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  2. Neptune - Wikipedia

    en.wikipedia.org/wiki/Neptune

    Neptune's atmosphere is faintly blue in the optical spectrum, only slightly more saturated than the blue of Uranus's atmosphere. Early renderings of the two planets greatly exaggerated Neptune's colour contrast "to better reveal the clouds, bands and winds", making it seem deep blue compared to Uranus's off-white.

  3. Exploration of Neptune - Wikipedia

    en.wikipedia.org/wiki/Exploration_of_Neptune

    [example needed] The data from Voyager 2 are still the best data available on this planet in most cases. [citation needed] The exploration mission revealed that Neptune's atmosphere is very dynamic, even though it receives only three percent of the sunlight that Jupiter receives. Winds on Neptune were found to be the strongest in the Solar ...

  4. Triton (moon) - Wikipedia

    en.wikipedia.org/wiki/Triton_(moon)

    Triton is the largest natural satellite of the planet Neptune. It is the only moon of Neptune massive enough to be rounded under its own gravity and hosts a thin, hazy atmosphere. Triton orbits Neptune in a retrograde orbit—revolving in the opposite direction to the parent planet's rotation—the only large moon in the Solar System to do so.

  5. Great Dark Spot - Wikipedia

    en.wikipedia.org/wiki/Great_Dark_Spot

    In 1989, GDS-89 was the first Great Dark Spot on Neptune to be observed by NASA's Voyager 2 space probe. Like Jupiter's spot, the Great Dark Spots are anticyclonic storms . However, their interiors are relatively cloud-free, and unlike Jupiter's spot , which has lasted for hundreds of years, their lifetimes appear to be shorter, forming and ...

  6. Ice giant - Wikipedia

    en.wikipedia.org/wiki/Ice_giant

    In the 1990s, it was determined that Uranus and Neptune were a distinct class of giant planet, separate from the other giant planets, Jupiter and Saturn, which are gas giants predominantly composed of hydrogen and helium. [1] Neptune and Uranus are now referred to as ice giants. Lacking well-defined solid surfaces, they are primarily composed ...

  7. File:Neptune diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Neptune_diagram.svg

    English: Diagram of the planet Neptune. Upper atmosphere, top clouds. Atmosphere consisting of hydrogen, helium, and methane gas. Mantle consisting of water, ammonia, and methane ices. Core consisting of rock (silicates and nickel-iron).

  8. Six planets found in synchronized orbit may help solve cosmic ...

    www.aol.com/news/six-planets-found-synchronized...

    Neptune, the smallest of its four gas planets, has a diameter of about 30,600 miles (49,250 km), roughly four times that of Earth. The newly discovered sub-Neptunes range from 1.9 to 2.9 times ...

  9. Outline of Neptune - Wikipedia

    en.wikipedia.org/wiki/Outline_of_Neptune

    In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet. Neptune is 17 times the mass of Earth and is slightly more massive than its near-twin Uranus, which is 15 times the mass of Earth and slightly larger than Neptune.

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