The Soviet maps of Venus

Details The Soviet maps of Venus The Soviet maps of Venus

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990space...6...36r&link_type=abstract

Space (ISSN 0267-954X), vol. 6, Jan.-Feb. 1990, p. 36-39.

Astronomy and Astrophysics

Astronomy

Venus, Maps, Photographs, Surface, Features, Venera Missions, Tectonism, Spacecraft Observations, Radio Methods, Design, Orbiters, Terrain, Topography, Popular, Mission Description, Ishtar Terra, Mountains, Volcanoes, Plains, Craters, Nomenclature, Wavelengths, Infrared, Atmosphere, Thermal Properties, Imagery, Lakshmi Planum, Polar Regions, Sedna Plantia, Maxwell Montes, Description, Morphology, Comparisons, Erosion, Sedimentation, Volcanism

Scientific paper

The USSR began mapping parts of Venus almost six years ago and have published a series of scientific results, reaching a few limited conclusions about Venus. While based on the traditional second generation Venera orbiter design, Veneras 15 and 16 carried Polyus-V sidelooking synthetic-aperture radars which used the orbiter's motion over Venus to 'synthesize' an antenna of far larger size than could practically be carried to the planet. The resolution and coverage achieved is better than one kilometer over most of the surface compared with one tenth of a kilometer partial cover expected from the Venus Radar Mapper. The radar data will take years to analyze completely, but initial results have been released and the Soviet Union has compiled an atlas of radar images. Cartographers named two craters after American astronauts Judith Resnik and Sharon Christa McAuliffe. One of the conclusions is that Venus is not a 'single plate' planet, like the earth's moon or Mercury; its crust is distinctly broken into individual blocks with independent movements. It appears that extensive volcanism is a universal factor in the evolution of planets in the inner solar system.

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