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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.
Neptune is the eighth and farthest known planet from the Sun. It is the fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It is 17 times the mass of Earth. Compared to its fellow ice giant Uranus, Neptune is slightly more massive, but denser and smaller.
Three of Neptune's moons—Proteus, Nereid, and Triton—were photographed in detail, of which only the last two had been known prior to the visit. Proteus proved to be an ellipsoid, as large as gravity allows an ellipsoid body to become without rounding into a sphere, and appeared almost as dark as soot in color.
It's time for more color-coded charts, resolution lists, and savings goals! All of this should sound like music to your earth sign ears. Mars, the planet of action, is in retrograde this month.
A giant planet, sometimes referred to as a jovian planet (Jove being another name for the Roman god Jupiter), is a diverse type of planet much larger than Earth. Giant planets are usually primarily composed of low-boiling point materials (), rather than rock or other solid matter, but massive solid planets can also exist.
The following other wikis use this file: Usage on af.wikipedia.org Neptunus; Aardmassa; Usage on bar.wikipedia.org Neptun (Planet) Usage on be.wikipedia.org
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