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.

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Space Policy Edition: The Moral Case for Space Science

Why do we explore space? In this Space Policy Edition rerun, Casey Dreier speaks with philosopher Dr. J. S. Johnson-Schwartz about why space science is a moral obligation, beyond economics or prestige.

Space Policy Edition: Our Moral Obligation to Explore Space

Philosopher James Schwartz shares his thoughts about the ethics of space exploration, commercialization, and settlement.