The Many Moons of Saturn
NASA's Cassini probe flies by a Saturn moon.
Setting Your Sights on Saturn
This stunning close-up view shows mountainous terrain that reaches about 6 miles high along the unique equatorial ridge of Iapetus. The view was acquired during Cassini's only close fly-by of the two-toned Saturn moon. Above the middle of the image can be seen a place where an impact has exposed the bright ice beneath the dark overlying material. (NASA/JPL/Space Science Institute)
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