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The lowest temperature recorded in Uranus's tropopause is 49 K (−224.2 °C; −371.5 °F), making Uranus the coldest planet in the Solar System. [ 18 ] [ 95 ] One of the hypotheses for this discrepancy suggests the Earth-sized impactor theorised to be behind Uranus's axial tilt left the planet with a depleted core temperature, as the impact ...
The lowest temperature recorded in Uranus's tropopause is 49 K (−224 °C), making Uranus the coldest planet in the Solar System, colder than Neptune. [ 22 ] [ 23 ] Another hypothesis states that when Uranus was "knocked over" by the supermassive impactor which caused its extreme axial tilt, the event also caused it to expel most of its ...
The high temperature and relatively high pressure at the base of the thermosphere explain in part why Uranus's exosphere is so vast. [h] [77] The number density of atomic hydrogen in the corona falls slowly with the distance from the planet, remaining as high a few hundred atoms per cm 3 at a few radii from Uranus. [80]
The planet Uranus and its five biggest moons may not be the sterile worlds scientists have long thought. ... It is among the coldest of all the planets. It is also tilted on its side compared to ...
Uranus is the butt of a lot of jokes, but scientists pronounce the name of our seventh planet differently than, say, most giggling middle-schoolers. You've been pronouncing 'Uranus' wrong your ...
This week, researchers shared fascinating new findings on Uranus, the seventh planet from the sun, and the far side of the moon. Other worlds. Illustrations depict how Uranus' magnetosphere, or ...
Planets from the Solar System were also included for comparison purposes. Discovered in 2006, OGLE-2005-BLG-390Lb is the coldest known exoplanet, and was nicknamed "Hoth" by NASA in reference to the planet from the Star Wars franchise. [1]
In 1781, German-born British astronomer William Herschel made Uranus the first planet discovered with the aid of a telescope. This frigid planet, our solar system's third largest, remains a bit of ...