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Uranus is the third-largest and fourth most massive planet in the Solar System. It orbits the Sun at a distance of about 2.8 billion kilometers (1.7 billion miles) and completes one orbit every 84 years. The length of a day on Uranus as measured by Voyager 2 is 17 hours and 14 minutes. Uranus is distinguished by the fact that it is tipped on ...
Neptune, which is Uranus's near twin in size and composition, radiates 2.61 times as much energy into space as it receives from the Sun, [23] but Uranus radiates hardly any excess heat at all. The total power radiated by Uranus in the far infrared (i.e. heat) part of the spectrum is 1.06 ± 0.08 times the solar energy absorbed in its atmosphere .
Therefore, in 2001, an international crew has been dispatched to Uranus by the United Nations, which has become a world government, on a space exploration mission. The film's ideas of astronauts exploring outer space only to confront their inner mindscapes and memories precede the similar-themed 1972 film Solaris by a full decade (although the ...
Images of which were captured in rich detail last year by the James Webb Space Telescope. "Uranus has never looked better," the NASA Webb Telescope posted on its official social media account.
The length of a day on Uranus as measured by Voyager 2 is 17 hours, 14 minutes. [51] Uranus was shown to have a magnetic field that was misaligned with its rotational axis, unlike other planets that had been visited to that point, [52] [55] and a helix-shaped magnetic tail stretching 10 million kilometers (6 million miles) away from the Sun. [52]
Voyager 2 is the only space probe to have visited the Uranus system, completing a flyby on January 24, 1986. The 2011-2022 Planetary Science Decadal Survey recommended a Flagship-class orbiter mission to an ice giant with priority behind what would become the Mars 2020 rover and the Europa Clipper .
Astronomers have discovered a new moon orbiting Uranus — the first spotted in nearly 20 years — and two new moons around Neptune.
For solid objects, such as rocky planets and asteroids, the rotation period is a single value.For gaseous or fluid bodies, such as stars and giant planets, the period of rotation varies from the object's equator to its pole due to a phenomenon called differential rotation.