Lyman-alpha observations of Venera-9 and 10. I - The non-thermal hydrogen population in the exosphere of Venus

Details Lyman-alpha observations of Venera-9 and 10. I - The non-thermal hydrogen population in the exosphere of Venus Lyman-alpha observations of Venera-9 and 10. I - The non-thermal hydrogen population in the exosphere of Venus

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978p%26ss...26..817b&link_type=abstract

(International Association of Geomagnetism and Aeronomy, Scientific Assembly, 3rd, Seattle, Wash., Aug. 22-Sept. 3, 1977.) Plane

Computer Science

10

Exosphere, Hydrogen Atoms, Lyman Alpha Radiation, Venera Satellites, Venus Atmosphere, Deuterium, Radiation Distribution, Shock Waves, Solar Wind, Hydrogen, Venus, Solar Wind, Observations, Mariner 5, Exosphere, Lyman-Alpha Radiation, Photometry, Emissions, Venera 9, Venera 10, Collisions, Bow Shock, Protons, Absorption, Turbulence

Scientific paper

The distributions of Lyman-alpha intensities measured on different days in the sunlit exosphere of Venus by the Lyman-alpha photometer aboard the Venera 9 and Venera 10 orbiters in 1975 exhibit a two-scale height distribution. In addition to the intensity, the linewidth of the emission was also measured with absorption-resonance cells filled with hydrogen and deuterium. The results show some evidence that in addition to a cold and classical exosphere component, a second population of H atoms is present at high altitudes, but are not generated at the exobase level.

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