Mimas
The "Death Star"
Mimas is the seventh moon of Saturn. Mimas was one of the Titans slain by Hercules. It was discovered in 1789 by an astronamer named Herschel. The crater that dominates its surface is named after him. The crater was caused by SOMETHING striking the surface at a very high speed. Its almost 1/3 of the diameter of the entire moon. The walls are about 5km high and parts of the floor are 10km deep. Whatever hit it must have nearly destroyed the moon as fractures can be seen on the opposite side. Out of all of the moons of all of the planets, I found this one to be the coolest. If you compare our Moon and Mimas, our moon got birthday licks and Mimas got a mafia beatdown! Craterwise that is...