Does Pluto have a substantial atmosphere

Details Does Pluto have a substantial atmosphere Does Pluto have a substantial atmosphere

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980icar...44...53t&link_type=abstract

Icarus, vol. 44, Oct. 1980, p. 53-61.

Physics

24

Atmospheric Composition, Methane, Planetary Atmospheres, Pluto (Planet), Solidified Gases, Sublimation, Atmospheric Density, Atmospheric Physics, Atmospheric Temperature, Mass Transfer, Tritons

Scientific paper

The presence of CH4 ice on Pluto implies that Pluto may have a substantial atmosphere consisting of heavy gases. Without such an atmosphere, sublimation of the CH4 ice would be so rapid on a cosmogonic time scale that either such an atmosphere would soon develop through the exposure of gases trapped in the CH4 ice or else the surface CH4 ice would soon be all sublimated away as other, more stable, ices became exposed. If such stable ices were present from the beginning, the existence of CH4 frosts would also imply that Pluto's present atmosphere contains a remnant of its primordial atmosphere.

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