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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, atmosphere, and more.
- Facts About Neptune
- Neptune’s Great Dark Spot
- Neptune’s Atmosphere
- GeneratedCaptionsTabForHeroSec
Neptune is the most distant planet from the Sun.Neptune is the smallest gas giant.A year on Neptune lasts 165 Earth years.Neptune is named after the Roman god of the sea.The Great Dark Spot in the southern atmosphere of Neptune was first discovered in 1989 by the Voyager 2 spacecraft. It was an incredibly large rotating storm system with winds of up to 1,500 miles per hour, the strongest winds recorded on any planet. How such powerful winds were discovered on a planet so far from the sun is still considered a myste...
Neptune has an incredibly thick atmosphere comprised of 74% hydrogen, 25% helium and approximately 1% methane. Its atmosphere also contains icy clouds and the fastest winds recorded in the solar system. Particles of icy methane and minor gases in the extremities of the atmosphere give Neptune its deep blue colour. The striking blue and white featur...
Learn about Neptune, the eighth and most distant planet from the Sun, and its features, rings, moons, and climate. Find out how Neptune was discovered, what it is named after, and how it compares to Earth and other planets.
- Neptune is the eight and the farthest planet from the sun. However, in 1930, after the discovery of Pluto, the title of the most distance planet from the Sun was snatched from Neptune and was given to Pluto.
- Neptune was not known to the ancients, and until 1846, its position was determined with the help of mathematical predictions. Galileo had predicted the presence of a star in his drawings however he did not conclude that it was actually a planet.
- On September 23, 1846, German astronomer Johann Galle visually confirmed the existence of Neptune using Le Verrier’s calculations. The discovery was hailed as a significant triumph for celestial mechanics.
- Neptune is 30 AU from the Sun while the Earth is 1 AU.
Learn about Neptune, the eighth and most distant planet from the Sun, with 16 moons, rings and arcs. Find out how it was discovered, what it's made of, and how it compares to Earth and other planets.
3 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 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...
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May 6, 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.
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, atmosphere, and more.
