Planetary Radio: Space Exploration, Astronomy and Science
It's Hot! Plutonium 238 is Back
32 min•28 oktober 2013
Om avsnittet
Casey Dreier tells the winding tale of Plutonium 238, the radioactive isotope that is vital for exploration of the solar system. The US came dangerously close to exhausting its supply. Even with production restarted, there are major challenges facing explorers. Learn more about your ad choices. Visit megaphone.fm/adchoices
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