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: Celebrating a decade since the Pluto flyby

New Horizons Principal Investigator Alan Stern joins us to celebrate the Pluto flyby’s 10th anniversary, with updates from planetary scientist Adeene Denton and Planetary Society Director of Government Relations Jack Kiraly. Plus, a look at Arrokoth in What’s Up with Bruce Betts.

Kiss-and-capture: The dance of Pluto and Charon

How did Pluto meet its largest moon, Charon? Adeene Denton, a research scientist at the University of Arizona, suggests a "kiss-and-capture" may solve this mystery.

Splat or subsurface ocean? The mysterious positioning of Pluto’s heart

This week we discuss recent research on the origins of Pluto’s heart and what it can tell us about whether or not the dwarf planet has a subsurface ocean with Adeene Denton from the University of Arizona.