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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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Northern summer global view of Mars from Mars Orbiter Mission

Planetary Radio

Citizen Science: Join the search for Martian clouds

Scientists need your help identifying clouds high above the surface of the red planet. The goal is to figure out where Mars’ water went.

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