Three Moons

3MoonsThe Cassini spacecraft has sent us this family photo of three of Saturn’s moons that are different from each other. The largest of the three, Tethys is round and has a variety of terrains across its surface. Hyperion (to the upper-left of Tethys) is the “wild one” with a chaotic spin, and Prometheus (lower-left) is a tiny moon that busies itself shepherding the F ring.

Image Credit: NASA

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