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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ALMA Adventure

The first of two shows about Mat Kaplan's journey to Chile's Atacama Desert for the inauguration of the Atacama Large Millimeter small millimter Array, the most ambitious, Earth-based astronomy project in history.

The Gigantic ALMA Radio Telescope in Chile

ALMA will make sharper images than the Hubble Space Telescope, yet it’s a radio telescope! ALMA scientists Alison Peck and Al Wooten tell us about this array of 66 huge dishes in Chile’s Atacama desert.