Uranus
The tilted ice giant
Uranus rolls along its orbit on its side, with an axial tilt of 98°. Its pale cyan color comes from methane absorbing red light in its frigid atmosphere.
Image: NASA / Voyager 2
Vital statistics
Moons
27 known
Gravity vs Earth
0.89 g
Day length
17h 14m (retrograde)
Year length
84 Earth years
Diameter
50,724 km
Surface Temp
-224 °C
Did you know
Coldest planetary atmosphere in the solar system.
Fact 01
Each pole gets 42 years of continuous sunlight, then 42 of darkness.
Fact 02
Discovered in 1781 — the first planet found with a telescope.
Fact 03
Research & publications
Jump straight into peer-reviewed papers, preprints and authoritative references for Uranus.
arXiv (preprints)
Open-access preprints in physics & astrophysics.
NASA ADS
The definitive bibliographic database for astronomy.
Google Scholar
Cross-publisher academic search.
Nature
Peer-reviewed articles in Nature & sister journals.
Wikipedia
Encyclopedic overview & onward references.
Tip: ask the Research AI for a curated reading list → /research
