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| | | | | | | Ice-covered martian North Pole
6 March 2009
| ESA’s Mars Express orbiter imaged the snow-laden region of Rupes Tenuis on the martian north pole on 29 July 2008.
Rupes Tenuis is located at the southern edge of the martian north polar cap, approximately 5500 km northeast of the Tharsis volcanic region.
The images are at about 81° north and 297° east and have a ground resolution of approximately 41 m/pixel. They cover an area of about 44 000 km2, almost as large as the Netherlands.
Credits: ESA/ DLR/ FU Berlin (G. Neukum) | |  |  | |
| | | | | ESA’s Mars Express orbiter imaged the snow-laden region of Rupes Tenuis on the martian north pole on 29 July 2008. The map is centred at about 81° north and 297° east.
Rupes Tenuis is located at the southern edge of the martian north polar cap, approximately 5500 km northeast of the Tharsis volcanic region.
The area imaged is about 44 000 km2 in size, almost as large as the Netherlands.
Credits: FU Berlin/MOLA | | | | |
| | | | | ESA’s Mars Express orbiter imaged the snow-laden region of Rupes Tenuis on the martian north pole on 29 July 2008.
Rupes Tenuis is located at the southern edge of the martian north polar cap, approximately 5500 km northeast of the Tharsis volcanic region.
The images are at about 81° north and 297° east and have a ground resolution of approximately 41 m/pixel. They cover an area of about 44 000 km2, almost as large as the Netherlands.
Credits: ESA/ DLR/ FU Berlin (G. Neukum) | | | | |
| | | | | ESA’s Mars Express orbiter imaged the snow-laden region of Rupes Tenuis on the martian north pole on 29 July 2008.
Rupes Tenuis is located at the southern edge of the martian north polar cap, approximately 5500 km northeast of the Tharsis volcanic region.
The images are at about 81° north and 297° east and have a ground resolution of approximately 41 m/pixel. They cover an area of about 44 000 km2, almost as large as the Netherlands.
Credits: ESA/ DLR/ FU Berlin (G. Neukum) | | | | |
| | | | | ESA’s Mars Express orbiter imaged the snow-laden region of Rupes Tenuis on the martian north pole on 29 July 2008.
Rupes Tenuis is located at the southern edge of the martian north polar cap, approximately 5500 km northeast of the Tharsis volcanic region.
The images are at about 81° north and 297° east and have a ground resolution of approximately 41 m/pixel. They cover an area of about 44 000 km2, almost as large as the Netherlands.
Credits: ESA/ DLR/ FU Berlin (G. Neukum) | | | | |
| | | | | ESA’s Mars Express orbiter imaged the snow-laden region of Rupes Tenuis on the martian north pole on 29 July 2008.
Rupes Tenuis is located at the southern edge of the martian north polar cap, approximately 5500 km northeast of the Tharsis volcanic region.
The images are at about 81° north and 297° east and have a ground resolution of approximately 41 m/pixel. They cover an area of about 44 000 km2, almost as large as the Netherlands.
Darker material, mostly dust, is brought in by the wind, and snow and ice are deposited in colder periods. This interplay between sedimentation and ice formation forms the Polar Layered Deposits visible clearly in the images (1).
An incision visible at top-centre of the image is more than 100 km long (2). Such curved incisions are common on the edges of the polar caps. Why such structures form is still not known. Chasma Borealis, visible on the right-hand side of the image, is one such incision.
Small, cone-shaped mounds (3) have long been interpreted as being volcanic in origin. New data suggest that some of the mounds may be remnants of older material that covered the area earlier. This material may have been more resistant to erosion, forming the mounds.
Credits: ESA/ DLR/ FU Berlin (G. Neukum) | | | | |
| | | | | ESA’s Mars Express orbiter imaged the snow-laden region of Rupes Tenuis on the martian north pole on 29 July 2008.
Rupes Tenuis is located at the southern edge of the martian north polar cap, approximately 5500 km northeast of the Tharsis volcanic region.
The images are at about 81° north and 297° east and have a ground resolution of approximately 41 m/pixel. They cover an area of about 44 000 km2, almost as large as the Netherlands.
This anaglyph image was calculated from the nadir and one stereo channel. Stereoscopic glasses are required for viewing.
Credits: ESA/ DLR/ FU Berlin (G. Neukum) | | | | |
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| | Mars Express image browser  Related articles The Euminedes Dorsum mountains on MarsLava deposits in Mangala FossaeEchus ChasmaEchus Chasma, page twoCrater in martian valley Mamers VallesHebes Chasma, a trough in the Grand Canyon of MarsIcy Promethei PlanumDeep valleys of Candor ChasmaESA presents Mars in 3DTraces of the martian past in the Terby craterRelated links High Resolution Stereo CameraBehind the lens...Frequently asked questionsFor specialists ESA Planetary Science archive (PSA)NASA Planetary Data SystemHRSC data viewer
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