To­po­graph­ic im­age map of a part of the Utopia Plani­tia re­gion

To­po­graph­ic im­age map of a part of the Utopia Plani­tia re­gion
Credit: ESA/DLR/FU Berlin - CC BY-SA 3.0 IGO.

Topographic image map of a part of the Utopia Planitia region

Dig­i­tal ter­rain mod­els of the Mar­tian sur­face can be de­rived from da­ta ac­quired by the nadir chan­nel, which is di­rect­ed ver­ti­cal­ly on­to the Mar­tian sur­face, and the stereo chan­nels of the High Res­o­lu­tion Stereo Cam­era (HRSC) on Mars Ex­press. In this colour-cod­ed im­age, the ab­so­lute el­e­va­tions above a ref­er­ence lev­el, the aeroid (de­rived from Ares, the Greek name for Mars), are de­pict­ed. These el­e­va­tion val­ues can be read based on the colour key at the top right of the im­age.

Digital terrain models of the Martian surface can be derived from data acquired by the nadir channel, which is directed vertically onto the Martian surface, and the stereo channels of the High Resolution Stereo Camera (HRSC) on Mars Express. In this colour-coded image, the absolute elevations above a reference level, the aeroid (derived from Ares, the Greek name for Mars), are depicted. These elevation values can be read based on the colour key at the top right of the image.

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