Clouds of Venus - A preliminary assessment of microstructure

Details Clouds of Venus - A preliminary assessment of microstructure Clouds of Venus - A preliminary assessment of microstructure

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979sci...205...70k&link_type=abstract

Science, vol. 205, July 6, 1979, p. 70-74.

Computer Science

4

Atmospheric Composition, Particle Size Distribution, Pioneer Venus Spacecraft, Venus Atmosphere, Venus Clouds, Aerosols, Atmospheric Temperature, Chemical Composition, Heat Flux, Light Transmission, Modal Response, Solar Flux, Spectrometers, Sulfuric Acid, Decomposition, Pioneer Venus, Venus, Clouds, Sulfur, Microstructure, Aerosols, Heat Flow, Flux, Spectrometers

Scientific paper

The multimodal microstructure of the Venus cloud system has been examined. In addition to confirmed H2SO4 droplets and suspected elemental sulfur, a highly concentrated aerosol population has been observed extending above, within, and below the cloud system. These aerosols appear to cycle through the cloud droplets, but can never be removed by the weak precipitation mechanisms present. All cloud particles are likely laced with aerosol contaminants. Sedimentation and decomposition of H2SO4 in the droplets of the lower cloud region contribute more than 7 watts per square meter of heat flux equaling one-fourth of the solar net flux at 50 kilometers.

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