Contact: Diana Lutz
dlutz@wustl.edu
314-935-5272
Washington University in St. Louis
Caption: In 2007 Cassini flew within a few thousand kilometers of Iapetus's surface to take this dramatic picture of the ridge. A movie of the flyby is available at the NASA site devoted to Saturn.
Credit: NASA/JPL/SSI
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Related news release: How Iapetus got its ridge