Physics
Scientific paper
May 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979jgr....84.2123g&link_type=abstract
Journal of Geophysical Research, vol. 84, May 1, 1979, p. 2123-2127.
Physics
9
Electron Scattering, Ionospheric Electron Density, Planetary Ionospheres, Umbras, Venus Atmosphere, Nocturnal Variations, Plasma Density, Satellite Observation, Venus, Ionosphere, Origin, Magnetic Fields, Nightside, Electrons, Atmosphere, Radio Occultation, Density, Umbra, Electron Flux, Ionization, Venera 9, Venera 10
Scientific paper
The ionization produced by electrons having energies of several tens of electron volts in the nighttime Venusian atmosphere is investigated on the basis of plasma measurements made on board Venera 9 and 10. It is concluded that electron fluxes are sufficient to produce a nighttime ionosphere with a maximal electron density of 10,000 per cu cm. Calculated density profiles of the Venusian nighttime ionosphere show shapes closely resembling measured ones with closely agreeing values of maximal density and corresponding altitudes as well.
Breus Tamara K.
Gombosi Tamas
Gringauz K. I.
Verigin Mikhail I.
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