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  2. Neptune Facts - Science@NASA

    science.nasa.gov/neptune/neptune-facts

    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. In 2011 Neptune completed its first 165-year orbit since its discovery in 1846.

  3. Neptune is a dark and a cold planet. It is among the eight planets in the solar system. Neptune has some features and characteristics that set it apart from the other planets. Neptune is located about 2.8 billion miles (4.5 billion kilometres) from the Sun, making it a distant neighbour.

  4. Neptune - NASA Science

    science.nasa.gov/neptune

    Neptune is the eighth, and most distant planet from the Sun. It’s the fourth-largest, and the first planet discovered with math. More than 30 times as far from the Sun as Earth, Neptune is not visible to the naked eye.

  5. 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 migrating out to its current position. Neptune is the smallest gas giant. A year on Neptune lasts 165 Earth years. Neptune is named after the Roman god of the sea.

  6. Neptune - Wikipedia

    en.wikipedia.org/wiki/Neptune

    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.

  7. 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 with the unaided eye. With a small telescope, it appears as a tiny, faint blue-green disk. It is designated by the symbol ♆.

  8. Neptune is dark, cold, and very windy. It's the last of the planets in our solar system. It's more than 30 times as far from the sun as Earth is. Neptune is very similar to Uranus. It's made of a thick fog of water, ammonia, and methane over an Earth-sized solid center. Its atmosphere is made of hydrogen, helium, and methane.

  9. Neptune orbits our Sun, a star, and is the eighth planet from the Sun at a distance of about 2.8 billion miles (4.5 billion kilometers). Neptune takes about 16 hours to rotate once (a Neptunian day), and about 165 Earth years to orbit the sun (a Neptunian year). Neptune is an ice giant.

  10. In Depth | Neptune – NASA Solar System Exploration

    solarsystem.nasa.gov/planets/neptune/in-depth.amp

    Dark, cold, and whipped by supersonic winds, ice giant Neptune is the eighth and most distant planet in our solar system. 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.

  11. Neptune facts and information - National Geographic

    www.nationalgeographic.com/science/article/neptune

    Neptune is the windiest planet in our solar system, whipping up momentous gusts that can reach more than 1,200 miles an hour. That soothing sapphire expanse does reveal some of the whirling...