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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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Mike Simmons, Olayinka Fagbemiro, and Mat Kaplan

Planetary Radio

Astronomers Without Borders

The founder of Astronomers Without Borders brings the organization’s leader in Nigeria to the Planetary Radio microphones.

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