File:Ein Krater mit zentraler Vertiefung in Noachis Terra (27137312640).jpeg
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[edit]DescriptionEin Krater mit zentraler Vertiefung in Noachis Terra (27137312640).jpeg |
Deutsch: Diese Aufnahme der vom Deutschen Zentrum für Luft- und Raumfahrt (DLR) betriebenen, hochauflösenden Stereokamera HRSC auf der europäischen Raumsonde Mars Express zeigt einen Teil der Region Noachis Terra im südlichen Hochland des Mars. Der abgebildete Krater ist etwa vier Kilometer tief und hat einen Durchmesser von etwa 50 Kilometern. Er besitzt eine zentrale Vertiefung und Entwässerungstäler am Kraterrand. Diese Strukturen weisen auf das Vorhandensein von Eis im Untergrund hin. Auffallend ist insbesondere ein kleines Feld von schwarzen Dünen im Inneren des Kraters, die vermutlich aus Staub und Sand erodierter vulkanischer Gesteine bestehen, die der Wind ins Kraterinnere verfrachtet hat.
Das Kamerasystem HRSC auf Mars Express ist nimmt die Marsoberfläche gleichzeitig in hoher Auflösung, in 3D und mit vier Farbfiltern im sichtbaren Licht für die Farben Blau, Grün und Rot sowie in Wellenlängen des nahen Infrarot auf. Diese aus dem senkrecht auf den Mars gerichteten Nadirkanal und den Farbkanälen erzeugte, kontrastverstärkte Echtfabendarstellung lässt gut Materialunterschiede in der sonst meist sehr eintönigen Marsoberfläche erkennen. Weiter auf: www.dlr.de/dlr/desktopdefault.aspx/tabid-10333/623_read-1... Über Mars Express: www.dlr.de/mars Credit: ESA/DLR/FU Berlin - CC BY-SA 3.0 IGOEnglish: This image from the German Aerospace Center (DLR) high-resolution stereo camera HRSC on board Europe's Mars Express spacecraft shows part of the Noachis Terra region in the southern highlands of Mars. The crater pictured is about four kilometers deep and about 50 kilometers in diameter. It has a central depression and drainage valleys at the rim of the crater. These structures indicate the presence of ice underground. What is particularly striking is a small field of black dunes inside the crater, which probably consist of dust and sand from eroded volcanic rocks that the wind has transported into the interior of the crater. The HRSC camera system on Mars Express is simultaneously recording the Martian surface in high resolution, in 3D and with four color filters in visible light for the colors blue, green and red as well as in wavelengths in the near infrared. This contrast-enhanced true-color representation, generated from the nadir channel pointing perpendicularly at Mars and the color channels, makes it easy to recognize material differences in the otherwise mostly very monotonous surface of Mars. Go to: www.dlr.de/dlr/desktopdefault.aspx/tabid-10333/623_read-1... About Mars Express: www.dlr.de/mars Credit: ESA/DLR/FU Berlin - CC BY-SA 3.0 I.GO |
Date | Taken on 11 May 2016, 18:27 |
Source | Ein Krater mit zentraler Vertiefung in Noachis Terra |
Author | DLR_de |
Flickr set InfoField | Mars Express |
Flickr tags InfoField | topographie; marsexpress; mars; dlr; hrsc; kamera; krater |
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This image was originally posted to Flickr by DLR_de at https://flickr.com/photos/48213136@N06/27137312640. It was reviewed on 11 February 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
11 February 2023
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