Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our solar system and beyond. The full show archive is available for free.
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A New Race to the Moon: The Google Lunar X Prize
More from ISDC, including Apollo astronaut Rusty Schweickart on asteroid deflection, Elon Musk of SpaceX, and X Prize Foundation's Peter Diamandis.
NASA Administrator Michael Griffin, and Your Ticket to Space