Atmosphere of Triton
Layer of gasses surrounding the moon Triton / From Wikipedia, the free encyclopedia
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The atmosphere of Triton is the layer of gases surrounding Triton. Like the atmospheres of Titan and Pluto, Triton's atmosphere is composed primarily of nitrogen, with smaller amounts of methane and carbon monoxide. It hosts a layer of organic haze extending up to 30 kilometers above its surface and a deck of thin bright clouds at about 4 kilometers in altitude.[5] Due to Triton's low gravity, its atmosphere is loosely bound, extending over 800 kilometers from its surface.[6]
This article is missing information about Triton's ionosphere and atmospheric chemistry. (April 2024) |
General information | |
---|---|
Height | ~870 km (exobase)[1] |
Average surface pressure | ~1.4 Pa (1.38×10−5 atm) (1989)[2] ~1.9 Pa (1.88×10−5 atm) (1997)[3] |
Composition[4][lower-alpha 1] | |
Nitrogen (N 2) | >99% |
Methane (CH 4) | ~0.025% |
Carbon monoxide (CO) | ~0.06% |
Triton, along with Saturn's moon Titan, is one of only two moons in the Solar System known to have significant, global atmospheres.[7][lower-alpha 2] The surface pressure is only 14 microbars (1.4 Pa or 0.0105mmHg), 1⁄70000 of the surface pressure on Earth.[6] Similar to the atmosphere of Pluto, Triton's atmosphere is sensitive to seasonal changes; observations obtained in 1998 showed an increase in temperature, increasing the atmosphere's density.[13]