Venus: Preliminary topographic and surface imaging results from the Pioneer orbiter
Science
By: G.H. Pettengill, P.G. Ford, W.E. Brown, W.M. Kaula, H. Masursky, E. Eliason, and G.E. McGill
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Abstract
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 elevateds to 10 kilometers 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.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Venus: Preliminary topographic and surface imaging results from the Pioneer orbiter |
| Series title | Science |
| Volume | 205 |
| Issue | 4401 |
| Year Published | 1979 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Science |
| First page | 91 |
| Last page | 93 |
| Google Analytic Metrics | Metrics page |