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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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Planetary Radio

A Bright New Star in the Search for Extraterrestrial Intelligence

Paul Horowitz talks about his new attempt to detect pulses of laser light from distant civilizations with the Optical SETI Dedicated Observatory.

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