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Gaps in Saturn's RingsWeek of March 10, 1997![]()
The Encke division, on the other hand, is the result of a direct sweeping of a small satellite located inside the gap. It actually pulls particles out of its way as it orbits Saturn, leaving a gap in the rings! I remember when I was a kid, thinking about Mimas clearing a gap. I thought to myself, "What if a particle has an orbit one-third of Mimas' period? Would it get cleaned out too? How about one-fifth, or tenth?" Oh, how I wish I had asked a professional astronomer! When the Voyager probes went to Saturn, they discovered that the main rings of Saturn are actually divided into thousands of tiny ringlets! I could have been famous! Oh well. Who wants to have something named after them that isn't there?
If you are ever looking for info on anything in the solar system, you should always start at Bill Arnett's Nine Planets site. An excellent summary of science done by the Voyager missions can be found courtesy of the Jet Propulsion Laboratory. More good Saturn ring information can be found at the National Air and Space Museum's Saturn page.
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