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Groovy Science

Cassini gets the skinny on Saturn's rings

By
10:24am, November 14, 2005

By July 1610, Galileo Galilei had already viewed Jupiter and its large moons, watched mysterious dark spots march across the sun, and studied craters on the moon. But when he turned his small, homemade telescope toward Saturn, Galileo was flummoxed. Unlike any other known planet, Saturn appeared to be a bright body closely flanked by two dimmer ones.

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