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Image Gallery > Image of the Week: September 11, 2007

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Saturn's Moons 
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Countless impact craters scar the icy surface of Iapetus, one of the moons of Saturn, in this September 10 image from the Cassini spacecraft. This image was snapped at a distance of just more than 800 miles (1,300 km) during Cassini's closest approach to Iapetus to date. [NASA/JPL/SSI]

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