File:Arda Valles ESA15820011.tiff
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DescriptionArda Valles ESA15820011.tiff |
English: The Arda Valles region of Mars, comprising the network of drainage valleys seen in the left-hand portion of the image. The region lies on the western rim of an ancient large impact basin, which can be seen in the right-hand portion of the image. The region has been heavily influenced by the action of water. In addition to the drainage valleys, the crater to the right of centre was once filled by muddy sediments that later collapsed into the chaotic terrain seen in the crater floor. Zooming in to the left of this crater, just above the bottom central crater, reveals light-toned deposits that have been identified as clays, formed in the presence of water. The fractured terrain to the right of the scene is also linked to the loss of underground ice and evaporating water. The fractures are also likely linked to stresses in the surface materials due to the compaction of sediments deposited by water. The region was imaged by the High Resolution Stereo Camera on Mars Express on 20 July 2015 during orbit 14649. The image is centred on 19°S / 327°E; the ground resolution is about 14 m per pixel. |
Date | 18 February 2016 (upload date) |
Source | Arda Valles |
Author | ESA/DLR/FU Berlin |
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Activity InfoField | Space Science |
Mission InfoField | Mars Express |
Licensing edit
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 | 20:35, 11 June 2020 | 9,885 × 3,600 (86.98 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://esamultimedia.esa.int/img/2016/02/ESA_MEX_ArdaValles_.tif via Commons:Spacemedia |
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Width | 9,885 px |
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Height | 3,600 px |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 8 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS6 (Windows) |
File change date and time | 15:18, 3 February 2016 |
Color space | sRGB |