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Uranus is one of the gas giants
and seventh planet from the Sun. It is the third largest and 4th
massive planet in the solar system. It is named after the
ancient Greek deity of sky Uranus. It is 1st planet discovered
in modern age and it was discovered by William Herschel in 1781.
It was found many times but it was
ignored as small star because of its dimness and slow orbit. It
has been visited by only 1 spacecraft, Voyager 2 in 1986. It
orbits sun once every 84.01 earth years and rotates its axis
once in every 17 h 14 min. It has 22 moons. Out of these 2
largest moon are Titania and Oberon, which also discovered by
William Herschel in 1787.
It has surface area of 8.12 x 10^9 km^2
and mass is 8.68 x 10^25 kg. Avg distance of Uranus from sun is
2,870,990,000 km and 35 year to complete one revolution. Day on
Uranus is about 17 hour.
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