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We ask about diamond rain, frozen seas, and why Earth is the only planet sustaining life.
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Christina Hammock Koch is no stranger to creating history. She set a record for the longest single spaceflight by a woman, with a total of 328 days in space and participated in the first all-female spacewalks.
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Ariel Waldman presents stories from Astronauts who've been to Space. We speak with this self described "space exploration" hacker.