File:Hellas Chaos ESA15081116.tiff

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English: Hellas Chaos, in the southern central part of the giant Hellas basin, stretches roughly 200 km north–south and for about 500 km in an east–west direction. It shows a variety of landforms, from large impact craters containing wind-blown dunes or flat-topped mesas, to ridges and troughs with rough knobs of material protruding from the surface. The region is also dusted with carbon dioxide frost. In the right-hand portion of the image, the curved outlines of large sublimation pits are interspersed with polygonal-patterned terrain. These features are typical of ‘periglacial’ terrain, and develop as a result of contraction and relaxation during freeze–thaw cycles as the seasons change.
The image was acquired by the High Resolution Stereo Camera on ESA’s Mars Express on 23 January 2014 during orbit 12 785. The image is centred on 46ºS / 69ºE. The ground resolution is about 18 m per pixel. North is to the right and west is at the top.
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This work is licenced under the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence. The user is allowed to reproduce, distribute, adapt, translate and publicly perform this publication, without explicit permission, provided that the content is accompanied by an acknowledgement that the source is credited as 'European Space Agency – ESA', a direct link to the licence text is provided and that it is clearly indicated if changes were made to the original content. Adaptation/translation/derivatives must be distributed under the same licence terms as this publication. To view a copy of this license, please visit https://creativecommons.org/licenses/by-sa/3.0/igo/
Date 27 November 2014 (upload date)
Source Hellas Chaos
Author ESA/DLR/FU Berlin
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Mars Express

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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:
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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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current21:35, 11 June 2020Thumbnail for version as of 21:35, 11 June 20207,745 × 3,600 (64.98 MB)OptimusPrimeBot (talk | contribs)#Spacemedia - Upload of https://esamultimedia.esa.int/img/2014/11/ESA_MEX_HellasChaos.tif via Commons:Spacemedia

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