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Planetary Radio Episodes
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.
From Earth to the Edge of the Universe: A New Edition of “The Cosmos”
Astronomers Jay Pasachoff and Alex Filippenko join us for a conversation about their newest version of their monumental textbook,