The ice fountains of Enceladus Fountains of water ice blast thousands of kilometres above the surface of Saturn's tiny moon Enceladus. It is thought that the pull of Saturn's powerful gravity distorts the moon and heats the interior, forming an undergrou
This iconic image from the Cassini spacecraft reveals the rings from the night side. Saturn is backlit by the Sun. The pale blue dot on the left, just inside one of the rings, is distant Earth. Photo credit: Cassini/NASA via Astronomy Picture of the Day.