Neptune

Neptune is the eighth and farthest known planet orbiting 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 Uranus, its neighbouring ice giant, Neptune is slightly smaller, but more massive and denser. Being composed primarily of gases and liquids, it has no well-defined solid surface. Neptune orbits the Sun once every 164.8 years at an orbital distance of . It is named after the Roman god of the sea and has the astronomical symbol representing Neptune's t

any object in the Solar System that orbits the Sun at a greater average distance than Neptune

French astronomer (1811-1877)

English mathematician and astronomer (1819–1892)

German astronomer (1812-1910)

English merchant and astronomer (1799–1880)

rings of the planet Neptune

series of large, semi-persistent storms in Neptune's atmosphere

French astronomer (1767-1843)

southern cyclonic storm on the planet Neptune

thumb|upright=1.1|Artist's conception of a mini-Neptune or "gas dwarf"

human discovery of the planet Neptune

Wikimedia list article

overview of the exploration of Neptune

French astrophysicist and astronomer (1942–2016)

trans-Neptunian object whose orbit’s semimajor axis is at least 150 AU