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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. It is the largest known trans-Neptunian object by volume, by a small margin, but is less massive than Eris.
Pluto is a dwarf planet located in the Kuiper Belt, beyond Neptune. Learn about its discovery, exploration, moons, and comparison with Earth and other planets.
Dwarf planet Pluto is a member of a group of objects that orbit in a disc-like zone beyond the orbit of Neptune called the Kuiper Belt. This distant realm is populated with thousands of miniature icy worlds, which formed early in the history of our solar system about 4.5 billion years ago.
Pluto is a complex and mysterious world with mountains, valleys, plains, craters, and maybe glaciers. Discovered in 1930, Pluto was long considered our solar system's ninth planet. But after the discovery of similar intriguing worlds deeper in the distant Kuiper Belt, icy Pluto was reclassified as a dwarf planet.
Sep 17, 2024 · Learn about Pluto, the dwarf planet in the Kuiper Belt, and its moon Charon. Find out why Pluto is not a planet, how it orbits the Sun, and what NASA's New Horizons spacecraft discovered there.
2 days ago · Pluto, large, distant member of the solar system that formerly was regarded as the outermost and smallest planet. It also was considered the most recently discovered planet, having been found in 1930.
Jul 14, 2020 · Pluto is not a boring ball of ice, but a dynamic and diverse world with mountains, glaciers, pits and plains. Five years after New Horizons' historic flyby, see stunning images and discoveries of Pluto and its moon Charon.
