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.

The disappearing act of Saturn's young rings

Richard Durisen and Paul Estrada join Planetary Radio to discuss their research on the surprisingly recent formation of Saturn's rings and why they are disappearing over time.