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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.
Based on estimations of the primordial mass required to form Uranus and Neptune, as well as bodies as large as Pluto (see § Mass and size distribution), earlier models of the Kuiper belt had suggested that the number of large objects would increase by a factor of two beyond 50 AU, [64] so this sudden drastic falloff, known as the Kuiper cliff ...
Under the name Pluto, the god appears in other myths in a secondary role, mostly as the possessor of a quest-object, and especially in the descent of Orpheus or other heroes to the underworld. [3] Plūtō ([ˈpluːtoː]; genitive Plūtōnis) is the Latinized form of the Greek Plouton.
Pluto was considered a planet up until 2006, when researchers at the International Astronomical Union voted to "demote" it to dwarf planet.
New Horizons has provided scientists with a new surprise: Pluto has a tail.
Dis Pater (/ ˌ d ɪ s ˈ p eɪ t ər /; Latin: [diːs patɛr]; genitive Ditis Patris), otherwise known as Rex Infernus or Pluto, is a Roman god of the underworld. Dis was originally associated with fertile agricultural land and mineral wealth, and since those minerals came from underground, he was later equated with the chthonic deities Pluto ...
According to the IAU's explicit count, there are eight planets in the Solar System; four terrestrial planets (Mercury, Venus, Earth, and Mars) and four giant planets, which can be divided further into two gas giants (Jupiter and Saturn) and two ice giants (Uranus and Neptune). When excluding the Sun, the four giant planets account for more than ...
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]