Latest / Planetary Radio: Space Exploration, Astronomy and Science

NASA's Chief Scientist on the Vision for Space Exploration
NASA's Jim Garvin comments on the agency's just announced plans for human exploration and new spacecraft. Also Lou Friedman, Q&A on craters throughout the solar system, and Bruce Betts with a new What's Up contest.Learn more about your ad choices. Visit megaphone.fm/adchoices
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The skinny
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