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Learn about Neptune, the eighth and most distant planet from the Sun, with 16 moons and five rings. See how it was discovered, what it looks like, and how it compares to Earth and other planets.
- Neptune Facts - Science@NASA
Dark, cold, and whipped by supersonic winds, ice giant...
- In Depth | Neptune – NASA Solar System Exploration
Dark, cold, and whipped by supersonic winds, ice giant...
- All About Neptune - NASA Space Place
All About Neptune. Neptune is dark, cold, and very windy....
- Neptune Facts - Science@NASA
NEPTUNE is the world's first regional-scale underwater ocean observatory that plugs directly into the Internet. [1] NEPTUNE is the largest installation on the Ocean Networks Canada network of ocean observatories.
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.
Learn about Neptune, the eighth and most distant planet in our solar system, named after the Roman god of the sea. Discover its size, orbit, moons, rings, structure, surface, atmosphere, and more.
Jun 26, 2024 · 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 ♆.
- Neptune was discovered on September 23, 1846. It is the second planet to be found using a telescope. Although Johann Gottfried Galle and Heinrich L...
- Neptune has 14 moons (natural satellites). Before Voyager 2's flyby of the planet, Neptune's only known moons were Triton and Nereid. Neptune's moo...
- Neptune’s outer atmosphere is composed predominantly of hydrogen and helium, contributing to 98 percent of the atmospheric molecules. Most of the r...
- Neptune is the only giant planet that is not visible without a telescope. It has an apparent magnitude of 7.8 and is approximately one-fifth as bri...
- Neptune’s color is a very vivid, bright blue, presumably an effect of the presence of methane and an unidentified atmospheric gas. With a small tel...
Jul 9, 2024 · Learn about Neptune, the last and darkest planet in our solar system. Find out how it's similar to Uranus, how long it takes to orbit the sun, and what its rings and moons look like.
Neptune is 17 times the mass of Earth, but just 1⁄18the mass of Jupiter.[40] Neptune is a little bit more massivethan Uranus, though Neptune is denser and smaller in size than Uranus.[30] Neptune and Uranus are often considered a part of "ice giants" (a sub-class of gas giants).
