origincompositionatmosphereringsNumerical modelling of the gravitational capture and contraction of Uranus' primitive atmosphere with the modern laplacian theory, suggests that the four outer moons consist mostly of frozen methane and have densities 0.53 g/cm 3. Miranda, and any new moons interior to ...
Uranus' atmospheric composition by volume is 82.5% hydrogen, 15.2% helium and 2.3% methane. Its internal structure is made up of a mantle of water, ammonia and methane ices, as well as a core of iron and magnesium silicate. Uranus' average distance from the sun is roughly 1.8 billion...
The composition and structure of the Uranian atmosphere, as determined from Voyager data, are described. It is observed that the atmosphere contains He, CH4, C2H2, HD, CH3D, and NH3; it has an effective temperature of -216 C; it is tilted 98 deg to the plane of the ecliptic; and the...
Due to the chemical composition of the earth's atmosphere, most of the infrared radiation emitted by the warm surface never reaches space. Instead the radiation is reflected or absorbed by compounds known as greenhouse gasses. When these compounds absorb the infrared radiation from the surface, the...
The atmosphere of Uranus is composed of 83% hydrogen, 15% helium, 2% methane and small amounts of acetylene and other hydrocarbons. Methane in the upper atmosphere absorbs red light, giving Uranus its blue-green color. The atmosphere is arranged into clouds running at constant latitudes, similar...
Visible-to-near-infrared observations indicate that the cloud top of the main cloud deck on Uranus lies at a pressure level of between 1.2 bar and 3 bar. However, its composition has never been unambiguously identified, although it is widely assume
This image of a crescent Uranus, taken by NASA's Voyager 2 spacecraft on Jan. 24, 1986, reveals the planet's icy blue atmosphere. Despite Voyager 2's close flyby, the composition of the atmosphere remained a mystery until now. (Image credit: NASA/JPL-Caltech) There's a lot of ...
英文:Uranus has a unique blue color because its atmosphere contains methane. 中文:科学家们对天王星的研究帮助我们更好地理解了太阳系的构成。 英文:Scientists' research on Uranus has helped us better understand the composition of the solar system. 英文同义表达: 第一条:无...
A recent study suggests that the clouds in the upper atmosphere of Uranus are chiefly composed of hydrogen sulfide, which is the chemical compound responsible for the bad smell of rotteneggs. For a long time, scientists have been interested in the composition of these clouds, especially wondering...
Uranushasanatmosphere,whichisprimarilymadeupofhydrogenandhelium.Theselightgasesdominateonlytheouteredgesoftheplanet,butarenotakeycontributortoitsrockycenter.Byvolume,82.5%ofUranus’satmosphericcompositionishydrogen.4.WhatisUranus’shardsurfacelike?Uranusisaballoficeandgaswithoutasolidsurface.Itsatmosphereactslikeits...