Little Moons: The irregularly-shaped moon Janus (181 kilometers, or 113 miles across) and the small ring moon Atlas (32 kilometers, 20 miles across) had just emerged from the darkness of Saturn's shadow when Cassini caught this view of the two moons.
Backlit Saturn - Seen from the Cassini SpacecraftThe Cassini spacecraft was sent by NASA and ESA to study Saturn and its moons. Two of Saturnu2019s moons, Enceladus and Tethys, appear in the bottom right of this image. So far, the spacecraft has found new storm systems on Saturn, active geysers on its moon Enceladus, liquid oceans on its moon Titan, and many other unexpected discoveries. A
This spectacular image reveals Phobos, one of the two moons orbiting Mars (the other is Deimos), silhouetted against the Martian surface (shown). Although Phobos is the larger of the two moons, it is still only about 14 miles (22km) across, and completes an orbit of Mars once every seven Earth hours. The odd colour of Mars is due to the specific filters used by the camera