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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.
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]
Pluto 350, however, would later become controversial among mission planners at NASA, who considered the project to be too small and too high-risk. Doubts about the cost-effectiveness were raised by Farquhar's team as Pluto had just passed perihelion, which would exponentially increase the mission duration before the launch date was finalized ...
Pluto was considered a planet up until 2006, when researchers at the International Astronomical Union voted to "demote" it to dwarf planet.
An impact early in Pluto’s history would have created a mass deficit, causing Sputnik Planitia to slowly migrate toward the dwarf planet’s north pole over time while the planet was still forming.
The definition of a planet has been a hot topic ever since a change kicked Pluto out of our planetary lineup in 2006. Now, a group of researchers is proposing a new definition yet again—one with ...
Clyde William Tombaugh (/ ˈ t ɒ m b aʊ /; February 4, 1906 – January 17, 1997) was an American astronomer.He discovered Pluto in 1930, the first object to be discovered in what would later be identified as the Kuiper belt.
Edgeworth was born on 26 February 1880 at Daramona House Street, County Westmeath. His parents were Elizabeth Dupré ((née Wilson) 1852-1929) and land agent Thomas Newcomen Edgeworth (1850–1931) both of Anglo-Irish ancestry. He was from one of 'the archetypal gentleman literary and scientific families' (McFarland, 1996). [4] [5] [6]