Neptune - Wikipedia
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.
Neptune - NASA Science
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.
Neptune Facts - Science@NASA
Neptune is the eighth and most distant planet in our solar system. 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.
Neptune | Planet, Moons, Rings, Temperature, Mass, Diameter, & Facts …
6 days ago · 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 …
All About Neptune | NASA Space Place – NASA Science for Kids
Nov 8, 2024 · 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.
Neptune facts and information - National Geographic
Mar 28, 2019 · 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 chaos...
In Depth | Neptune – NASA Solar System Exploration
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. In 2011 Neptune completed its first 165-year orbit since its discovery in 1846.
10 Need-to-Know Things About Neptune - NASA Solar System Exploration
Neptune is an ice giant. Most of its mass is a hot, dense fluid of "icy" materials – water, methane and ammonia – above a small rocky core. Neptune's atmosphere is made up mostly of molecular hydrogen, atomic helium and methane. Neptune has 14 known moons which are named after sea gods and nymphs in Greek mythology.
Neptune: Exploration - Science@NASA
Voyager returned a wealth of information about Neptune and its moons-and confirmed evidence the giant world had faint rings like the other gas planets. Scientists also use the Hubble Space Telescope and powerful ground-based telescopes to gather more information about this …
Solar System Tour - Neptune - NASA
Neptune is the eighth planet from the Sun, and receives only 1/900 of the sunlight received at Earth. Of the 4 giant planets, it radiates the most internal heat relative to what it receives from the Sun. This photograph of Neptune was reconstructed from two images taken by Voyager 2's narrow-angle camera, through the green and clear filters.