Ultraviolet Observations of Venus from Mariner 10: Preliminary Results

Details Ultraviolet Observations of Venus from Mariner 10: Preliminary Results Ultraviolet Observations of Venus from Mariner 10: Preliminary Results

Mar 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974sci...183.1315b&link_type=abstract

Science, Volume 183, Issue 4131, pp. 1315-1318

Physics

19

Scientific paper

An objective grating spectrometer on Mariner 10 has measured airglow in the wavelength range 200 to 1700 angstroms. The data reveal the presence of significant concentrations of hydrogen, helium, carbon, and oxygen atoms in the upper atmosphere of Venus. A preliminary analysis of the hydrogen data indicates an exospheric temperature of 400 degrees K. There is evidence for intense airglow emission at wavelengths longward of 1350 angstroms; the nature of this emission is unclear, but the radiation is spatially extensive and detectable on both day and night sides of the planet.

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