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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]
[6] [a] Charon and Pluto are also tidally locked, so that they always present the same face toward each other. The IAU General Assembly in August 2006 considered a proposal that Pluto and Charon be reclassified as a double planet, but the proposal was abandoned. [7] Like Pluto, Charon is a perfect sphere to within measurement uncertainty. [8]
NASA's New Horizons probe has returned the first color images of Pluto. The small blurry dots in the newly-released photo are Pluto and Charon, the largest of Pluto's moons. New Horizons captured ...
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 ]
The arctic climate of Pluto is defined as the latitude ranges that, during one orbit, experience both continuous sunlight during summer season and continuous darkness during winter season. The permanent arctic zones of the dwarf planet range from 90°N to 37°N in the northern hemisphere and from 90°S to 37°S in the southern hemisphere.
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.
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 ...