Planetary Radio: Space Exploration, Astronomy and Science

It's Hot! Plutonium 238 is Back

Planetary Radio: Space Exploration, Astronomy and Science

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 See omnystudio.com/listener for privacy information. See omnystudio.com/listener for privacy information.

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