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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The Mars Reconnaissance Orbiter's Project Manager and Project Scientist

MRO Project Manager Jim Graf and Project Scientist Rich Zurek introduce us to their powerful new spacecraft. Running out of big Near Earth Objects on Q&A, and we get Lost In Space