... Credit Copyright: Cassini Imaging Team , SSI , JPL , ESA , NASA Explanation: Orbiting in the plane of Saturn's rings , Dione and the other icy saturnian moons have a perpetual ringside view of the gorgeous gas giant planet. ... The rings themselves can be seen slicing across the bottom of this Cassini snapshot . ... Pale Dione , in the foreground, is about 1,100 kilometers across and orbits over 300,000 kilometers from the visible outer edge of the A ring. ... NASA Official: Jay Norris. ...