Volcanism on Venus - A connecting link?

Details Volcanism on Venus - A connecting link? Volcanism on Venus - A connecting link?

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pazh...10..620k&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 10, Aug. 1984, p. 620-630) Soviet Astronomy Letters (ISSN 0360-0327), vol. 10, July-Aug

Physics

Venus Atmosphere, Venus Surface, Volcanoes, Atmospheric Composition, Atmospheric Electricity, Cloud Physics, Electric Discharges, Haze, Pioneer Venus 1 Spacecraft, Seismology, Sulfur Dioxides

Scientific paper

The implications of recently acquired polarimetric and radiometric data for phenomena occurring on Venus are discussed. Polarimetric data revealed a Venus stratospheric enrichment of submicron particles in 1977-79. The droplets were later identified as condensed sulfuric acid, which may have arisen from SO2 photolysis. The data were gathered by the Pioneer Venus Orbiter and the Venera lander. It is argued that a small number of volcanoes injecting SO2 into the lower atmosphere could have also produced convective streams which transported the gas to the upper atmosphere. The Pioneer data also indicated enhanced lightning discharge activity over areas known for their volcanic formations. It is suggested that the entire planet is rife with volcanic activity, which serves as a relief for subsurface heat in the absence of tectonic plates like those on earth.

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