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  2. Neptune - Wikipedia

    en.wikipedia.org/wiki/Neptune

    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.

  3. Neptune - NASA Science

    science.nasa.gov/neptune

    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 Earth, Neptune is not visible to the naked eye.

  4. 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 ♆.

  5. 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.

  6. In Depth | NeptuneNASA 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.

  7. Neptune: A guide to the windy eighth planet from the sun

    www.space.com/41-neptune-the-other-blue-planet...

    Neptune is the eighth and farthest planet from the sun. We explore the ice giant in more detail here.

  8. Neptune Facts - Science@NASA

    science.nasa.gov/neptune/neptune-facts

    Neptune is one of two ice giants in the outer solar system (the other is Uranus). Most (80% or more) of the planet's mass is made up of a hot dense fluid of "icy" materials – water, methane, and ammonia – above a small, rocky core. Of the giant planets, Neptune is the densest.

  9. 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.

  10. 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...