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Hace 3 días · Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most- massive known object to directly orbit the Sun .
22 de may. de 2024 · Dwarf planet, body, other than a natural satellite (moon), that orbits the Sun and that is, for practical purposes, smaller than the planet Mercury yet large enough for its own gravity to have rounded its shape substantially. Learn more about dwarf planets in this article.
Hace 5 días · Charon, one of Pluto's five moons, is about half the size of Pluto. Charon is the largest moon compared to the body it orbits (whether planet or dwarf planet) of any moon in the solar system.
28 de may. de 2024 · The largest known trans-Neptunian objects are Pluto and Eris, followed by Haumea and Makemake, all of them being officially recognized as dwarf planets by the IAU. There are also several dwarf planet candidates such as Gonggong , Quaoar , Sedna , and Orcus .
1 de jun. de 2024 · In 2006 the International Astronomical Union (IAU) removed Pluto from the list of planets and classified it as a dwarf planet because of its small size, icy composition, and anomalous orbital characteristics.
Hace 4 días · The Kuiper belt is home to most of the objects that astronomers generally accept as dwarf planets: Orcus, Pluto, Haumea, Quaoar, and Makemake. Some of the Solar System's moons, such as Neptune's Triton and Saturn's Phoebe, may have originated in the region.
29 de may. de 2024 · Ceres, dwarf planet, the largest asteroid in the main asteroid belt, and the first asteroid to be discovered. It revolves around the Sun once in 4.61 Earth years at a mean distance of 2.77 astronomical units. Ceres was named after the ancient Roman grain goddess and the patron goddess of Sicily.
