An albedo-color diagram of a section of the Venusian surface and its interpretation

Details An albedo-color diagram of a section of the Venusian surface and its interpretation An albedo-color diagram of a section of the Venusian surface and its interpretation

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987avest..21..152s&link_type=abstract

Astronomicheskii Vestnik (ISSN 0320-930X), vol. 21, Apr.-June 1987, p. 152-164. In Russian.

Astronomy and Astrophysics

Astronomy

Albedo, Remote Sensing, Venus Surface, Color, Iron, Minerals, Venus Probes

Scientific paper

A method and results of statistical treatment of TV images of the Venus surface obtained by Venera-13 spaceprobe are described. A comparison of the constructed correlation albedo-color diagram and the theoretical one permits to conclude that the color index in terms of absorption (0,53/0,62 μm) is higher by ≡40% for the soil than for the rock. Possible reasons of revealed differences are discussed. Both, small excess of red color and low albedo of the venusian surface could be explained by the presence of mafic Fe3+-bearing minerals such as aegirin, epidote, magnetite, sphene and not necessary of hematite as usually proposed.

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