Physics
Scientific paper
Jan 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982geokh........3v&link_type=abstract
Geokhimiia, Jan. 1982, p. 3-22. In Russian.
Physics
Atmospheric Composition, Condensing, Physical Chemistry, Venus Atmosphere, Venus Clouds, Aerosols, Antimony, Atmospheric Boundary Layer, Atmospheric Models, Chemical Composition, Chemical Equilibrium, Cloud Cover, Geochemistry, Planetary Meteorology, Troposphere, Venus Surface
Scientific paper
The composition of the condensed particles making up the clouds of Venus is considered from the standpoint of physical chemistry. The study relies on a geochemical model of the Venusian troposphere (Barsukov et al., 1980; Khodakovskii et al., 1979) that assumes chemical equilibrium between surface rocks and the surface layer of the troposphere. Determinations of the aerosol composition made by Venera 12 and the Pioneer Venus probes are discussed. Besides drops of sulfuric acid and sulfur condensates, the crystals SbOCl and As4O6 are proposed as cloud components. It is assumed that Venus was initially depleted of such volatile elements as Hg, As, Se, and Te. Sulfur, chlorine, and, possibly, antimony and arsenic are thought to play the same role in the meteorology of Venus that water plays on earth.
Barsukov Valeriy Leonidovich
Khodakovskii I. L.
Sidorov Iu. I.
Volkov V. P.
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