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Neptune finishes a year

The planet Neptune was discovered in September 23, 1846, the first half of the 19th century. As of today, July 12th, 2011,  it has made 1 full orbit of the Sun since its discovery.

Neptune is our solar system’s furthest known planet (with Pluto now being considered a dwarf planet). Its orbit is so far out that it requires 164.79 years to complete a year. Today marks the day that would make it a complete years since its discovery by Johann Galle.

Uranus, whose wobbly orbit was used to locate Neptune, has by comparison completed 2 years since its discovery in1781. It is also well into completing a third year.


Comments on: "Neptune finishes a year" (1)

  1. […] completely random science news, it’s been a year on Neptune since Neptune was discovered as a planet. Neptune was discovered in […]

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