Aug. 22, 1989: Voyager 2 reveals Neptune

On Aug. 20, 1977, Voyager 2 launched from Cape Canaveral and began its epic journey to the outer planets – and beyond. Twelve years later, the spacecraft photographed Neptune as it approached the ice giant. Two days after that, on Aug. 22, 1989, NASA announced that Neptune had a ring system; the images had revealed Continue reading "Aug. 22, 1989: Voyager 2 reveals Neptune" The post Aug. 22, 1989:…