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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.
Where did Earth’s water come from? Clues hidden in Apollo Moon dust
Scientists are using Apollo Moon dust to trace where Earth’s water came from and how our planet became habitable. Planetary scientist Tony Gargano explains how lunar samples reveal the history of ancient impacts, with a short bonus reflection from George Takei on Star Trek and the Artemis era.