Atmosphere of Uranus - Wikipedia
The upper atmosphere of Uranus is the source of the far ultraviolet (90–140 nm) emissions known as dayglow or electroglow, which, like the H 3 + IR radiation, emanates exclusively from the sunlit part of the planet.
Uranus' Atmosphere: Layers of Icy Clouds | Space
2018年2月28日 · The seventh planet in the solar system — and the largest of the ice giants — Uranus has an atmosphere more comparable with Neptune than with Saturn and Jupiter. Known as ice giants, the two...
Uranus Facts - Science@NASA
Uranus' atmosphere is mostly hydrogen and helium, with a small amount of methane and traces of water and ammonia. The methane gives Uranus its signature blue color.
Uranus - Wikipedia
Uranus has the third-largest diameter and fourth-largest mass among the Solar System's planets. Based on current models, inside its volatile mantle layer is a rocky core, and surrounding it is a thick hydrogen and helium atmosphere.
Uranus - NASA Science
Uranus is an ice giant. Most of its mass is a hot, dense fluid of "icy" materials – water, methane and ammonia – above a small rocky core. Uranus has an atmosphere made mostly of molecular hydrogen and atomic helium, with a small amount of methane.
In Depth | Uranus – NASA Solar System Exploration
Uranus' planetary atmosphere, with a minimum temperature of 49K (-224.2 degrees Celsius) makes it even colder than Neptune in some places. Wind speeds can reach up to 560 miles per hour (900 kilometers per hour) on Uranus.
Uranus in Detail - NASA Science
2012年12月14日 · A paired picture of Uranus, the sharpest, most detailed picture of the distant planet to date, reveals a raft of new details about the planet's enigmatic atmosphere.
The Atmosphere of Uranus - Oxford Research Encyclopedias
As a cold, hydrogen-dominated, intermediate-sized, slowly rotating, and chemically enriched world, Uranus could be the closest and best example of atmospheric processes on a class of worlds that may dominate the census of planets beyond our own solar system.
Planet Uranus facts and information - National Geographic
2017年1月17日 · Uranus owes its vibrant blue-green hues not from unusual oceans but from an upper atmosphere flush with methane, which absorbs the sun's red light and scatters blue light back to our eyes.
Atmosphere of Uranus - Universe Today
2008年9月30日 · Uranus (and Neptune) have different atmospheres from the larger Jupiter and Saturn. Although their atmospheres are mostly hydrogen and helium, they have a higher proportion of ices, like water,...