Uranus is the third largest planet in the solar system and is the seventh planet from the sun. Although the planet has a large diameter it is still has a smaller overall mass than Neptune its neighbouring planet. Uranus was first discovered in 1781 by William Herschel although its full status as a planet and its name was not used until 1850.
One notable fact about Uranus is that it spins on a parallel basis to the ecliptic instead of perpendicular like most of the planets. The change means that the Polar Regions on the planet are actually warmer than other locations on the surface.
Due to the odd rotation, scientists area currently not sure which of the poles in Uranus is actually the North Pole of the planet. It is mostly made of rock and ice sitting so far outside the sun and is only made of a small amount of hydrogen and ice unlike its neighbour Saturn.
Not much is known about the core of Saturn but it is estimated that the planet does not have a rocky core. Uranus has rings around it at as well but they are small and dark thus making it hard to see from the earth.
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