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“Exploration is in our nature.” - Carl Sagan

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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Artist concept of Moon Express MX-9 Sample Return Ascent

Planetary Radio

Bob Richards of Moon Express

Moon Express Founder and CEO Bob Richards shares an inspiring vision for a return to the Moon. It includes introduction of a sophisticated line of robotic spacecraft, the first of which may make a soft landing next year.

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