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Saturn's Rings Formed From Large Moon Destruction
Matt_dk writes "The formation of Saturn's rings has been one of the classical if not eternal questions in astronomy. But one researcher has provided a provocative new theory to answer that question. Robin Canup from the Southwest Research Institute has uncovered evidence that the rings came from a large, Titan-sized moon that was destroyed as it spiraled into a young Saturn."
This is a really interesting model and it has a nice ring to it. (And Robin is one of the best researchers I know in this area, so that adds confidence, too.) But can we not use the definite statements in the headlines? This is a model. A good model, to be sure, but just one. I've definitely seen work even recently that makes a comet origin seem plausible, so in the very least, there's a competing model that has to be answered.