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Deuteronilus Mensae Perspective
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Deuteronilus Mensae Perspective

May 23, 2007

The High Resolution Stereo Camera (HRSC) on board ESA's Mars Express has captured breathtaking images of the Deuteronilus Mensae region on Mars.

The images were taken on 14 March 2005 during orbit number 1483 of the Mars Express spacecraft with a ground resolution of approximately 29 metres per pixel.

They show the Deuteronilus Mensae region, located on the northern edge of Arabia Terra and bordering the southern highlands and the northern lowlands. Situated at approximately 39° North and 23° East, Deuteronilus Mensae are primarily characterised by glacial features. The scene is illuminated by the Sun from the south-west (from bottom left in the image).

The scene is dominated by a depression measuring approximately 2000 metres in depth and 110 kilometres in diameter, north to south.

Deeply incised valleys of a depth ranging from 800 to 1200 metres are clearly identifiable in the northern part of the scene. Deeply incised valleys with a depth ranging from 800 to 1200 metres are clearly identifiable in the northern part of the scene.

It is believed that these valleys may have originated due to intense flooding by melted water ice. The water then froze rather quickly, flowing down the slopes of the depression like a glacier. Aeolian sediments (eroded by the action of wind) traced the flow pattern on the surface.

The northern part exhibits a finger - shaped elevation which was circumvented by the masses of water and ice.

To the west, the flow of water mixed with ice broke through another elevation and formed a drop - shaped feature while flowing into the depression.

This image shows a perspective view of the Deuteronilus Mensae region on Mars. It was taken by the High-Resolution Stereo Camera (HRSC) onboard ESA's Mars Express with a ground resolution of approximately 29 metres per pixel.

It is believed that the valleys visible in the image may have originated from intense flooding by melted water ice. The water then froze rather quickly and flowed down the slopes of the depression like a glacier.

The view has been calculated from the digital terrain model derived from the stereo channels.