Physics
Scientific paper
Feb 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985lpsc...15..757b&link_type=abstract
(Lunar and Planetary Institute, NASA, American Geophysical Union, et al., Lunar and Planetary Science Conference, 15th, Houston,
Physics
10
Earth Gravitation, Earth Planetary Structure, Geoids, Gravity Anomalies, Planetary Gravitation, Venus (Planet), Doppler Effect, Line Of Sight, Mass Distribution, Pioneer Venus 1 Spacecraft, Planetary Crusts, Spline Functions, Topography, Venus Surface, Volcanology, Venus, Gravity Fields, Altitude, Comparisons, Earth, Anomalies, Doppler Methods, Observations, Harmonics, Models, Data, Mapping, Maps, Topography, Magnitude, Crust
Scientific paper
The gravity field of Venus is characterized in gravity-anomaly and geoid-undulation maps produced by applying the harmonic-spline technique (Shure et al., 1982 and 1983; Parker and Shure, 1982) to Pioneer Venus Orbiter line-of-sight data. A positive correlation between Venusian topographic features and gravity anomalies is observed, in contrast to the noncorrelation seen on earth, and attributed to the thicker crust of Venus (70-80 vs 5-40 km for earth), crustal loading by recent volcanism, and possible regional elevation due to deep heating and thermal expansion.
Abers G.
Bowin Carl
Shure Loren
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