Photos: Moons over Saturn

Photos: Moons over Saturn

Summary: The Cassini spacecraft delivers some new photos of the ringed planet's unusual moons.

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TOPICS: Nasa / Space
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  • Enceladus plume

    Jets of icy particles burst from Enceladus, one of Saturn's moons, on Nov. 27, 2005. This striking image is one of a number shown off by researchers at a Dec. 5, 2005, meeting in San Francisco of the American Geophysical Union.

  • four-moon montage

    This montage shows four major icy moons that the orbiter Cassini visited while surveying the Saturnian system during 2005. A large number of craters on Rhea and Iapetus suggests that those moons have been most exposed to meteors. Dione appears to have smoother regions, with the lower number of craters suggesting a slightly younger surface; a large system of fractures indicates tectonic activity. A region near the south pole of Enceladus is strangely devoid of impact sites; scientists suspect it was geologically active in the recent past.

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Topic: Nasa / Space

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