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Pluto

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Pluto
Pluto
System

Solar System

Suns

Sun

Moons

Charon

Class

Terrestrial

Diameter

2,306 km

  [Source]

Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond Neptune. It was the first Kuiper belt object to be discovered by humans. It is the largest and second-most-massive known dwarf planet in the Solar System and the ninth-largest and tenth-most-massive known object directly orbiting the Sun. It is the largest known trans-Neptunian object by volume but is less massive than Eris, a dwarf planet in the scattered disc. Like other Kuiper belt objects, Pluto is primarily made of ice and rock and is relatively small — about one-sixth the mass of the Moon and one-third its volume. It has a moderately eccentric and inclined orbit during which it ranges from 30 to 49 astronomical units (4.4–7.3 billion km) from the Sun. This means that Pluto periodically comes closer to the Sun than Neptune, but a stable orbital resonance with Neptune prevents them from colliding. In 2014, Pluto was 32.6 AU from the Sun. Light from the Sun takes about 5.5 hours to reach Pluto at its average distance (39.4 AU).

The USM Auriga was in orbit around Pluto when it docked with the commercial freight smuggler vessel the Betty[1] in 2381.[2]

TriviaEdit

  • For many years, Pluto was classified as the ninth planet of the Solar System. However, it was reclassified in 2006 when it was discovered to be just one of several dwarf planets in the system. Some scientists continue to argue Pluto should be designated a full planet.

AppearancesEdit

GalleryEdit

ReferencesEdit

  1. A. C. Crispin. (1997). Alien Resurrection novelization. Warner Aspect, 2. 
  2. S. D. Perry. (2014). Alien: The Weyland-Yutani Report. Insight Editions, 9. 

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