What are the months of Neptune?

Neptune, the eighth and last planet from the Sun since Pluto in 2006, has 13 known months. This is about half of his sister planet Uranus and a quarter of Jupiter or Saturn. For its large matter, about 17 times larger than Earth, Neptune has relatively few months. In the harsh order of declining size, the months are Triton, Proteus, Neeid, Larissa, Galatea, Despina, Thalassa, Naiad, HalimEDe, Neso, Sao, Laomedeia and PSamathe.

Triton was the first to be discovered, William Lassell, who also discovered the Moon Saturn and two of Uranus, in 1854, just seventeen days after the discovery of Neptune. Only more than a hundred years later, in 1949, was another month, Neeid, discovered. Neeid and Triton are named after smaller marine deities, which is a naming tradition that has persisted with other months. This naming scheme is inspired by the fact that Neptune, the Roman god of the sea. Until 1989, only Triton and Nereid were known, but six were discontinen a year after the Space Voyager 2 Spaceby five discovered with the Land Telescles in 2002 or 2003.

Neptune has only one month large enough to be spherical: triton. With a diameter of 2700 km (1677 miles), Triton is the seventh largest month in the solar system with a size of 78% of the Luna size. It has properties similar to Pluto, with 25% water ice and residual rocky material. The largest moon in the solar system with retrograde ("back") Orbit is considered to be a captured object of the Kuiper belt. The Kuiper belt is the second largest asteroid belt in the solar system, located behind the orbit of the Neptune. With an average surface temperature of 34 K, Triton is also known as the coldest surface in the solar system. Unlike many months in the solar system, Triton has very few craters and is geologically active, with a smooth, milk surface.

Proteus, the second largest month of Neptune with a diameter of 440 km, is the shapeChristmas as a cube with rounded edges. Scientists think it is about as massive as any body can be before it is cloudy to the sphere of its own gravity. Mimas, the moon Saturn, is even less massive, but still spherical. Proteus is also known to be one of the darkest surfaces in the solar system, reflecting only 6% of the incoming light.