Density of surface soil of Venus from Venera-10 data

Details Density of surface soil of Venus from Venera-10 data Density of surface soil of Venus from Venera-10 data

Sep 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976kosis..14..697s&link_type=abstract

Kosmicheskie Issledovaniia, vol. 14, Sept.-Oct. 1976, p. 697-703. In Russian.

Mathematics

Probability

Densitometers, Planetary Surfaces, Soil Mechanics, Venera Satellites, Basalt, Block Diagrams, Calibrating, Gamma Ray Absorption, Geiger Counters, Planetary Structure, Satellite-Borne Instruments

Scientific paper

The paper describes direct measurements of the density of the Venus soil by the densitometer on the Venera 10 spacecraft. The instrument operated as follows: Gamma quanta emitted by an isotope source are scattered by the soil and recorded by three detectors placed behind a screen at different distances from the source. The probability of Compton scattering is proportional to the density of the soil. Measurements reported give a density of the surface soil of Venus of 2.8 g/cu cm with a rms error of plus or minus 0.1 g/cu cm. By a terrestrial analog, this density would correspond to basalts of massive texture with low porosity.

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