Physics
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986georl..13.1415b&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 13, Dec. 1986, p. 1415-1418.
Physics
5
Landing Sites, Pioneer Venus Spacecraft, Spacecraft Landing, Vega Project, Venera Satellites, Venus Radar Echoes, Mean Square Values, Plains, Slopes, Volcanoes
Scientific paper
Pioneer Venus radar data on surface properties have been used to compare the Vega spacecraft landing sites with the northern 1/4 of Venus mapped by the orbiters Venera 15 and 16. The regions surrounding both landing sites possess surface reflectivity and small-scale roughness properties most similar to those of mapped volcanoes and volcanic plains regions and different surface properties than those of mapped tectonic units. Regions analogous to the Vega 1 site are relatively rare, covering 2.8 percent of the mapped surface. Vega 2 analogs are much more common and cover 22.6 percent of the surface. Neither landing site is representative of the nearby highlands of Aphrodite, but the Vega 2 landing site is similar to much of the northern plains of Venus.
Bindschadler Duane L.
Garvin James B.
Head James W. III
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