Ultraviolet spectroscopy of Venus - Initial results from the Pioneer Venus orbiter

Details Ultraviolet spectroscopy of Venus - Initial results from the Pioneer Venus orbiter Ultraviolet spectroscopy of Venus - Initial results from the Pioneer Venus orbiter

Feb 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979sci...203..777s&link_type=abstract

Science, vol. 203, Feb. 23, 1979, p. 777-779.

Physics

27

Ultraviolet Spectroscopy, Venus Clouds, Absorption Spectra, Airglow, Hydrogen Atoms, Light Scattering, Night Sky, Pioneer Venus 1 Spacecraft, Sulfur Dioxides, Ultraviolet, Spectroscopy, Venus, Pioneer Venus, Clouds, Absorption, Albedo, Sulfur Dioxide, Atmosphere, Airglow, Emissions, Thermosphere

Scientific paper

Ultraviolet spectroscopy of the Venus cloud tops reveals absorption features attributed to sulfur dioxide in the atmosphere above the cloud tops. Measurements of scattered sunlight at 2663 angstroms show evidence for horizontal and vertical inhomogeneities in cloud structure. Images of the planet at SO2 absorption wavelengths show albedo features similar to those seen at 3650 angstroms from Mariner 10. Airglow emissions are consistent with an exospheric temperature of about 275 K, and a night airglow emission has been detected, indicating the precipitation of energy into the dark thermosphere.

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