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  1. Neptune - Wikipedia

    When Pluto was discovered, it was considered a planet, and Neptune thus became the second-farthest known planet, except for a 20-year period between 1979 and 1999 when Pluto's …

  2. Neptune: Facts - NASA Science

    Apr 21, 2025 · Neptune is the eighth and most distant planet in our solar system. It was discovered in 1846. Neptune has 16 known moons.

  3. Neptune | Planet, Moons, Rings, Temperature, Mass, Diameter,

    Oct 5, 2025 · Neptune, third most massive planet of the solar system and the eighth and outermost planet from the Sun. Because of its great distance from Earth, it cannot be seen …

  4. Neptune Facts - Most Distant Planet in the Solar System

    Sep 10, 2025 · Neptune, the eighth planet from the Sun, stands as a distant, deep-blue world at the fringe of our Solar System. Known for its striking color, powerful storms, and intriguing ring …

  5. Neptune, planet of wind and ice - The Planetary Society

    Neptune, our outermost planet, is a windy blue world with exotic ice, raging storms, rings, and a moon that could have a subsurface ocean.

  6. Neptune: Facts, Moons, and How to See the Blue Giant

    Oct 1, 2025 · Discover Neptune, the most distant planet in our solar system. Learn its history, moons, fun facts, and how to see Neptune in the night sky.

  7. Neptune facts and information | National Geographic

    Neptune is just one of two ice giants in our cosmic family, along with Uranus. It's blanketed in an atmosphere of hydrogen and helium, with traces of methane, water, and ammonia. …

  8. Neptune - Science@NASA

    Apr 29, 2025 · Dark, cold and whipped by supersonic winds, giant Neptune is the eighth and most distant major planet orbiting our Sun. More than 30 times as far from the Sun as is Earth, …

  9. Neptune Facts - Interesting Facts about Planet Neptune

    Neptune is the eighth planet from the Sun, making it the most distant in the solar system. This gas giant may have formed much closer to the Sun in the early solar system history before …

  10. Neptune - Gas Giant, Moons, Rings | Britannica

    Oct 5, 2025 · Neptune - Gas Giant, Moons, Rings: Having an orbital period of 164.79 years, Neptune has circled the Sun only once since its discovery in September 1846. Consequently, …