The average daytime and the average night-time temperature of Uranus is -193 degrees Celsius. There is no change in the temperature from day to night for the seventh planet in the solar system. More » Science Astronomy Planets

As of 2014, Uranus has an atmospheric temperature minimum of -224 degrees Celsius, making it the coldest planet in the solar system. The planet's upper atmosphere is mostly covered by a haze of methane, which hides storm... More » Science Astronomy Planets

Uranus takes 17 Earth hours to rotate. It takes 84 Earth years for it to orbit around the sun, and it rotates horizontally. More » Science Astronomy Planets
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Uranus has a radius of 15,759.2 miles, which is almost four times that of Earth, and it has a circumference of 99,018.1 miles. It has a volume of about 16.39 cubic miles, which makes it 63 times more voluminous than Eart... More » Science Astronomy Planets

Uranus has a hot surface. The surface temperature of Uranus is estimated to be around 4,200 degrees Fahrenheit. The surface of this planet also has strong winds that can be well over 500 miles per hour, and an air pressu... More » Science Astronomy Planets

Some cool facts about Uranus include that it is the only giant planet whose equator sits at nearly a right angle to its orbit and that it was discovered by William Herschel on March 13, 1781. The planet has nine known ri... More » Science Astronomy Planets

The planet Uranus is named after the god Ouranos, or Uranus, from ancient Greek mythology. Uranus is the only planet in the solar system to be named after a god from Greek mythology rather than from Roman mythology. More » Science Astronomy Planets