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The atmosphere of Pluto is notable for its strong and not completely understood seasonal changes caused by peculiarities of the orbital and axial rotation of Pluto. [6] The surface pressure of the atmosphere of Pluto, measured by New Horizons in 2015, is about 1 Pa (10 μbar), roughly 1/100,000 of Earth
Its thickness in the place of measurement was 4 km, and the temperature was 37±3 K. ... Pluto's atmosphere is divided into roughly 20 regularly spaced haze layers up ...
Pluto's overall redness also increased substantially between 2000 and 2002. [14] These rapid changes probably relate to seasonal condensation and sublimation of portions of Pluto's atmosphere, amplified by Pluto's extreme axial tilt and high orbital eccentricity. [14]
"Pluto is the first planetary body we know of where the atmospheric energy budget is dominated by solid-phase haze particles instead of by gases." Pluto is way cooler than it should be, and now we ...
New Horizons has provided scientists with a new surprise: Pluto has a tail.
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Pluto's atmosphere backlit by the Sun. One such occultation event happened in 1988. Observations of a second occultation on August 20, 2002 suggest that Pluto's atmospheric pressure has tripled, indicating a warming of about 2 °C (3.6 °F), [41] [42] as predicted by Hansen and Paige. [43]
Pluto's atmosphere consists of a thin envelope of nitrogen, methane, and carbon monoxide gases, all of which are derived from the ices of these substances on its surface. When Pluto is close to the Sun, the temperature of Pluto's solid surface increases, causing these ices to sublimate into gases.