Voyager 2 conducted a flyby of Uranus in 1986, and the images revealed a planet with a more pale cyan or blue color. The vessel flew by Neptune in 1989 and the imagery showed a planet with a rich ...

"Two Uranus years (one Uranus year is 84.02 Earth years), running from 1900 to 2068 and starting just before southern summer solstice, when Uranus’s south pole points almost directly towards the Sun," ...

“Uranus, as seen by Voyager, was pretty bland, so they made it as near to true color as we can,” said Patrick Irwin, a professor of planetary physics at the University of Oxford and an author ...

Information about Uranus is limited. What we know is that the planet is composed mainly of water and ammonia ice, its diameter is about 51,000 kilometers, about four times that of the Earth, and its ...

"The misperception of Neptune's color, as well as the unusual color changes of Uranus, have bedeviled us for decades. This comprehensive study should finally put both issues to rest," Heidi Hammel ...

Space photo of the day Uranus passed between Earth and a distant star this month — and NASA caught the rare event "It's also the first [study] to explain the difference in visible color between ...

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Researchers found the south polar region darkened in winter shadow, while the north polar region brightened as summer came.

"The middle layer of haze particles, just above the methane condensation level, is found to be thicker on Uranus than on Neptune, which affects the visible color of the two planets," Oxford said ...

"Two Uranus years (one Uranus year is 84.02 Earth years), running from 1900 to 2068 and starting just before southern summer solstice, when Uranus’s south pole points almost directly towards the Sun," ...