After nearly 13 years in orbit around Saturn, the international Cassini–Huygens mission is about to begin its final chapter: the spacecraft will perform a series of daring dives between the planet and its rings, leading to a dramatic final plunge into…
http://www.esa.int/Our_Activities/Space_Science/Cassini-Huygens/Countdown_to_Cassini_s_Grand_Finale