What Is Cassini?-
Cassini is a robotic spacecraft that has arrived at Saturn on July 1, 2004 Universal Time, and to orbit the planet for four years. They went to Titan (Saturn's largest moon)in 2004.
Cassini is now obseving Jupiter. Cassini is the 4th people to vist Saturn and the 1st to enter an orbit. The spacecraft landed on Saturn on 15-10-1997 and they went into an orbit in 1-7-2004. Almost a decade after Cassini entered a orbit NASA showed that there was a underground ocean water in Saturns moon that Cassini had found.