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The Great Dark Spot in exaggerated color as seen from Voyager 2. The Great Dark Spot (also known as GDS-89, for Great Dark Spot, 1989) was one of a series of dark spots on Neptune similar in appearance to Jupiter's Great Red Spot. In 1989, GDS-89 was the first Great Dark Spot on Neptune to be observed by NASA's Voyager 2 space probe.
Astronomers have used telescope data to color-correct Voyager 2 images of Neptune and Uranus, revealing that the planets have a similar greenish blue hue.
The Small Dark Spot (sometimes called Great Dark Spot 2 or Wizard's Eye) was another vortex observed by Voyager 2 in its 1989 pass of Neptune. This spot is located approximately 30° further south on the planet and transits the planet once every 16.1 hours. [36] The Small Dark Spot's distinct appearance comes from white methane-ice clouds which ...
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Astronomers have observed a mysterious large dark spot in Neptune’s atmosphere, along with a bright feature that has never been spotted before. Mysterious dark spot detected on Neptune Skip to ...
We love Juno’s stunning photos of Jupiter’s Great Red Spot, but when it comes to giant storms, the Great Red Spot has some stiff competition.
Voyager 2 discovered an anticyclone dubbed the Great Dark Spot, similar to Jupiter's Great Red Spot. However, images taken by the Hubble Space Telescope in 1994 revealed that the Great Dark Spot had disappeared. [7] Also seen in Neptune's upper atmosphere was an almond-shaped spot designated D2 and a bright, quickly moving cloud high above the ...
Researchers gazing through NASA's hardworking, time-bending Hubble space telescope spotted a new storm brewing on Neptune last month. As the space agency confirmed today, research astronomers ...