The Great Dark Spot: Neptune’s Tempest

  1. The Great Dark Spot is a massive storm system on Neptune, similar to Jupiter’s Great Red Spot.
  2. It was first observed in 1989 by NASA’s Voyager 2 spacecraft.
  3. The storm was nearly as large as Earth, spanning about 6,000 miles.
  4. Unlike Jupiter’s storm, Neptune’s Great Dark Spot vanished within a few years.
  5. Hubble Space Telescope later discovered new dark spots forming on Neptune.
  6. These storms are thought to be high-pressure systems deep in Neptune’s atmosphere.
  7. Winds within the storm reached speeds of up to 1,500 miles per hour.
  8. The Great Dark Spot revealed Neptune’s dynamic and changing weather.
  9. It was accompanied by bright white methane-ice clouds nearby.
  10. The fleeting nature of these spots shows Neptune’s atmosphere is highly active and unpredictable.