This is a drawing which illustrates the composition of the atmosphere of Uranus relative to possibilities for other planets.
Click on image for full size
A Look at what Uranus' Atmosphere is Made of
Unlike Jupiter and Saturn, where the atmosphere is made the simple molecules hydrogen and helium, the atmosphere of Uranus is cold enough to contain
more of a complex molecule called methane.
Uranus' atmosphere originally formed from complex molecules and ice, rather than the simple molecules of which Jupiter and Saturn formed.
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Besides methane, Uranus' atmosphere contains even more complex molecules such as ethane gas. (These gases are similar to the exhaust gases that come out of cars on earth). These molecules form layers of...more
The mesosphere of Uranus is a region of balance between warming and cooling. That essentially means that nothing happens there. Except for diffusion, the atmosphere is still. Upper reaches of the atmosphere,...more
As on Earth, the atmosphere of Uranus consists of a troposphere, stratosphere, mesosphere, and thermosphere. The troposphere is the region where the visible clouds are to be found. The stratosphere, as...more
On Uranus, as on Jupiter, the winds in the belts and zones blow first in one direction, then in the opposite direction. Wind blows east in a belt, and west in a zone. The clouds rise up in a belt, and...more
The clouds on Uranus, like Jupiter, are divided into belts and zones. On Uranus the belts and zones are hard to find. The left picture shows the north pole of Uranus. In this picture only the smog of...more