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Mangala Fossae, ortho-image



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Mangala Fossae, ortho-image
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The Mangala Fossae trough, a system of outflow channels on Mars that bears evidence of lava deposition and catastrophic floods.

The HRSC on board Mars Express obtained images of this region centred at 17° south and 213° east on 21 March 2007. Mangala Fossae is approximately 1000 km long, located south-west of the volcanic region Tharsis, where the highest known volcano in the Solar System, Olympus Mons, is located.

The ortho-image was rectified using elevation data derived from a high-resolution Digital Terrain Model, or DTM (obtained from HRSC data), such that distortions introduced during imaging are corrected. Such an image can be used to derive maps. Elevation data from the DTM has been colour-coded and overlain on the ortho-image so that elevation data and the image itself are displayed in a single scene. The scale is in metres.

Credits: ESA/ DLR/FU Berlin (G. Neukum).
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