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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New Horizons PI Alan Stern on the mission to Pluto, and discovery of 2 new moons. Q&A: movies from rocket launches. New trivia contest.
Pluto's Diamond Jubilee
Pluto Will Finally Get a Visitor