A lone explorer, on a mission to reveal the mysteries of Saturn, its rings and moons, our Cassini mission is coming to an end after 20 years. But before the spacecraft plunges into the planet in September, it will complete a daring set of orbits between Saturn and its rings. Take a tour of its journey so far and where it has yet to travel: youtu.be/xrGAQCq9BMU Credit: NASA/NASAJPL NASA NASAJPL #nasacassini #spacesaturday (Video has no sound.)