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06.03.2009
HRSC Press Release #427 - Rupes Tenuis (orbit 5872)
Perspective view [1] |
On 29 July 2008 the High-Resolution Stereo Camera (HRSC), under the leadership of the Principal Investigator Prof. Dr. Gerhard Neukum of Freie Universitaet Berlin, onboard the ESA spacecraft Mars Express obtained image data in orbit 5872 with a ground resolution of approximately 41 meters per pixel. The data were acquired in the region of Rupes Tenuis at approximately 81° northern latitude and 297° eastern longitude.
Context Map [2] |
Rupes Tenuis is located at the southern edge of the Martian northern polar cap, approximately 5.500 kilometers north-northeast of the volcanic region Tharsis. The image exhibits an area covering approximately 44.000 km² which is almost the size of the Netherlands. The right side of the image exhibits a small section of Chasma Borealis.
Color-coded elevation model [3] |
The northern and southern polar caps accommodate the largest present day water reservoir of Mars. Recent data of the MARSIS Experiment on board Mars Express revealed that both, the southern polar ice shield as well as the northern polar ice shield, reaches a thickness of up to 3.500 meters.
Feature Map [4] |
During the warmer period in summer most of the cm to dm thick layers of frozen carbon dioxide sublimates and escapes into the atmosphere. The hard water-ice-core remains as an ice-shield. The interplay of sedimentation of darker material (mostly dust) transported by wind and the re-deposition of snow and ice during the colder periods leads to the formation of the so-called Polar Layered Deposits which are clearly visible in the image (1).
Nadir Image [5] |
The upper edge of the image exhibits a more than 100 kilometers long incision (2). These helical incisions are common on the edges of the polar caps. The processes leading to the formation of these structures is still debated. Chasma Borealis, visible on the right edge of the image, is one of these incisions.
RGB Colour Image [6] |
Small, cone shaped uprisings (3) have long be interpreted as being volcanic in origin. New data suggested that some uprisings might also be remnants of older material formerly covering the area. The material might have been more resistant to erosion, forming the uprisings.
Red-cyan anaglyph [7] |
The colour scenes have been derived from the three HRSC-colour channels and the nadir channel. The perspective views have been calculated from the digital terrain model derived from the stereo channels. The anaglyph image was calculated from the nadir and one stereo channel. The black and white high resolution image was derived from the nadir channel which provides the highest detail of all channels.
Das Kameraexperiment HRSC auf der Mission Mars Express der
Europäischen Weltraumorganisation ESA wird vom Principal Investigator Prof. Dr.
Gerhard Neukum (Freie Universität Berlin), der auch die technische Konzeption der
hochauflösenden Stereokamera entworfen hatte, geleitet. Das
Wissenschaftsteam besteht aus 40 Co-Investigatoren aus 33 Institutionen und zehn
Nationen. Die Kamera wurde am Deutschen Zentrum für Luft- und Raumfahrt (DLR) unter der
Leitung des Principal Investigators (PI) G. Neukum entwickelt und in Kooperation mit
industriellen Partnern gebaut (EADS Astrium, Lewicki Microelectronic GmbH und Jena
-Optronik GmbH). Sie wird vom DLR -Institut für Planetenforschung in Berlin-Adlershof
betrieben. Die systematische Prozessierung der Daten erfolgt am DLR. Die Darstellungen
wurden vom Institut für Geologische Wissenschaften der FU Berlin in Zusammenarbeit
mit dem DLR-Institut für Planetenforschung erstellt.
The High Resolution Stereo Camera (HRSC) experiment on the ESA Mars Express Mission is led by the
Principal Investigator (PI) Prof. Dr. Gerhard Neukum who also designed the camera technically. The
science team of the experiment consists of 40 Co-Investigators from 33 institutions and 10 nations.
The camera was developed at the German
Aerospace Center (DLR) under
the leadership of the PI G. Neukum and built in cooperation with industrial partners (EADS
Astrium, Lewicki Microelectronic GmbH and Jena-Optronik GmbH). The experiment on Mars Express
is operated by the DLR Institute of Planetary Research, through ESA/ESOC. The systematic
processing of the HRSC image data is carried out at DLR. The scenes shown here were created
by the PI-group at the Institute for Geological Sciences of the Freie Universitaet Berlin in
cooperation with the German Aerospace Center (DLR), Institute of Planetary Research, Berlin.
Download
hochaufgelöste Bilddaten / high resolution image data
Context Map [2]: |
Color-coded elevation model [3]: |
Feature Map [4]: |
Nadir Image [5]: |
RGB Colour Image [6]: |
Red-cyan anaglyph [7]: |
Perspective view [1]: |
© Copyright: ESA/DLR/FU Berlin (G. Neukum)