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  1. Neptune Facts - NASA Science

    Apr 21, 2025 · Dark, cold, and whipped by supersonic winds, ice giant Neptune is more than 30 times as far from the Sun as Earth. Neptune is the only planet in our solar system not visible to the naked eye. …

  2. Neptune - Wikipedia

    Neptune is the eighth and farthest known planet orbiting 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 …

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

    Nov 27, 2025 · Neptune, third most massive planet in the solar system and the eighth and outermost planet from the Sun. Neptune has 14 moons, only two of which were discovered before Voyager 2’s …

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

    Sep 10, 2025 · Neptune facts, including its discovery, orbit, size, structure, rings, moons, atmosphere, potential for life, and how to observe it.

  5. 57 Interesting Facts About Neptune - The Fact File

    Jan 15, 2024 · Neptune is located about 2.8 billion miles (4.5 billion kilometres) from the Sun, making it a distant neighbour. It takes about 164.8 Earth years to complete one orbit around the Sun. Neptune is …

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

    Neptune is our outermost planet. Neptune has been visited by only one spacecraft: Voyager 2. The majority of worlds we’ve found around other stars are Neptune-sized. By studying Neptune we learn …

  7. Neptune Facts: How Many Moons & Rings Does Neptune Have | Neptune

    3 days ago · Neptune is the eighth and farthest planet from the Sun, which can't be seen with the naked eye from the Earth. This distant blue planet has faint rings, numerous moons, and no solid surface.

  8. Planet Neptune in 41 amazing facts - BBC Sky at Night Magazine

    Nov 11, 2025 · Facts about the ice giant planet Neptune, the most distant planet in the Solar System, its winds, rings and moons.

  9. Neptune facts and information | National Geographic

    As the windiest, furthest, and faintest planet in our solar system, Neptune is a fascinating world of superlatives. Neptune may seem like a serene sapphire world at first glance. But don't let...

  10. Neptune - Science@NASA

    Apr 29, 2025 · Neptune Facts 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, …