Chemical processes in Triton's atmosphere and surface

Details Chemical processes in Triton's atmosphere and surface Chemical processes in Triton's atmosphere and surface

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987icar...70..354d&link_type=abstract

Icarus (ISSN 0019-1035), vol. 70, May 1987, p. 354-365.

Physics

24

Atmospheric Chemistry, Planetary Composition, Satellite Atmospheres, Satellite Surfaces, Triton, Atmospheric Models, Liquid Nitrogen, Methane, Organic Compounds, Radiochemistry, Neptune, Satellites, Triton, Atmosphere, Surface, Chemistry, Radius, Liquid Phases, Composition, Mass, Physical Properties, Temperature, Energy, Source, Radiochemistry, Synthesis, Distribution, Nitriles, Hydrocarbons, Nitrogen, Solubility, Laboratory Studies, Irradiation, Cosmic Rays, Organic Material, Saturation, Mixing, Evaporatio

Scientific paper

Liquid solutions of N2 containing up to one-third CH4 can exist on Triton's surface in regions T > 62.5K. More generally, subsurface oceans of N2 solution are expected to be stable beneath overlying, thermally insulating, less dense layers of the abundant light hydrocarbon products of radiochemical synthesis: C2H6, C3H8, and C4H10. Cosmic rays are the main source of energy, capable of producing synthesis of organic compounds from N2 - CH4 solutions on the surface. For baseline Triton models with R = 2500 km, ρ = 2.1 g cm-3, and Ts = 65 or 55K, respectively, 4×10-3 or 7×10-3erg cm-2sec-1 (49 or 87% of the total incident flux) is deposited within a few meters below the surface. Using yields from laboratory experiments, the authors estimate the quantities of products produced.

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