Pluto

Pluto is a small celestial object in the Solar System, and the second-largest known dwarf planet (after Eris) as well as the tenth-largest body observed directly orbiting the Sun. It was named after the Roman God of the Underworld. The Remote Scanning Outpost Democritus is on this Dwarf Planet. On November 3, 2552, the Monitoring Station detects Cortana's signal in Slipspace with Dr. Halsey's message to Lord Hood.

History
Pluto was discovered in 1930, then thought to be the ninth and final planet of the Solar System. Its first moon, Charon, was discovered in 1978. In 2005, 2 more smaller moons were discovered. In 2006, arguements began to arrise on wheter 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 dwarf planets.

New Horizons Space Probe
In 2007, a space probe named New Horizons was launched to gather more information on Pluto. It is scheduled to arrive at the dwarf planet in 2014 or 2015. It will also be the first spacecraft to ever visit Pluto.

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