Callisto : Moon of Jupiter - Callisto is another of Jupiter's moons and one of the four Galilean moons. It is the third-largest moon in the Solar System and the second-largest in the Jovian system, after Ganymede -
The weekend is nearly here, but before we let you go, you’re going to get a cavalcade of glorious Jupiter images as a wonderful treat.
Jupiter and Three Galilean Satellites- Jupiter, its Great Red Spot and three of its four largest satellites are visible in this photo by Voyager Io, Europa, and Callisto are seen against Jupiter's disk.
“The icy surface of Europa is shown strewn with cracks, ridges and chaotic terrain, where the surface has been disrupted and ice blocks have moved around,” according to NASA. - Courtesy of NASA/JPL/University of Arizona