We are less than a month from the start of the Grand Finale. Cassini's final 22 orbits will take the long-lived mission into previously unexplored space. Here's all you need to get ready for our epic end game.
In its season of "lasts," NASA's Cassini spacecraft made its final close approach to Saturn's moon Mimas on January 30, 2017. At closest approach, Cassini passed 25,620 miles (41,230 kilometers) from Mimas.