Other
Scientific paper
Jul 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979sci...205...90p&link_type=abstract
Science, vol. 205, July 6, 1979, p. 90-93. NASA-supported research.
Other
6
Radar Imagery, Satellite-Borne Radar, Topography, Venus Surface, Altimeters, Ground Truth, Image Resolution, Pioneer Venus Spacecraft, Plateaus, Radar Maps
Scientific paper
Three large Venus surface features, identified previously in images obtained from earth-based radar observations, are shown by the Pioneer Venus radar mapper to be elevated 5 to 10 km above the surrounding terrain. Two of these features, one bright and the other dark, lie adjacent to each other astride the 65 N parallel between longitudes 310 E and 10 E. The combined region forms a huge tectonically uplifted plateau, surmounted by radar-bright ridges that may have either a volcanic or tectonic origin. The third feature, located at 30 N, 283 E, is radar-bright and may consist of volcanic material extruded along a fault zone. A first radar-scattering image, compiled from data obtained by the mapper in its imaging mode, shows a region north of the equator; several circular depressions seen in this area may result from meteoritic impact.
Brown William E.
Eliason E.
Ford Peter G.
Kaula William M.
Masursky Harold
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