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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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Return to Mars: Two Rover Landing Sites Chosen
Matt Golombek tells us about the Mars Exploration Rover landing site selection process and the exciting destinations just chosen. What objects hold the solar system's speed record? We'll find out from Emily.
100 Extrasolar Planet Candidates...and Counting!
100 Extrasolar Planet Candidates...and Counting!