Uranus' atmosphere is composed of about 83 ± 3% hydrogen, 15 ± 3% helium, methane and hydrogen 2.3% deuterida, ammonia, water, ammonium hydrosulfide, methane (CH4).
The Uranian atmosphere can be divided into three layers in the troposphere, between -300 and altitudes of 50 kilometers and pressures from 100 to 0.1 bar (10 kPa to 10 MPa) stratosphere ketinggiannnya range between 50 and 4000 km and pressures from 0.1 to 10.10 bar (10 kPa to 10 Pa) and thermosphere / corona extends 4,000 km to as high as 50.000 km from the surface. There mesosphere.
Troposphere is the lowest part of the atmosphere and at the meeting and is characterized by temperatures that drop with altitude. Temperature dropped to about 320 K at the base of the nominal troposphere at -300 km to 53 K at 50 km.
The stratosphere is the layer of the environment where the temperature generally rises to the height of the tropopause to 53 K between 800 and 850 K on the basis of thermosphere. Stratospheric heating is caused by the absorption of UV and infrared radiation for methane and other hydrocarbons, which are formed in the atmosphere as a result of photolysis of methane.
Thermosphere and the crown is the outermost layer of the atmosphere uranium at a uniform temperature around 800-850 K.
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