Voyager 2 launched on Aug. 20, 1977, about two weeks before the Sept. 5 launch of Voyager 1. Why the reversal of order? The two were sent on different trajectories, and Voyager 1 was put on a path to reach its planetary targets, Jupiter and Saturn, ahead of Voyager 2.
Voyager 2 launched on Aug. 20, 1977, about two weeks before the Sept. 5 launch of Voyager 1. Why the reversal of order? The two were sent on different trajectories, and Voyager 1 was put on a path to reach its planetary targets, Jupiter and Saturn, ahead of Voyager 2.
Image credit: NASA/JPL-Caltech