sign up (free!)
Enceladus, one of Saturn's moons. The Cassini spacecraft captured an image of plumes originating from the south pole of the icy moon with a very clear signature of small ice particles. There is possible evidence of Yellowstone-like geysers fed by reservoirs of liquid water.
NASAu2019s Hubble Finds Plutou2019s Moons Tumbling in Absolute Chaos
The surface area of Saturn's moon Mimas is slightly less than the land area of Spain and is composed of water ice with only a small amount of rock. Yet Saturn's resonances with Mimas, and Mimas' resonances with other orbiting satellites are instrumental in the formation of Saturn's rings.