what is uranus's surface temperature
Facts about Uranus. 1  Uranus was officially discovered by Sir William Herschel in 1781. 2  Uranus turns on its axis once every 17 hours, 14 minutes. 3  Uranus makes one trip around the Sun every 84 Earth years. 4  Uranus is often referred to as an âice giantâ planet. 5  Uranus hits the coldest temperatures of any planet. With minimum atmospheric temperature of -224Â°C Uranus is nearly coldest planet in the solar system. While Neptune doesnât get as cold as Uranus it is on average colder. The upper atmosphere of Uranus is covered by a methane haze which hides the storms that take place in the cloud decks.