Computer Science
Scientific paper
Sep 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976kosis..14..704s&link_type=abstract
Kosmicheskie Issledovaniia, vol. 14, Sept.-Oct. 1976, p. 704-709. In Russian.
Computer Science
6
Planetary Composition, Radioactive Isotopes, Venera Satellites, Venus (Planet), Abundance, Block Diagrams, Descent Trajectories, Gamma Rays, Planetary Radiation, Planetary Structure, Potassium Isotopes, Satellite-Borne Instruments, Thorium Isotopes, Uranium Isotopes
Scientific paper
The gamma-spectrometric equipment aboard Venera 9 and 10 is described, and some results of measurements of the content of natural radioactive elements U, Th, and K in the Venus soil from their gamma radiation are reported. The instrument recorded gamma radiation in three energy intervals: 1.15-1.55 MeV, 1.55-2.3 MeV, and above 2.3 MeV. Preliminary results indicate that at the two landing sites of Venera 9 and Venera 10, the soils have natural radioactive element contents close to terrestrial basalts. On the basis of a terrestrial analogy, the soils investigated can be assigned to a zone between the toleite and alkali basalts, i.e., to soils that are the product of shallow differentiation of the primary material of the planet.
Dunchenko A. G.
Glazov V. N.
Kirnozov F. F.
Surkov Iu. A.
Tatsii L. P.
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