs and Budgets: Canada and the US Look Toward Space
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China on the Final Frontier
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Space Policy Edition: When a (Space) Cowboy Came to Washington
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An Israeli Lander Launches Toward the Moon
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A Fond Farewell to Spirit and Opportunity
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Watching the Births of Solar Systems
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The DART Mission: Learning How to Swat Dangerous Asteroids
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Space Policy Edition: Should the U.S. be in a space race with China?
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Where Do We Come From? The Origin of Life
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Asteroid Bennu’s Visitor From Earth
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Space Policy Edition: Shutdown
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Flying the Skies of Saturn’s Moon Titan
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New Horizons Flyby: Join the Celebration!
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A Mission to Earth: OSIRIS-REx
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Countdown to Ultima: Alan Stern and New Horizons
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Earthrise! The 50th Anniversary of Apollo 8
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At the Space Settlement Summit With Former NASA Administrator Charlie Bolden
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Space Policy Edition: Canada's Uncertain Future in Space (with Kate Howells)
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Last Week, Mars. This week, An Asteroid Called Bennu.
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A Great Day for Space Explorers: The Landing of InSight
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We Know Where the 2020 Rover Will Look for Martian Life
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Space Policy Edition: After the Midterms—Looking Ahead with Marcia Smith
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Moon Mission 3D from Queen Guitarist Brian May and David Eicher
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Where Do We Come From? – Exploring the Origins of Life Lab
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Celebrating Kepler
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Sailing to an Asteroid on the Light of the Sun
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Back to Saturn for Brand New Cassini Science
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Celebrating Astronomy Day with the Giant Magellan Telescope
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Space Policy Edition: How NASA Came to Be
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John Logsdon on the Dawn of the Space Age
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SpaceX Builds a Big Falcon Rocket
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Return to Fiery Mercury With BepiColombo
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Opportunity, Phone Home!
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Space Policy Edition: Did NASA Ace its Midterms? With Special Guest Louise Prockter
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Big Science, Big Rocket at the Marshall Space Flight Center
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Space, Rockets, and a Senatorial Encounter in Huntsville, Alabama
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Pluto Occults! Join Us on the Mountain
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Giving Mysterious Venus the Love (and Science) She Deserves
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Dark Energy’s Co-Discoverer and the Leader of Chinese Space Science
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Space Policy Edition: Destination…Mars? Contradictions and Principles
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Diving Into That Lake on Mars
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Hayabusa2 Reaches a Dark Diamond in Space
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An African Observatory Hunts Killer Asteroids
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Something Old and Something New: Exciting Research on the International Space Station
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Space Policy Edition: Space Force! With Special Guest Brian Weeden
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Dwarf Planet Ceres Thrills as a Dying Visitor Closes In
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It’s Asteroid Week with NASA’s Planetary Defense Officer
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Kathryn Sullivan, Space Dentistry and More at the International Space Development Conference
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A Conversation with Freeman Dyson
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It’s Rocket Science: Testing PlanetVac in the Mojave Desert
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Space Policy Edition: Space Policy Directive 2—This Time it's Commercial
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A Sacred Place: The National Air and Space Museum with Ellen Stofan
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Chasing New Horizons to Pluto with Alan Stern and David Grinspoon
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Why Mars? We’ve Got the Answers
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Amy Mainzer: Asteroid Hunter
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Space Policy Edition: A Commercial Future for the Space Station?
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All Shook Up: The InSight Mission to Mars
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Planetary Radio Live! – Celebrating Curiosity on Mars
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Yuri’s Night 2018!
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Visiting the Earth-Like Worlds of TRAPPIST-1
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Space Policy Edition: Lori Garver on what a NASA Administrator (and Deputy) actually does
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AI, Space, and Humanity’s Future—A Conversation with David Brin
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A Space Station Crashes to Earth
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Stephen Hawking: Spaceflight Pioneer!
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Amateur Astronomers Work To Save Earth From Asteroids!
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Visiting the Birthplace of PlanetVac
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Space Policy Edition #23 - Blitzing Congress: Planetary Society volunteers visit Capitol Hill
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Experience A Message From Earth - Inspired by the Voyager Golden Record
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The Eyes of a New Mars Rover: Mastcam-Z
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Space Policy Edition Special: The 2019 President’s Budget Request Unveiled
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A New Congressional Caucus Backs Planetary Science
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Space, SETI, the Singularity and Shostak
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Space Policy Edition #21: Bill Nye and the State of the Union
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Going to Sea to Sail Through Space: Orion Ocean Recovery Testing
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Living in Space!
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It’s a Hard Rain on Titan
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Mysterious Tabby’s Star, With Tabby Herself
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Space Policy Edition #20: Looking back on the year in space policy. Also, your questions!
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Looking Back, Looking Forward with the Planetary Society All-Stars
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Flowing Water on Mars? Not So Much
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Exploring the Latest Planetary Science Discoveries With Emily Lakdawalla
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President Trump Sets Course for the Moon
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A Visitor From the Stars: ‘Oumuamua
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Space Policy Edition #19: When did the private space age begin? Much earlier than you think.
Jason and Casey also discuss the consequences of the House GOP tax plan, which could raise taxes on thousands of graduate students. Also, the coming budget showdown and possible consequences for NASA projects.Learn more about your ad choices. Visit megaphone.fm/adchoices
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Bob Richards of Moon Express
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Canada Rises…And So Does the Sun
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The Honorable Adam Schiff: Another Congressional Space Enthusiast
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Andy Weir’s New Novel Puts a City on the Moon
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Space Policy Edition #18: Jim Bridenstine vs. the Senate and First Meeting of the National Space Council
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André Bormanis and Emily Lakdawalla on Life, the Universe and Everything
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Searching for ET With Pete Worden
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Pamela Gay and the Image Detective
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Dawn: Ten Years of Exploration
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Space Policy Edition #17: The 75th Anniversary of the Rocket Age, with Dr. Michael Neufeld
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Australia Gets Serious About Space
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Celebrating Cassini…Live!
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Long Live Cassini!
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Science Fiction Greats on Humanity’s Destiny in Space
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Sailing on the Light of the Sun With Lou Friedman
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Space Policy Edition #16: NASA's Flagship Missions: Are They Worth It?
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Planetary Radio Live on the Eve of the Eclipse
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Cassini Project Scientist Linda Spilker’s Last Appearance Before the Grand Finale
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Ed Stone and Forty Years of Voyager in Space
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Dark Energy Attracts? Astrophysicists Jason Rhodes and Alina Kiessling
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Space Policy Edition #15 – Congressman Rick Larsen, Could Russia Exit the ISS?
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An Eye on the Sun (In the Middle of a Lake)
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Planetary Radio Live! Living on Mars
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Emily Lakdawalla on the Last Orbits of Cassini
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20 Years on Mars with Matt Golombek
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Space Policy Edition #14 – Ice Giants and Ocean Worlds Beckon
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A Cosmic Voyage with Astronomer Sandra Faber
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Happy Asteroid Day!
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Thomas Edison, Eclipse Chaser!
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Julie Webster and the Art of Spacecraft Endurance
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Spectacular Jupiter!
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Space Policy Edition #13 – The 2018 Budget Proposal and Is Mars Exploration in Retrograde?
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Buzz Aldrin and Other Martians
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Human Spaceflight: Coming Back to America
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NASA Leaders on Getting Humans to Mars
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Visiting Worlds Fantastic with Bonnie Buratti
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Space Policy Edition #12 – Is Space Policy Stagnant? With Special Guest Marcia Smith
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Be There! The Great American Eclipse
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Bill Nye Saves the World…With Space
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McDonald Observatory and the Quest for Dark Energy
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Aerospace Corporation President and CEO Steve Isakowitz
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Space Policy Edition #11 – Big Science and a Skinny Budget
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Mars’ Atmosphere…Lost in Space!
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Nancy Atkinson’s Incredible Stories from Space
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Ready for Space: LightSail 2 Update
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The Great American Eclipse—Be Part of It!
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Hope for Pluto—Should We Re-Redefine Planets?
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Space Policy Edition #10 - Special Guest Laura Delgado Lopez, SpaceX to the Moon, looming budget cuts
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The Worlds of TRAPPIST-1
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Planetary Radio Live: Near Earth Objects—The Killer Asteroid Threat
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Nazis in Space? Rod Pyle’s Amazing Stories of the Space Age
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Earth Microbes! Welcome to Mars
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Space Policy Edition #9 – Congress Plots New Space Legislation Amid Trump’s Tumultuous First Two Weeks
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The Final Countdown at Saturn
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Ice, Snow and Lava: Exploring Antarctica’s Mount Erebus
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Chief Scientist Ellen Stofan Leaves NASA
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Ben Miller Says The Aliens are Coming!
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Space Policy Edition #8 - A Transition "Trumpdate", 2016 in Review, and Answering Your Questions
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A Little Rocket Company Shoots for the Moon
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Marvelous Martian MAVEN
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Art That Captures the Beauty and Science of Space
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A Giant Telescope and Remembering John Glenn
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Running Before the Sun: Astronomer Jay Pasachoff
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Space Policy Edition #7 - The Trump Administration: What Can We Expect for Space?
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Leading the Search: Bill Diamond of the SETI Institute
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To Mars! With National Geographic
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Pluto and Titan and Iran, Oh My!
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Inside Virgin Galactic’s SpaceShipTwo
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Space Policy Edition #6: Election 2016! Where Do Clinton and Trump Stand on Space?
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Matt Taylor Rocks Rosetta
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Alan Stern and a Triumph at Pluto
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Charley Kohlhase and the Greatest Voyage
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Trekkin’ Across the Universe With Andrew Fazekas
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Space Policy Edition #5: The U.S. Senate takes on the politics of Mars
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Farewell Rosetta!
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Rocket Road Trip!
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Cassini at Saturn: The Final Year
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OSIRIS-REx: The Voyage to Bennu Begins, With Dante Lauretta
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Spinoffs! Sharing NASA Technology
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Space Policy Edition #4: Near Earth Asteroids—Why we go, how we find them, and maybe mine them
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The Pale Red Dot: A Planet Called Proxima b
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Could the Soviet Union Have Won the Space Race?
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Sailing the Canyons of Titan
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Subcontractors: Making Space Happen
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Space Policy Edition #3: Plutonium-238, Europa via SLS, Cost of the Next Mars Rover Rises
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Interstellar Dreams Turn Real
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Anatomy of a Rover—Getting Down to Mars
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The Eagle Has Landed: Remembering Neil Armstrong
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Juno Reaches Jupiter!
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Fighting for Space: Former NASA Deputy Administrator Lori Garver
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Space Policy Edition #2: Why Juno? Why Jupiter? Why Now?
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Planetary Radio Extra: Shining a Million Watt Flashlight on an Asteroid
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Countdown to Jupiter
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OSIRIS REx: Ready for a Voyage to Bennu
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JunoCam, The People’s Jupiter Camera
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Chris McKay, Larry Niven and Andy Weir at the Contact Conference
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Space Policy Edition #1: How We Got Here: Human Spaceflight at the End of the Obama Era
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Getting Humans to Mars
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A Big Test for LightSail 2
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NASA’s Science Leader John Grunsfeld
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Dream Chaser: The Return of the Spaceplane
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At Space Symposium With the Leader of the European Space Agency
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A Death Valley Conversation About Life, The Universe and Everything With Tyler Nordgren and Jill Tarter
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Exploring Europa and Mining Asteroids at Yuri’s Night
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Celebrating Yuri’s Night 2016 with Astronaut Samantha Cristoforetti
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Michel Mayor, Discoverer of the First Extrasolar World
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Ashwin Vasavada, Leader of Scientists Roving Mars
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Planetary Radio Live: All These Worlds…
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Neil Gehrels and WFIRST—A Space Telescope for the 2020s
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HERA Heroine Julielynn Wong and Printing Medical Tools in Deep Space
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Interstellar Dreams: Kim Stanley Robinson’s “Aurora”
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Exploring Saturn With Cassini
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Planetary Radio Extra: Our Space Policy Experts Analyze NASA's Proposed 2017 Budget
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Zero-G With OK Go!
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Planet 9 From Outer Space!
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Planetary Radio Extra: LightSail Update
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NASA’s New Planetary Defense Office
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Civilizations Among the Clustered Stars?
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Marc Rayman’s Dawn Mission Update
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Master of the Moon Rocks: NASA Astromaterials Curator Francis McCubbin
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Ad Astra Builds “The Martian’s” Rocket Engine
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Planetary Radio Extra: Ad Astra Rocket Company Audio Tour
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Planetary Radio Extra: Planetary Society Experts 2015 Review
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2015: A Great Year for Space Exploration
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Congressman John Culberson on a Good Day for Space
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Planetary Radio Extra: Casey Dreier on the 2016 NASA Budget
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Field Test: Planetary Deep Drill
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A Journey to Space
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A Tiny Explorer Called Twinkle
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Movers and Shakers at SpaceCom Expo
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Solar System Revelations, and the World’s Biggest Telescope Threatened?
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From Mars to the Stars With Lou Friedman
The founding Executive Director of the Planetary Society has just written “Human Spaceflight: From Mars to the Stars,” an optimistic view of humanity’s future in the solar system and beyond. Bill Nye shares his admiration for his predecessor, Lou Friedman. Emily Lakdawalla is ready for the 2015 Division of Planetary Science conference. The What’s Up space trivia contest once again offers your chance to win Bill Nye’s personalized greeting on your voicemail.
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A 35th Anniversary Party With Neil Tyson!
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A Conversation with Andy Weir of “The Martian”
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Pluto Amazes!
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Big Rockets and Little LightSails
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Imaging Hot Young Jupiters
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Humans Orbiting Mars!
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Zibi Turtle and a Mission to the Ice Giants
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OSIRIS-REx Readies for Asteroid Bennu
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Flying High on SOFIA
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LightSail Prepares to Take Flight
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A Recipe for a Small Planet
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Ancient Water Was Here Before the Sun
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Planetary Radio Live: The LightSail Countdown Begins!
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Was a Natural Fuel Cell Key to the Origin of Life on Earth?
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Special Planetary Radio Advocacy Report From Casey Dreier: A Good Week in Washington
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Spinoff 2013: Bringing Space Technology Home
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Neil deGrasse Tyson
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A Second Earth, and OSIRIS REx is Go for Asteroid Bennu
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Planetary Radio Live at Yuri’s Night—Under Space Shuttle Endeavour
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Microbes in Orbit: Cheryl Nickerson’s Revealing Biomedical Research
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Alaskan Aurora Adventure!
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A Planetary Radio Special Feature: NASA Unveils Its Proposed FY2015 Budget
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Verified: More Than 700 New Worlds
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Talking with JPL's Blaine Baggett and Ed Stone About "The Stuff of Dreams"
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Getting Humans to Mars Without Breaking the Bank
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Surprising Budget News for Planetary Exploration
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Back to Planetary Radio Live With the Mars Rovers
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Planetary Radio Live Celebrates the Mars Rovers
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From Earth to the Edge of the Universe: A New Edition of “The Cosmos”
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The Gemini Planet Imager: Worlds Made Visible
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A 2014 Preview From Emily Lakdawalla
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Amy Mainzer Is Hunting Asteroids With NEOWISE
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10 Years A Roving: A.J.S. Rayl on the Mars Exploration Rovers
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A Big Week for Space Science at the AGU and Beyond
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Comet ISON: Much More Than a Memory
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Celebrating the Admiral of the Solar System
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Alyssa Rhoden and the Rise of the Europa Underground
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Planetary Radio Live Celebrates the Launch of MAVEN
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SpaceUp LA: What would you do with $13 Billion?
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All-Sky Optical Search for Extraterrestrial Intelligence
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It's Hot! Plutonium 238 is Back
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Juno's Brief Home Visit on the Road to Jupiter
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Emily Lakawalla's DPS Report
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The New Horizons Initiative
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Gregory and James Benford on the "Starship Century"
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Can We Touch the Stars? Lou Friedman at the 100-Year Starship Symposium
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MAVEN Mars Mission's Bruce Jakosky
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PLANETARY RADIO LIVE: LADEE Launches for Luna
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Remembering Bruce Murray
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Taikonauts on the Moon? A Conversation With Leonard David
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NASA's Charlie Bolden Visits Earth Missions at JPL
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Bleeding Edge--NIAC Chooses 12 New Out There Projects
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The Ancient Snows of Mars
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Europa Report--New Science Fiction Film Embraces the Science
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JPL and England Wave at Saturn
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Touring Mt. Wilson with George Ellery Hale's Descendants
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Tim Spahr of the Minor Planet Center
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Water on the Moon!
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A Cosmic Concert: Singer/Songwriter Peter Mayer on Planetary Radio Live
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Landing On Mars With JPL's Matt Golombek
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Saving Science Education With Pamela Gay AND Creating the Blackest Black
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Tasting the Air of Distant Worlds
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Live at the Space Tech Expo with Bill Nye, Xcor and Zero-G
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Advocating for Planetary Science/Star Trek Meets Spacefarers
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Sun Rings: Music of the Spheres From the Kronos Quartet
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Saving Earth: Asteroid Emergency Tabletop Exercise at the 2013 PDC
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Kindred Spirits: Alison Gibbings and Carolyn Shoemaker at the Planetary Defense Conference
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Live at the Planetary Defense Conference!
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Yuri's Night 2013 Under Space Shuttle Endeavour
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Basics of Interplanetary Flight With Dave Doody
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Saturn Update from Cassini Project Scientist Linda Spilker
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More of Our ALMA Adventure in Chile's Atacama Desert
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ALMA Adventure
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Drill Baby Drill! On Mars
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Alan Stern's Golden Spike Sets Sights on the Moon
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One In A Million!
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Chris Lewicki of Planetary Resources: Mining Asteroids For Fun and Profit
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2012 DA14--Coming Soon to a Planet Near You!
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An Imminent Asteroid Encounter
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Debra Fischer Hunts for a Second Earth at Alpha Centauri
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The Gigantic ALMA Radio Telescope in Chile
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Visiting the AAS Meeting for a JWST Update and More
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Listening Once Again to Amateur Astronomy Pioneer John Dobson
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Looking Back, Looking Forward: Beginning a New Year In Space
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PLANETARY RADIO LIVE: Special Curiosity Report Continues
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PLANETARY RADIO LIVE: Celebrating Rover Curiosity
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First Earth-Sized Exoplanet is Next Door!
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All Together Now! The News From Curiosity
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Approaching Pluto, and Learning About Uwingu From Alan Stern
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Dawn Mission Update and At Home With Marc Rayman
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Celebrating Carl Sagan With Lou Friedman, Lynda Obst, Kip Thorne and More
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Curiosity Sniffs Martian Air/Shuttle Endeavour Opens to the World
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A Vacuum Cleaner on Mars
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Amazing Science at the 2012 DPS Meeting
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Amateur Astronomers Work to Save Earth!
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Exploring the XDF, The Deepest Image of Our Universe, With Garth Illingworth
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Curiosity Finds a Martian Stream Bed and Endeavour Flies Home
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Live at PATS With OSIRIS REx!
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Celebrating 35 Years of the Voyager Mission
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A Conversation With Telescope Inventor John Dobson
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Author David Brin Considers and Writes "Existence"
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Remembering Neil Armstrong/ChemCam is Zapping Martian Rocks!
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More From Planetfest With Andrew Chaikin and Scott Hubbard
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Planetary Radio Live at Planetfest 2012!
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Astronaut Tom Jones at SETIcon
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Planetary Radio Live at the Aquarium of the Pacific
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Fire and Ice With Volcanologist Rosaly Lopes
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Mae Jemison of the 100 Year Starship Initiative
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Lockheed Martin CTO Ray Johnson
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More From the Air and Space Museum
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Live at the National Air and Space Museum
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Remembering Ray
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Cassini Project Scientist Linda Spilker With a Saturn Mission Update
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Author Kim Stanley Robinson Takes Us to 2312
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VIP Tour of a Huge Solar Sail BONUS: Falcon 9 and Dragon Head for the ISS!
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Visiting the Spacecraft Technology Expo
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Planetary Astronomer Franck Marchis
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Cutting-edge Approaches to Protecting Interplanetary Astronauts
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The Pioneer Anomaly... Solved!
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Taking Back the Night -- International Dark Skies Week
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Searching for Pandora With Debra Fischer
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SETI Scientist Jill Tarter Continues the Search
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Big News All Around the Solar System From Emily Lakdawalla
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"Drifting on Alien Winds" With Author and Artist Michael Carroll
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Discovery of a New and Neighborly Asteroid
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Can Laser Bees Save Earth? Exploring Asteroid Deflection With Alison Gibbings
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Alan Stern: Organics on Pluto and Fairy Castles on the Moon
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Alan Stern Puts His Stamp On Pluto
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Rocketplanes, Space Yachts and New Space Geeks at SpaceUp!
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James Webb Space Telescope Status Report from Deputy Program Director Eric Smith
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Planck Project Scientist Jan Tauber on a Mission Milestone
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The SpaceUp Unconference and A Free Online Astronomy Class
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How "Outside In" Will Rock Your Solar System
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Is Anybody Home? Assessing A Planet's Habitability
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Planetary Radio LIVE Continues! With John Callas of the Mars Exploration Rovers and Joy Crisp of the Mars Science Laboratory
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Planetary Radio LIVE! With John Callas of the Mars Exploration Rovers and Joy Crisp of the Mars Science Laboratory
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Astronaut Rex Walheim: NASA Is Looking for a Few Good Spacemen and Women
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Emily Lakdawalla's Special Report on the American Geophysical Union Fall Meeting
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Author Dava Sobel's New Book About Copernicus: A More Perfect Heaven
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New Mexico Space Adventure: Back to the First International Planetary Caves Workshop
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New Mexico Cave Adventure With Penny Boston and the First International Planetary Caves Workshop
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Touring the National Solar Observatory at Sacramento Peak
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New Mexico Journey: Dale Frail of the Very Large Array Radio Telescope
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One Planet, Two Stars, With Laurance Doyle
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A Cassini Saturn Update From Linda Spilker
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All-Star CalTech Panel Discussion: Moving an Asteroid
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Emily Lakdawalla Reports on the Latest Planetary Science
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The Beauty of Space with Space Artists Don Dixon and Jon Ramer
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Building a Better Galaxy With Javiera Guedes
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Ending the World With a Song at Dragon Con
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Opportunity Reaches Endeavour, and Planetary Radio Wins an Award!
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Apollo 15 Astronaut Al Worden
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Flying With Your Telescope to the Edge of Space
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Visiting Vesta Fiesta, With Pablo Gutierrez-Marques of the Dawn Mission
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Two Clouded Mysteries: Jupiter and the Pioneer Anomaly
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Staying in Shape in Space With Astronaut Clay Anderson
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An Optical SETI Update From Paul Horowitz
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Atlantis: Space Shuttle Launch Party
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NBC Space Correspondent Jay Barbree's MOON SHOT
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Leaving for Jupiter with the Juno Mission's Scott Bolton
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The Mystery and Music of Saturn's Rotation with Don Gurnett
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More Planetary Radio Live With Mike Brown
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Planetary Radio Live! Featuring Mike 'Pluto-Killer' Brown
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Scattered Clouds and Fog...On Mars
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Einstein and Gravity Probe B
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Dawn Approaches Giant Asteroid Vesta
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The Moon As You've Never Seen It Before
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Another Cassini Update from Project Scientist Linda Spilker
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Students for the Exploration and Development of Space
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LIFE Heads for Space Aboard Shuttle Endeavour
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Debra Fischer, Discoverer of Worlds
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Cosmic Rants From Phil Plait, the Bad Astronomer
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PI Sean Solomon's MESSENGER is Orbiting Mercury!
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The Sloan Digital Sky Survey Captures the Universe
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Folksinger Peter Mayer Sings of the Cosmos
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Life's Building Blocks Found in an "Impossible" Meteorite
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Stardust-NExT Encounters Comet Tempel 1
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Kepler Discovers Hundreds of Extrasolar Planets!
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Exploring NewSpace at the 2011 San Diego SpaceUp Unconference
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Voyager 1 at the Edge of the Solar System, With Ed Stone
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Tasting a Super-Earth's Atmosphere
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Rafael Navarro-Gonzalez and Chris McKay Say the Vikings Probably DID Discover Organics on Mars
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Microrovers Exploring With Bruce Betts
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Building Spaceships at SpaceX With Jeff Richichi
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Looking Forward to a Year of Exploration, with Emily Lakdawalla
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Cassini's Linda Spilker With Another Report From Saturn
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Bill Nye Visits the SOFIA Telescope
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Mike Brown's New Book: How I Killed Pluto and Why It Had It Coming
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Arsenic and Odd Life
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Kids in Space!
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Astounding Comet Hartley 2
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New Model for the Seas of Mars
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Special Launch Coverage From the Kennedy Space Center
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Lou Friedman: The Rebirth of Russian Space Exploration?
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Return to DPS With Lucy McFadden and Carolyn Crow
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Listening for the Big Bang With LISA
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Special Coverage of the Division for Planetary Sciences Annual Meeting
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Gregory and James Benford on Benford Beacons for SETI
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New Era of Science on the International Space Station
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New Beginnings With Lou Friedman
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Solar Probe Plus Will Fly to the Sun
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Water: Now It Has Been Found on an Asteroid!
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Ray Bradbury Turns 90 and The Best Mars Map Ever
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Special Coverage of SETIcon
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Talking With Mary Roach, Author of Packing for Mars
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The Giant Magellan Telescope
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The Sun - Thief of Comets
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The Eyes of WISE Deliver Sky Survey Prize
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Rosetta Swoops Past Asteroid On Way To Comet
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Looking for E.T.'s Laser Beam: An Optical SETI Update
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Kepler Discovers Hundreds of Exoplanets
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Going Behind the Scenes With LightSail 1
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Dawn is Setting Records On Its Way to Vesta
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Shoemaker NEO Grant Recipients Protecting Our Planet
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Falcon 9 Launch, Another Jupiter Smackdown, IKAROS...and a Surprise
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Phoenix is Dead...Long Live Phoenix!
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James Cameron on the Science of Avatar
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Planetary Society Executive Director Lou Friedman on solar sails IKAROS and LightSail-1
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Saturn Update From Cassini Project Scientist Linda Spilker
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Planetary Radio Live!
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Paul Davies, Author of The Eerie Silence""
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Conference on the Future of the American Space Program with Bill Nye
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It's Mars Rover Opportunity, Only Smarter
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This is Global Astronomy Month
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Alan Stern: The Busiest Man in Space Exploration?
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Saving the Hubble Space Telescope in IMAX 3D
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Your Personal Photoshoot on Mars?
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Stephen Hawking Accepts the Cosmos Award
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100 Millions Solar Systems Like Our Own?
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Can Mirror Bees Save Our Planet?
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Buzz Aldrin and Andrew Chaikin on the Proposed NASA Budget
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Planetary Society's Lou Friedman on NASA's New Plans
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Mars Rover Project Manager John Callas
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Galaxy Builder Andrew Benson
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William Borucki on Kepler's Search for Another Earth
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Celebrating the International Year of Astronomy With Pamela Gay
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Getting WISE With the Universe
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Shedding New Light on Saturn
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Lightsail Update and Haute Cuisine in Space
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The Dish(es): Australia and the Deep Space Network
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A MESSENGER Mercury Mission Update From Sean Solomon
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Celebrating our Anniversary With Arthur C. Clarke
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The Caves of Mars and the Geysers of Enceladus
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We're Back! Bill Nye Describes the LightSail Project
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Celebrating Carl Sagan and a New Solar Sail With Ann Druyan
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Lou Friedman Reviews the Augustine Human Spaceflight Report
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Judging a Planet's Habitability With Abel Mendez
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Former JPL Director Bruce Murray on the Persistence and Importance of Water Ice
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Lunar Smackdown! Special LCROSS Impact Coverage
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Water on the Moon!
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Is This How to Land People on Mars?
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Robert Zubrin Says "Mars Now!"
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Robert Zubrin, 22nd Century Martian
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Mount Wilson After the Fire
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Saturn Update From Cassini Deputy Project Scientist Linda Spilker
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The Meaning of LIFE
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We're on Asteroid Watch With JPL's Don Yeomans
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Astronomer Heidi Hammel on the New Jupiter Impact
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50 Years of Space Spinoffs
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Mars Exploration Rover Project Manager John Callas
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Ray Bradbury Looks Back at Apollo 11
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Andrew Chaikin and Voices From the Moon
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The End of Ulysses -- How Engineers Kept It Alive So Long
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Lunar Reconnaissance Orbiter Project Scientist Richard Vondrak
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Phil Christensen Wants Your Help Imaging Mars
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Earth Observation at the World Resources Simulation Center Design Event
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Alan Stern's Biggest Planetary Science Mysteries
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Chris McKay on the Phoenix Mission's Big Surprise
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New Life for Hubble Space Telescope, New Leader for NASA
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Oldest Bang Since the Big Bang!
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Kepler Begins Search for Other Earths
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A Mars Exploration Rover Update with Project Scientist Bruce Banerdt
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Amateur Astronomers Avoiding Armageddon: New Shoemaker NEO Grant Awardees
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Space Stinks! Astronaut and Author Tom Jones
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A Cassini Saturn Update from Linda Spilker
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Have Spacesuit, Will Travel
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Are There Puddles on Mars?
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Exoplanet Finder Debra Fischer
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Going to Bed for NASA
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Bringing Astronomy to the People With Mike Simmons
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Space Debris Can Ruin Your Day
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Signs of Life? Discovery of Martian Methane Plumes
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Elon Musk of SpaceX
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Diving Europa with the Makers of Under the Sea 3D and Lonne Lane
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Doing Science on the Moon: The Lunar Science Institute
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Return to Jupiter with the Juno Mission
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Celebrate the Mars Rovers With Jim Bell
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Looking for ET's Flashlight: Optical SETI
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Looking Back at the Phoenix Mars Polar Lander With Peter Smith
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Andrew Chaikin on the 40th Anniversary of Apollo 8
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Report on the Annual Meeting of the American Geophysical Union
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Armadillos in Space: Neil Milburn of Armadillo Aerospace
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Martian Ice is Everywhere...Almost
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An Enormous New Eye on the Universe
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Going to the Moon With India!
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Lou Friedman on the Roadmap to Space
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Future American Space Policy, Part 1: President-Elect Barack Obama's Plan
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The Journey To Palomar -- A New Documentary
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Andrew Chaikin's Passion for Mars
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MESSENGER Sails by Mercury for a Second Flyby
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Cassini at Saturn: An Update From Linda Spilker
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Where to Look for Life on Mars
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Public Outreach and Amateurs in Space!
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Ann Druyan on New Honors for Carl Sagan
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Astropulse: A New Way for ET to Phone Home
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Northrop Grumman Space Technology President Alexis Livanos
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The Illustrated Guide to Astronomical Wonders
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Ulysses Mission Operations Manager Nigel Angold on the End of the Solar Polar Journey
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Phoenix Mars Lander Update: Taste the Water!
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Observing Earth With Space Studies Board Chair Charles Kennel
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Why We Need Missions to Earth
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William Hartmann on 100th Anniversary of Tunguska's Big Bang
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Phoenix on Ice: One Week in the Martian Arctic Circle
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Seven Minutes of Terror and Triumph: Phoenix Lands on Mars
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Countdown to Touchdown on Mars
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Turning Moondust Into Air and Water
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The Brightest Light in the Universe
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Billions and Billions of Earthlike Planets?
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Sir Arthur Clarke: A Tribute
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Look Out! It's a Martian Avalanche!
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John Anderson and the Flyby Anomaly
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Astronaut Clay Anderson: Staying In Shape In Space
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Examining the Vision for Space Exploration: A Workshop Preview
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MESSENGER Reveals Mercury
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A Winged MESSENGER Reaches Mercury, and Bill Nye Premieres!
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A Very Good Year: Looking Back at 2007
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Ion Engines Drive Dawn to Asteroids Vesta and Ceres
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Observing Earth: Annmarie Eldering's Eye On Our Atmosphere
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A New Generation Looking for ET
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Stardust@Home Update from Andrew Westphal
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Planetary Radio 5th Anniversary Show: Astronomer Geoff Marcy on Discovery of Fifth Planet in Star System
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Mars Exploration Rover Program Manager John Callas
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To Phobos and Back
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Building the J-2X Rocket Engine for the Return to the Moon
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The Universe in Ultraviolet: Bill Blair on the FUSE Mission
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Mark Showalter: Unraveling the Mysteries of Planetary Rings
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Space Elevator Games and Serious Planetary Science
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Celebrating Sputnik With Louis Friedman in Moscow
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Homer Hickam, the Original Rocket Boy, Revisits His October Sky
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A New Race to the Moon: The Google Lunar X Prize
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Cassini at Weird Iapetus
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The Pioneer Anomaly: Changing the Laws of Physics?
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A Hole In The Universe
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Bill McKinnon and Ices and Seas in the Outer Solar System
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Talking With the NEEMO Aquanauts
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Phoenix is on its way to Mars
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Phoenix Mars Lander Principal Investigator Peter Smith
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Honoring Ray Bradbury, Mars Photographer
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The 7th International Conference on Mars
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A New Dawn for Interplanetary Exploration
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Going South to Look for ET
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Are There Giant Caves on Mars?
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Amateur Astronomers on the Lookout for Near Earth Objects
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Digging for Dollars on the Moon: The Lunar Regolith Challenge
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New Horizons at Jupiter: A Report From Alan Stern
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Studying the Rings With Imke de Pater
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What's New at Saturn? Checking In With Cassini's Linda Spilker
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The Most Earthlike Extrasolar Planet Yet -- A Conversation With Co-Discoverer Stephane Udry
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Science Fiction Author Kim Stanley Robinson Saves Earth!
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Spaceward Bound: Chris McKay Leads Scientists and Teachers in the Mojave Desert
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Cosmology: Five Big Things You Need to Know
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A Sea Under the South Pole of Enceladus?
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Mars Express Confirms Lots of Polar Ice! Where's the Rest?
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Lou Friedman on the International Lunar Decade
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Europe's Rosetta On Its Way to a Comet
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You Can Search for Stardust!
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Lakes on Titan and an International Lunar Decade
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Putting the Universe on Canvas With Astronomical Artist Don Dixon
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Turning the Spotlight to Uranus and Neptune with Heidi Hammel
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John Rummel: Protecting the Planets from Earth Invaders
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Talking With the Top of the World: Stephen Grasby at the Europa Analog on Ellesmere Island
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Bob Pappalardo and the Mysteries of Europa
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A Planetary System That Looks Like Home
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Solving Cosmic Mysteries Deep Under the Earth
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Sending an SOS to Congress: Save Our Science!
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Big Eye in the Martian Sky: Mars Reconnaissance Orbiter Project Scientist Rich Zurek
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The Many Missions of JPL's Kevin Baines
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Rusty Schweickart and More from the International Space Development Conference
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Join Us at the International Space Development Conference
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Help Us Find Star Dust at Home!
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Rob Manning Says Landing on Mars is Hard!
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News from Saturn and a New Companion for Venus
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Looking for Life with Chris McKay
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A Bright New Star in the Search for Extraterrestrial Intelligence
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Oceanographer John Delaney Jumps in Europa's Ocean
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News From the 37th Lunar and Planetary Science Conference
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Harvard Physicist Lisa Randall on Hidden Dimensions and New Universes to Explore
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Europa: Life Beneath the Ice?
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Third Time's the Charm for Dan McCleese and the Mars Climate Sounder
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On the Way to Pluto with New Horizons Principal Investigator Alan Stern
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Has NASA's Vision for Space Exploration Become Nearsighted?
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Closing In On An Interplanetary Mystery: The Pioneer Anomaly
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The Orion Nebula As You've Never Seen It
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A Great Week for Space Exploration
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Stardust Samples Streak Safely Home
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A Special Reprise: The Planetary Society's 25th Anniversary Gala
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Countdown to Sample Return: A Stardust Special
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Still Making a Deep Impact, with Jessica Sunshine
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Uranus and Neptune Take Center Stage With Heidi Hammel
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NASA Administrator Michael Griffin, and Your Ticket to Space
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Lou Friedman on China's Rising Star in Space
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A Martian Anniversary for Spirit and Opportunity!
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Off to Pluto and Its Three Moons with Alan Stern
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Special Edition: Planetary Society's 25th Anniversary Gala
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Peering Down at Huygens: Cassini Revisits Mysterious Titan
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Touring the Planets With Dava Sobel
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Ray Bradbury Returns!
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Venus Express Leaves for Earth's Twin
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Gamma Ray Bursts: Explaining the Universe's Biggest Bangs
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Going Up! Ben Shelef of the Spaceward Foundation on Space Elevator Development
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NASA's Chief Scientist on the Vision for Space Exploration
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Japanese Hayabusa Probe Reaches Asteroid
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The Mars Reconnaissance Orbiter's Project Manager and Project Scientist
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The Pioneer Anomaly: A Mystery in Deep Space
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Amateur Astronomy: Do It Yourself Space Exploration
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A Tour of the Solar System With Bill Hartmann
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Mike Brown, Discoverer of 2003 UB313...Planet 10?
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Author and Four-Time Shuttle Astronaut Tom Jones
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A Year of Saturn Discoveries From Cassini
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NASA Goes for Star Trek Science: Bob Cassanova of the Institute for Advanced Concepts
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Deep Impact Begins to Reveal Comet Secrets
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Space Shuttle Flight Director Talks About Return to Flight
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Deep Impact Special
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Cosmos 1: Solar Sail Special Report
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Solar Sail Countdown
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Move Over Hubble: The Spitzer Space Telescope
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The Threat of Military Space Debris
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Saving Voyager
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Era of Solar Sailing Begins
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Astronomer, Astrobiologist and Fast Pitch Outfielder Woody Sullivan
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Farewell to Star Trek Enterprise
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A Tribute to Philip Morrison
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Mars Express Finds a Frozen Sea
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A Conversation with Sally Ride
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By the Light of a New World
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Genesis Rises From The Ashes With a Piece of the Sun
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A Saturn Update from Cassini's Linda Spilker
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Neil deGrasse Tyson on the Future of Space Exploration
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Chasing Volcanoes Around the Solar System
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Astro Turf: M.G. Lord's New Book About the Private Life of Rocket Science
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John Casani on NASA's Prometheus Project
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NASA's Budget: Good News and Bad News
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Pluto's Diamond Jubilee
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Sami Asmar: The Man Who Told Us The Huygens Probe Made It
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Astronaut Owen Garriott on How to Explore the Solar System
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Director James Cameron Searches for Aliens
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A Visit With Spirit Mission Manager Mark Adler
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Sweet Sound of Success...The Huygens Probe on Titan
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Deep Impact: The Real Thing
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A Year of Roving Across Mars
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Huygens Probe Sets Off On Its Own for Saturn's Moon Titan
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Wes Huntress on the NASA Administrator's Resignation and a New Super Mars Rover
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Deflecting Asteroids Headed Our Way
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IBM Enters SETI@Home's Game
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The Depths of Space: A New Book About the Pioneer Planetary Probes
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Europe's SMART-1 Reaches the Moon!
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Solar Sail Ready for Liftoff
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On The Edge of Science: The NASA Institute for Advanced Concepts
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Black Cats and Other Mysteries--Cassini-Huygens at Saturn's Moon Titan
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Getting Ready for Titan with Chris McKay
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A Conversation With Jet Propulsion Lab Director Charles Elachi
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A Special Planetary Radio: SpaceShipOne Wins the X Prize!
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Former Soviet Space Program Director Roald Sagdeev on the Sputnik 1 Anniversary
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Amateur Astronomers Work to Save the Planet
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SETI@Home Chief Scientist Dan Werthimer Says Sorry, Wrong Number
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Genesis Rises From the Ashes/Planetary Protection
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Billions of Earths?
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Genesis Returns With a Bit of the Sun
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In the Footsteps of Carl Sagan: Neil Tyson of the Hayden Planetarium
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Encore Presentation: Ray Bradbury's 83rd Birthday Party!
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Moonwalker Harrison Schmitt Visits Planetary Radio
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MESSENGER Spacecraft Heads for Mercury
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Thunderbirds Director Jonathan Frakes of Star Trek Fame
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Apollo Astronauts Visit Planetary Radio
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A Visit With NASA Associate Administrator Ed Weiler
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Cassini-Huygens Reaches Saturn
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A SpaceShipOne Special!
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Cassini Visits Phoebe at Saturn!
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Donna Shirley and Science Fiction's New Home
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How's the Weather on Mars?
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Hunting for Extrasolar Planets
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A Teenager in Space?
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SETI@Home Turns Five!
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Opportunity Reaches Endurance Crater on Mars
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Charley Kohlhase: Engineer, Artist, Cassini Mission Designer
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Ray Bradbury Returns!
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Magnets Roving on Mars
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Celebrate With The Mars Exploration Rover Team
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Life on Mars...and Earth
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A Salty Sea on Mars
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Far Out Sedna
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Defending Earth From Asteroids
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Confirmed: Water Was on Mars!
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Jim Bell, The Pancam Man!
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RATs, Astrobots, and a Six Iron on the Moon!
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Stardust Status Report
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The Astrobots are Back on Our Show!
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Mars Exploration Rover Flight Director Chris Lewicki
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Opportunity Lands and Hope Builds for Spirit
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The First Student Astronauts Arrive
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Spirit Lands on Mars!
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Columbia's Aftermath: "Butterfly on a Bullet"
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Steve Squyres Is Ready for Mars
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Mars Exploration Rover Update
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Women in Space
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A Wes Huntress Encore for the Beginning of Our Second Season
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One year of Planetary Radio
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The Planetary Society's Red Rover Goes To Mars Project with Emily Lakdawalla
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Moon Rocks, Martian Meteorites and More at the NASA Astromaterials Lab
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A South African Teen Joins the Student Astronauts
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The Planetary Society Goes to Washington
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China Joins the Spacefaring Nations Club
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To The Moon With the Lunar Prospector
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The Moon, Ion Engines, and Helium 3 ...What More Could You Want?
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A Gala Evening With Galileo and His Daughter
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Claudia Alexander, the Final Galileo Project Manager
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Holographic Doctors and Galileo's Daughter: A Visit With Robert Picardo
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A Traveler's Guide to Mars
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A Martian Birthday Party for Ray Bradbury
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Four Decades of Mars Exploration
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SMART-1 Goes to the Moon
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The Envelope Please: Choosing the 2007 Mars Scout Mission, Part 2
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The Envelope Please: Choosing the 2007 Mars Scout Mission, Part 1
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From Russia With Love: A Solar Sail Update
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Pluto Will Finally Get a Visitor
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An Encore for Sir Arthur and Another New Extrasolar Planet
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Bill Nye the Science Guy and Sandy Moondust!
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Joy Crisp is On Her Way to Mars
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Society President Wes Huntress and a Little Guy Named Biff""
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High Flyin', Cave Divin' Planetary Science with Dan Durda
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Phil Christensen Explores Mars in the Infrared
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Journey to the Center of the Earth!
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Getting a Rover's-Eye View of Mars
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Columbia Experiment Recovered!
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Looking Back: Jurrie van der Woude's 37 years at JPL
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Return to Mars: Two Rover Landing Sites Chosen
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A Microphone on Mars?
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Deep Space 1 / ET Phones Home!
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Masters of Science Fiction
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A Visit With Sir Arthur C. Clarke
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SETI@home Aims Arecibo at the Best ET Candidates
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Life in the Extreme
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Cool Science: Ice on Europa and Mars
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The Volcanoes of Io
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Optical SETI Has an Eye for Extraterrestrial Messages
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100 Extrasolar Planet Candidates...and Counting!
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Special Live Edition of Planetary Radio: The Loss of Space Shuttle Columbia
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A Renaissance Space Man: Dr. William Hartmann Talks About His Novels, Art and Research
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Another Benefit of Space Science? Shuttle Experiment Offers Glimmer of Hope in the Mideast
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A Microwave Push to the Stars?
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Earth Shattering Impacts
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Star Trek Science
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Interview with Freeman Dyson
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Planetary Radio Looks at SETI
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Interview with Bruce Betts
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Interview with Louis Friedman
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Fler poddar
Podcasten Planetary Radio: Space Exploration, Astronomy and Science är skapad av The Planetary Society. Podcastens innehåll och bilderna på den här sidan hämtas med hjälp av det offentliga podcastflödet (RSS).
En liten tjänst av I'm With Friends. Finns även på engelska.