The global shape of Mars - Preliminary results from a reanalysis of the Viking Mars control point network

Details The global shape of Mars - Preliminary results from a reanalysis of the Viking Mars control point network The global shape of Mars - Preliminary results from a reanalysis of the Viking Mars control point network

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28.1619z&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 619.

Physics

Mars Surface, Surface Geometry, Viking Spacecraft, Radar Imagery, Image Analysis, Spatial Resolution, Gravitational Fields, Linear Equations, Cd-Rom

Scientific paper

A reanalysis of the USGS Viking control point network was carried out to update current models of Mars global shape. A sphere and ellipsoids with two and three axes were fitted to describe the reference body of Mars. A global map clearly identifying major topographic features, such as the Hellas and Argyre impact basins and the Tharsis volcanoes, was obtained. It is shown that the spatial resolution of the present model greatly exceeds that of recently derived global shape models from occultation data.

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