Pluto: Difference between revisions
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'''Pluto''', formal designation '''134340 Pluto''', is a dwarf planet in the [[Sol system]], and the second-largest known dwarf planet (after [[Wikipedia:Eris (dwarf planet)|Eris]]) as well as the tenth-largest body observed directly orbiting Sol. It was named after the Roman God of the Underworld. The [[Remote Scanning Outpost]] ''[[Democritus]]'' is situated in orbit over this dwarf planet. On November 3, [[2552]], the monitoring station detected [[Cortana]]'s signal in [[Slipspace]] with [[Catherine Halsey|Dr. Halsey]]'s message to [[Lord Hood]].<ref>'''[[Halo: Ghosts of Onyx]]''', ''page 212''</ref> | '''Pluto''', formal designation '''134340 Pluto''', is a dwarf planet in the [[Sol system]], and the second-largest known dwarf planet (after [[Wikipedia:Eris (dwarf planet)|Eris]]) as well as the tenth-largest body observed directly orbiting Sol. It was named after the Roman God of the Underworld. The [[Remote Scanning Outpost]] ''[[Democritus]]'' is situated in orbit over this dwarf planet. On November 3, [[2552]], the monitoring station detected [[Cortana]]'s signal in [[Slipspace]] with [[Catherine Halsey|Dr. Halsey]]'s message to [[Lord Hood]].<ref>'''[[Halo: Ghosts of Onyx]]''', ''page 212''</ref> | ||
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==History== | ==History== | ||
Pluto was discovered | Pluto was discovered in 1930, and was considered to be the ninth and final planet of the Solar System. Its largest moon, Charon, was discovered in 1978. In [[2005]], two smaller moons were discovered. During [[2006]], arguments began to arise on whether Pluto was actually large enough to be considered a planet. After much debate, Pluto (along with the asteroid Ceres and the object Eris) became newly classified as a dwarf planet. | ||
In 2006, a space probe named ''New Horizons'' was launched to gather more information on Pluto. It arrived at the dwarf planet in 2015 | In 2006, a space probe named ''[[Wikipedia:New Horizons|New Horizons]]'' was launched to gather more information on Pluto. It arrived at the dwarf planet in [[2015]] and was the first spacecraft to ever visit Pluto. | ||
==Gallery== | ==Gallery== | ||
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[[Category:Human colonies]] | [[Category:Human colonies]] | ||