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Podcast: Walkabout the Galaxy
Episode: Rings Around a Comet, Betelbuddy, and Odd Jupiter Moons
Description: These rings aren't around Uranus, they're somewhere even more odd. We discuss the mysterious and changing ring system around the Centaur object Chiron, new clues about the origin of the solar system from the irregular moons of Jupiter, and the puzzling stellar companion to Betelgeuse. Plus, top quark Jim Cooney stumps us with trivia.