Mathematics
Scientific paper
Jun 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976stin...7628137v&link_type=abstract
Characteristics of the Venus surface measured by radioaltimeter in the landing area of the Venera-8 descent module NASA Transl.
Mathematics
Planetary Surfaces, Radio Altimeters, Venera 8 Satellite, Venus (Planet), Albedo, Density (Mass/Volume), Landing Modules, Permittivity, Rocks, Soils, Topography
Scientific paper
It is shown how the radioaltimeter signals of the Venera-8 descent module telemetered to Earth were used to determine local Venus surface characteristics (in the vicinity of the landing site). Albedo, dielectric constant, and density of the surface layer of the planet were studied. The necessary mathematical relationships are included. The following data were obtained: 0.07 and 0.09 for albedo, 3.2 + or - 1.3 for dielectric constant, and 1.4 + or - 0.55 g/cu cm for density. The radiometric altitude measurements agree well with altitude data and with the atmospheric temperature and pressure measurements, particularly at altitudes under 20 km. The operational peculiarities of the radioaltimetric measurements and their relationship to surface features are discussed.
Guslyakov V. T.
Kerzhanovich Viktor V.
Namalovich M. L.
Tseymlin Y. Y.
Vashmashnikov M. V.
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