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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.
A dwarf planet is a small planetary-mass object that is in direct orbit around the Sun, massive enough to be gravitationally rounded, but insufficient to achieve orbital dominance like the eight classical planets of the Solar System. The prototypical dwarf planet is Pluto, which for decades was regarded as a planet before the "dwarf" concept ...
Clyde William Tombaugh / ˈtɒmbaʊ / (February 4, 1906 – January 17, 1997) was an American astronomer. He discovered the ninth planet Pluto in 1930, the first object to be discovered in what would later be identified as the Kuiper belt. At the time of discovery, Pluto was considered a planet, but was reclassified as a dwarf planet in 2006.
This new view of Pluto's crescent stunningly highlights the dwarf planet's varied terrains, extended atmosphere and familiar Arctic look.
NASA just released the most complete look at Pluto that we've ever seen by stitching together recently-released photos.
The dwarf planet Pluto, which is smaller than Earth's moon, orbits about 3.6 billion miles away from th. It's not just the air on Pluto that is cold -- the volcanoes on the dwarf plant are frigid ...
It is not clear how many KBOs are large enough to be dwarf planets. Consideration of the surprisingly low densities of many dwarf-planet candidates suggests that not many are. [113] Orcus, Pluto, Haumea, Quaoar, and Makemake are accepted by most astronomers; some have proposed other bodies, such as Salacia, 2002 MS 4, [114] 2002 AW 197, and ...
Tombaugh Regio (/ ˈ t ɒ m b aʊ ˈ r ɛ dʒ i oʊ /), sometimes nicknamed "Pluto's heart" after its shape, [2] is the largest bright surface feature of the dwarf planet Pluto. [3] [4] [5] It lies just north of Pluto's equator, to the northeast of Belton Regio and to the northwest of Safronov Regio, which are both dark features. [6]