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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 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.
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.
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...
Neptune is the eighth and farthest planet from the Sun in the Solar System. It is an ice giant, a type of giant planet. Neptune is the fourth-largest planet in the Solar System by size and the third-heaviest. It has a weight 17 times that of Earth, making it heavier but less dense than Uranus.
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.
Sep 25, 2019 · Learn about Neptune, the fourth largest and the farthest planet of the Solar System, with the most powerful wind speeds and the smallest ice giant. Find out how it was discovered by mathematical predictions, what it is made of, how many rings and moons it has, and more.
