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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.
He discovered 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 the ninth planet, but was reclassified as a dwarf planet in 2006. Tombaugh also discovered many asteroids, and called for the serious scientific research of unidentified flying objects.
The geology of Pluto consists of the characteristics of the surface, crust, and interior of Pluto. Because of Pluto's distance from Earth, in-depth study from Earth is difficult. Many details about Pluto remained unknown until 14 July 2015, when New Horizons flew through the Pluto system and began transmitting data back to Earth. [1]
"The debate over Pluto’s status highlights the evolving nature of scientific classification." Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 ...
(Date · Ref) Belton Regio: Michael J. S. Belton, British astronomer: 2023-09-22 · WGPSN: Harrington Regio: Robert Sutton Harrington, American astronomer, the co-discoverer of Charon and first person to calculate the Pluto system's mass: 2024-09-11 · WGPSN: Lowell Regio: Percival Lowell, whose ideas about Planet X inadvertently led to Pluto's ...
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Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.
Venetia Katharine Douglas Burney (married name Phair, 11 July 1918 – 30 April 2009) was an English accountant and teacher.She is remembered as the first person to suggest the name Pluto for the dwarf planet discovered by Clyde Tombaugh in 1930.