Saturn's icy satellite Mimas is the Rick Astley of moons. It got one huge hit* and that's all it's been known for ever since. But the Cassini Saturn probe sometimes sees things a little differently, and recently provided us with a sideways view of Mimas. Literally.
[Click to rickrollenate.] On January 31, 2011, Cassini snapped this picture of the moon with the planet's rings in the background. I really like this shot, since we see Mimas's giant impact crater from the side. I don't think I've ever seen it quite this way before.
A long time ago, Mimas got hit pretty hard with something pretty big. The apocalyptic impact carved a crater 130 km (80 miles) across in the moon, which we now call Herschel. In most pictures we see it from an angle and Mimas winds up looking an awful lot like the Death Star. But in the big ...
