File:Hellas Chaos (15703913430).jpg
![File:Hellas Chaos (15703913430).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/7/75/Hellas_Chaos_%2815703913430%29.jpg/800px-Hellas_Chaos_%2815703913430%29.jpg?20141218142851)
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Summary
[edit]DescriptionHellas Chaos (15703913430).jpg |
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. |
Date | |
Source | Hellas Chaos |
Author | European Space Agency |
Permission (Reusing this file) |
ESA/DLR/FU Berlin (G. Neukum), CC BY-SA 3.0 IGO |
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This image was originally posted to Flickr by europeanspaceagency at https://www.flickr.com/photos/37472264@N04/15703913430. It was reviewed on 18 December 2014 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
18 December 2014
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:28, 18 December 2014 | ![]() | 7,745 × 3,600 (2.36 MB) | Coyau (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Author | Björn Schreiner - FU Berlin |
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Width | 7,745 px |
Height | 3,600 px |
Bits per component |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | planar format |
Software used | Adobe Photoshop CS6 (Windows) |
File change date and time | 11:15, 26 November 2014 |
Exif version | 2.21 |
Color space | Uncalibrated |
Date and time of digitizing | 21:20, 12 August 2014 |
Date metadata was last modified | 12:15, 26 November 2014 |
Unique ID of original document | xmp.did:111584F64322E4119BA8D65C68EF3830 |
IIM version | 14 |