A unmanned spacecraft launched in 1997 called Cassini arrived at Saturn in 2004. After, its last flyby of one of Saturn's moons on April 21st Cassini, was prepared for what mission planners called mission planners are called its "Grand Finale." On April 22, 2017, a final flyby of Cassini was sent through the gap between Saturn and the inner ring. The spacecraft came within the cloud on jupiter and 200 miles of the most visible edge of its ring. As it has never been done before mission managers took the most precaution to complete the mission. The satellite of the spacecraft was used as a shield oriented in the direction of the rings because the were worries small particle could disable the spacecraft. Since, the antenna was used for a different
