Using special photogrammetric techniques, Mars' topography is being systematically mapped at a scale of 1:2,000,000 from high-altitude Viking Orbiter images. Of the 140 maps in the series, 120 have previously been compiled on the AS-11AM analytical stereoplotters. In fiscal year 1991, the remaining 20 maps will be compiled (most of these are between +/- 30 degrees latitude and the poles). Elevations on the maps are related to the Mars topographic datum. The Mars planetwide control net is used for the control of compilation. The maps have a contour interval of 1 km and a vertical precision of +/- 1 km; thus, they are more detailed than previous maps.


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    Title :

    Completion of compilation of the 1:2,000,000-scale topographic map series of Mars


    Contributors:


    Publication date :

    1991-06-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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