The moons of Saturn


Matt Williams


Saturn’s Inner Large Moons, which orbit within the E Ring (see below), include the larger satellites Mimas, Enceladus, Tethys, and Dione. Large Outer Moons: The Large Outer Moons, which orbit outside of the Saturn’s E Ring, are similar in composition to the Inner Moons – i.e. composed primarily of water ice and rock. The surface of Hyperion is covered with numerous impact craters, most of which are 2 to 10 km in diameter. The moons of Saturn, from left to right: Mimas, Enceladus, Tethys, Dione, Rhea; Titan in the background; Iapetus (top) and Hyperion (bottom). All have prograde orbits that range from 11.1 to 17.9 million km, and from 7 to 40 km in diameter.


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