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Stories, updates, insights, and original analysis from The Planetary Society.

Planetary Radio: The Gemini Planet Imager

It's very nice to infer the existence of planets circling other stars. It's even better to see them. This new instrument has just become the most powerful exoplanet viewer yet created.

Planetary Radio: NEOWISE PI Amy Mainzer

NEOWISE has reawakened to discover many more asteroids and comets. The mission leader thanks the amateur astronomers who follow up on these discoveries.

Planetary Radio: Comet ISON, Rest in Pieces

Karl Battams of NASA's Comet ISON Observing Campaign is our guest on this week's show. He explains how ISON really did become the comet of the century for scientists.

Planetary Radio: Rise of the Europa Underground?

This week's PlanRad talks to one of the creators of a new effort to build support for the Europa Clipper, a spacecraft that would tell us far more about what's going on under that icy moon's surface.

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