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. Pluto is a complex and mysterious world with mountains, valleys, plains, craters, and glaciers.
It is located in the distant Kuiper Belt. Discovered in 1930, Pluto was long considered our solar system's ninth planet. But after the discovery of similar worlds deeper in the Kuiper Belt, Pluto was reclassified as a dwarf planet in 2006 by the International Astronomical Union.
According to the. The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. Essentially Pluto meets all the criteria except one-it has not cleared its neighboring region of other objects."The Rich Color Variations of Pluto.
NASA's Why is Pluto no. Pluto, large, distant member of the solar system that formerly was regarded as the outermost and smallest planet. In 2006 a group of experts in the scientific community voted to give Pluto the new classification of dwarf planet.
about Pluto in this article. Learn whether Pluto is a planet and understand the differences between planets and dwarf planets. See what Pluto has in common with comets.
Pluto was demoted from a planet to a dwarf planet in 2006. So why is its status still so controversial today? about dwarf planets and Pluto's role in our solar system from National Geographic. In 2006, astronomers 'demoted' Pluto from a major planet in the solar system to a dwarf planet.
But was Pluto snubbed? Our experts answer. Four of the dwarf planets - Eris, Haumea, Makemake and Pluto - reside in the region beyond Neptune, usually referred to as the Kuiper belt. As these dwarf planets are farther out in the Solar System than Neptune they are also called 'plutoids', a subcategory of dwarf planets.
Pluto is a dwarf planet located in a distant region of our solar system beyond Neptune known as the Kuiper Belt. Pluto was long considered our ninth planet, but the International Astronomical Union reclassified Pluto as a dwarf planet in 2006. NASA's New Horizons was the first spacecraft to explore Pluto up close, flying by in 2015.