File:Falschfarbendarstellung der Topographie eines Kraters in Noachis Terra (27341698341).jpeg
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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 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.
Aus dem senkrecht auf den Mars gerichteten Nadirkanal und den Stereokanälen der High Resolution Stereo Camera (HRSC) auf Mars Express lassen sich digitale Geländemodelle der Marsoberfläche in einer Genauigkeit von bis zu zehn Meter pro Bildpunkt (Pixel) ableiten. In dieser farbkodierten Darstellung werden die absoluten Höhen über einem Bezugsniveau, dem Areoid (vom griechischen Wort für den Mars, Ares) dargestellt. Anhand der Bildlegende für die Höhenskalierung - rechts oben im Bild - lässt sich ablesen, dass der Krater heute eine Tiefe von etwa vier Kilometern hat; ursprünglich war der Krater sogar noch tiefer, doch haben sich im Laufe der Jahrmillionen auf seinem Boden Sedimente abgelagert, die zum einen durch die Rinnen und Täler in den Kraterwänden nach unten verfrachtet wurden und zum anderen vom Wind eingebracht wurden. 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 has a central depression and drainage valleys at the crater rim. 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. Digital terrain models of the surface of Mars can be derived with an accuracy of up to ten meters per pixel from the nadir channel, which is directed perpendicularly to Mars, and the stereo channels of the High Resolution Stereo Camera (HRSC) on Mars Express. This color-coded plot shows the absolute heights above a reference level, the areoid (from the Greek word for Mars, Ares). The legend for the height scaling - top right of the image - shows that the crater has a depth of about four kilometers today; Originally, the crater was even deeper, but over the course of millions of years, sediments have been deposited on its floor, which on the one hand were transported down through the gullies and valleys in the crater walls and on the other hand were brought in by the wind. 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 10 May 2016, 18:41:57 |
| Source | Falschfarbendarstellung der Topographie eines Kraters in Noachis Terra |
| Author | DLR_de |
| Flickr set | Mars Express |
| Flickr tags | 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@N06/27341698341. 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. |
| This media has been released under a free license by the Deutsches Zentrum für Luft- und Raumfahrt (DLR). Their website states: "Where expressly stated, DLR images and videos are covered by a Creative Commons Attribution 3.0 Germany (CC BY 3.0) licence. This licence grants permission to reproduce or distribute the work, to make the work and/or its contents publically available, to alter or edit the work and/or its contents and to make commercial use of the work, provided that you explicitly mention DLR as its source in a clearly legible format. Examples: 'Photo: DLR, CC-BY 3.0', 'Images: DLR, CC-BY 3.0', 'Video: DLR, CC-BY 3.0'." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. |
This file is licensed under the Creative Commons Attribution 3.0 Germany license.
Attribution: DLR, CC-BY 3.0
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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This media was created by the European Space Agency (ESA).
Where expressly so stated, images or videos are covered by the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence, ESA being an Intergovernmental Organisation (IGO), as defined by the CC BY-SA 3.0 IGO licence. The user is allowed under the terms and conditions of the CC BY-SA 3.0 IGO license to Reproduce, Distribute and Publicly Perform the ESA images and videos released under CC BY-SA 3.0 IGO licence and the Adaptations thereof, without further explicit permission being necessary, for as long as the user complies with the conditions and restrictions set forth in the CC BY-SA 3.0 IGO licence, these including that:
See the ESA Creative Commons copyright notice for complete information, and this article for additional details.
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| This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 IGO license. Attribution: ESA/DLR/FU Berlin, CC BY-SA IGO 3.0
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 23:48, 11 February 2023 | | 7,231 × 3,600 (4.24 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://live.staticflickr.com/7460/27341698341_5fec9c8830_o.jpg via Commons:Spacemedia |
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