Mimas

Mimas, also known as Saturn I, is a natural satellite of the outer planet, Saturn. The moon was discovered on September 17, 1789 by the British astronomer William Herschel.

Surface Features
The surface of Mimas was examined several times by orbiters. The moon has an extremely rocky surface, showered with craters. It has a giant crater known as Herschel, which gives it the appearance of the Death Star from Star Wars.