File:Krater mit Dünenfeld in der Nähe des Vulkans Aonia Tholus (23657058408).jpeg

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Deutsch: Die vom DLR betriebene HRSC auf Mars Express 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 Echtfarbendarstellung lässt gut Materialunterschiede in der sonst meist sehr eintönigen Marsoberfläche erkennen. Auffallend ist insbesondere das dunkle Dünenfeld innerhalb des 48 Kilometer großen Einschlagskraters (links). Der Krater befindet sich unweit des Vulkans Aonia Tholus. Frühere vulkanische Aktivität auf dem Mars erzeugte große Mengen feinkörniger Asche, die im Laufe der Zeit von anderem Gesteinsmaterial überdeckt wurde. Durch Einschlagskrater wurden diese verdeckten Schickten wieder freigelegt – sie gelten deshalb als wahrscheinliche Quelle für die dunklen Dünen. Norden liegt rechts im Bild.

Mehr dazu: www.dlr.de/dlr/desktopdefault.aspx/tabid-10333/623_read-2...


www.dlr.de/mars

Credit: ESA/DLR/FU Berlin, CC BY-SA 3.0 IGO
English: The HRSC on Mars Express, operated by DLR, simultaneously records 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 near-infrared wavelengths. This contrast-enhanced, true-color display, generated from the nadir channel, which is directed perpendicularly to Mars, and the color channels, makes it easy to see material differences in the otherwise mostly very monotonous surface of Mars. The dark dune field within the 48-kilometer impact crater (left) is particularly striking. The crater is located near the volcano Aonia Tholus. Previous volcanic activity on Mars produced large amounts of fine-grained ash, which over time became covered by other rocky material. These hidden layers were uncovered again by impact craters - they are therefore regarded as a probable source for the dark dunes. North is on the right in the picture. More on this: www.dlr.de/dlr/desktopdefault.aspx/tabid-10333/623_read-2... www.dlr.de/mars Credit: ESA/DLR/FU Berlin, CC BY-SA 3.0 IGO
Date Taken on 29 August 2017, 18:51:55
Source Krater mit Dünenfeld in der Nähe des Vulkans Aonia Tholus
Author DLR_de
Flickr set
InfoField
Mars Express
Flickr tags
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roterplanet; marsexpress; mars; planet; stereokamera; hrsc; planetenforschung; kamera

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w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
You are free:
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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 image was originally posted to Flickr by DLR_de at https://flickr.com/photos/48213136@N06/23657058408. It was reviewed on 12 February 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0.

12 February 2023

w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 3.0 Germany license.
Attribution: DLR, CC-BY 3.0
You are free:
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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.
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:
  • the source of the image or video is duly credited (Examples: "Credit: ESA/Rosetta/NavCam – CC BY-SA IGO 3.0", "ESA/DLR/FU Berlin, CC BY-SA IGO 3.0", "ESA/Photographer’s name, CC BY-SA IGO 3.0"), and
  • a direct link to the CC BY-SA 3.0 IGO license text is provided, and
  • if changes were made to the original image or video, there is a clear statement on the Adaptation indicating that changes were made to the original content; Adaptations must be Distributed or Publicly Performed under the Applicable License, as set forth in Article 4b of the CC BY-SA 3.0 IGO licence.
See the ESA Creative Commons copyright notice for complete information, and this article for additional details.
w:en:Creative Commons
attribution share alike
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
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.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

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