December 4, 2012

Saturn's Rings May Double as Moon Factory

Lisa Grossman, NewScientist

AP Photo

Many of the moons in the solar system could have been spawned from giant rings around planets. According to a new model, Saturn, Uranus, Neptune and even the Earth may have once had ring systems that gave rise to satellites.

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TAGGED: Moons, Saturn's Rings, Saturn's Moons