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Unformatted text preview: William Herschel discovered two further moons, Mimas and Enceladus . The irregularly shaped satellite Hyperion , which has a resonance with Titan, was discovered in 1848 by a British team.  In 1899 William Henry Pickering discovered Phoebe , a highly irregular satellite that does not rotate synchronously with Saturn as the larger moons do.  Phoebe was the first such satellite found and it takes more than a year to orbit Saturn in a retrograde orbit . During the early 20th century, research on Titan led to the confirmation in 1944 that it had a thick atmospherea feature unique among the solar system's moons....
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- Fall '10