30 Years Ago: Voyager 2’s Historic Neptune Flyby | NASA

Neptune as taken from NASA's Voyager 2 Thirty years ago, on Aug. 25, 1989, NASA's Voyager 2 spacecraft made a close flyby of Neptune, giving humanity its first close-up of our solar system's eighth planet. Marking the end of the Voyager mission's Grand Tour of the solar system's four giant planets — Jupiter, Saturn, Uranus and Neptune … Continue reading 30 Years Ago: Voyager 2’s Historic Neptune Flyby | NASA


Solar System Exploration – Neptune

Neptune was discovered in 1846, the credit of discovery is split between Urbain Le Verrier and John Couch Adams. Both these astronomers used permutations in the orbit of Uranus to locate Neptune before observing it.  Neptune is the only planet to have been discovered from mathematical computation rather than direct observation. Although Galileo had observed Neptune … Continue reading Solar System Exploration – Neptune

Neptune’s shrinking storm watched by Hubble

  Hubble is taking amazing pictures of the outer planets, images that can only be beaten with close range spacecraft (See below). These images are showing that over the years since Voyages flyby the Great Dark Spot that it photographed is almost gone. The reason for this shrinking isn't clear but it gives us a … Continue reading Neptune’s shrinking storm watched by Hubble