The Sky at Night — Episode 3: Strangers in the Night

You are watching the episode Strangers in the Night Comets are thought to come from the Kuiper Belt beyond Pluto and the Oort Cloud at the very edge of our solar system. Little is known about this dark, far away home for comets. Patrick Moore debates the mysterious belts and the wandering strangers which escape from them. Also, the latest news from Mars, Saturn and the farthest regions of our Universe.