Diagram of the solar system, showing Voyager 1’s path from Earth (launch 5 Sept 77), curving past Jupiter (5 Mar 79), Saturn (12 Nov 80), and then out into space; and Voyager 2’s path from Earth (launch 20 Aug 77), curving past Jupiter (9 July 79), Saturn (25 Aug 81), Uranus (24 Jan 86) and Neptune (25 Aug 89).