David Morrison of NASA's Lunar Science Institute and Jack Gregg on the Lunar Regolith Challenge

From Planetary Radio: Space Exploration, Astronomy and Science The Planetary Society

Distinguished scientist David Morrison of NASA's Lunar Science Institute, while Jack Gregg heads speaks about the 2nd Lunar Regolith Challenge.Learn more about your ad choices. Visit megaphone.fm/adchoices

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David Morrison of NASA's Lunar Science Institute and Jack Gregg on the Lunar Regolith Challenge

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