On This Day: Voyager 2 makes closest pass of Neptune
Aug. 25 (UPI) -- On Aug. 25, 1989, Voyager 2, after a 4 billion-mile journey, made its closest pass over Neptune, sending back images of southern lights and its moon, Triton, to Ea…
Aug. 25 (UPI) -- On Aug. 25, 1989, Voyager 2, after a 4 billion-mile journey, made its closest pass over Neptune, sending back images of southern lights and its moon, Triton, to Ea…