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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The High Frontier: A New Documentary About Gerard K. O’Neill

Gerard K. O’Neill envisioned vast, magnificent human settlements in space. His followers, including Jeff Bezos, are working to turn his vision into reality.