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AaS! 7: How Do We Know That Dark Matter Exists?

30 min•21 april 2015

How do we know that dark matter exists? Are you sure that scientists aren't just making things up because they're lazy? What makes it dark anyway? I discuss these questions and more in today's Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: https://www.pmsutter.com/books

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman, Twitter@PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

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AaS! 274: Is Dust the Best Thing in the Universe?
•27 min
AaS! 273: What if the Universe Had No Beginning?
•30 min
AaS! 272: Are Neutrinos Their Own Evil Twins?
•35 min
AaS! 271: What Happens When Light Goes Boom?
•22 min
AaS! 270: Is the Universe…Defective?
•29 min
AaS! 269: Why Are Interstellar Objects So Weird?
•27 min
AaS! 268: What are Little Red Dots?
•32 min
AaS! 267: Is the Universe Older than We Think?
•28 min
AaS! 266: Is the Universe Made of Math?
•31 min
AaS! 265: Does Antimatter Fall Up?
•28 min

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