Physics
Scientific paper
Jul 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jgr....80.2909c&link_type=abstract
Journal of Geophysical Research, vol. 80, July 10, 1975, p. 2909-2913.
Physics
10
Mariner 9 Space Probe, Mars Surface, Planetary Mapping, Topography, Infrared Detectors, Infrared Spectra, Mars Atmosphere, Radar Measurement, Radio Occultation, Remote Sensors, Ultraviolet Spectra
Scientific paper
A new global topographic map of the planet Mars, derived primarily from Mariner 9 data, is presented. Spacecraft radio signal occultation times, remote sensing of infrared and ultraviolet spectra, and earth-based radar measurements are included in the data base. Large-scale topographic relief is seen with definite fluid flow patterns established over much of the surface consistent with earlier analyses. An optical flattening of 0.0059 is obtained with a center-of-mass to center-of-figure offset of approximately 2 km to the south and 1 km toward the Tharsis ridge. Mathematical models approximating the topographic figure and 6.1-mb isobaric surface for Mars are included in this presentation.
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