Gravity measurements by NASA's Cassini spacecraft and Deep Space Network suggest that Saturn's moon Enceladus, which has jets of water vapor and ice gushing from its south pole, also harbors a large interior ocean beneath an ice shell.
NASA's Cassini spacecraft captures a still and partially sunlit Enceladus. The Saturnian moon is covered in ice that reflects sunlight similar to freshly fallen snow, making Enceladus one of the most reflective objects in the solar system.
Like a proud peacock displaying its tail, Enceladus shows off its beautiful plume to NASA's Cassini spacecraft's cameras. Enceladus (313 miles, or 504 kilometers across) is seen here illuminated by light reflected off Saturn.
This mosaic shows an updated global map of Saturn's icy moon Enceladus, created using images taken during flybys of NASA's Cassini spacecraft. The map incorporates new images taken during flybys in December 2011.
The brightly reflective moon Enceladus appears before Saturn's rings while the larger moon Titan looms in the distance. Jets of water ice and vapor emanating from the south pole of Enceladus (hinting at subsurface sea rich in organics).
A crescent Enceladus appears with Saturn's rings in this view of the moon from NASA's Cassini spacecraft. The famed jets of water ice emanating from the south polar region of the moon are faintly visible here.
NASA's Cassini spacecraft captures a crescent of Saturn's moon Enceladus. Lit terrain seen here is in the area between the leading hemisphere and Saturn-facing side of Enceladus (504 kilometers, or 313 miles across). North on Enceladus is up.