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Episode 157: A Ringed Moon

Play Apr 24•4:28

NASA's Cassini spacecraft has found evidence of material orbiting Rhea, Saturn's second largest moon, which means Rhea could have rings. This is the first time rings have potentially been found around any moon. Astronomers speculate that a collision in the moon's distant past led to the rings' formation. Cassini Mission Web page. Solar Views' information on Rhea. The Planetary Society on R...

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