File:Close to Ma'adim Vallis, ortho-image ESA230204.jpg
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[edit]DescriptionClose to Ma'adim Vallis, ortho-image ESA230204.jpg |
English: Mars Express image of a region close to Ma’adim Vallis, one of the largest canyons on Mars. After Valles Marineris, Ma’adim Vallis is one of the largest canyons on Mars. The imaged region lies south-east of Ma’adim Vallis; the pictures are centred at about 29°S and 182°E and have a ground resolution of 15 m/pixel.
Ma’adim Vallis is located between the volcanic region of Tharsis, which harbours four volcanoes, including the largest in the Solar System, and the Hellas Planitia impact basin. The canyon, 20 km wide and 2 km deep, originates in the southern highlands close to the ‘dichotomy boundary’ and ends in Gusev crater. The dichotomy boundary is a narrow region separating the cratered highlands, located mostly in the southern hemisphere of Mars, from the northern hemisphere's lowland plains. This ortho-image was rectified using elevation data derived from a high-resolution Digital Terrain Model, or DTM (obtained from HRSC data), such that distortions introduced during imaging are corrected. Such an image can be used to derive maps. Elevation data from the DTM has been colour-coded and overlain on the ortho-image so that elevation data and the image itself are displayed in a single scene. The scale is in metres. |
Date | |
Source | http://www.esa.int/spaceinimages/Images/2009/07/Close_to_Ma_adim_Vallis_ortho-image |
Author | European Space Agency |
Permission (Reusing this file) |
ESA/DLR/FU Berlin (G. Neukum),CC BY-SA 3.0 IGO |
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Title InfoField | Close to Ma'adim Vallis, ortho-image |
Mission InfoField | Mars Express |
Activity InfoField | Space Science |
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current | 15:52, 24 May 2017 | ![]() | 4,000 × 2,001 (2.05 MB) | Fæ (talk | contribs) | European Space Agency, Id 230204, http://www.esa.int/spaceinimages/Images/2009/07/Close_to_Ma_adim_Vallis_ortho-image, User:Fæ/Project_list/ESA |
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height | 2,001 |
width | 4,000 |
Width | 6,956 px |
Height | 3,480 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 CS4 Windows |
File change date and time | 11:53, 16 July 2009 |
Color space | Uncalibrated |
Image width | 4,000 px |
Image height | 2,001 px |
Date and time of digitizing | 17:36, 29 June 2009 |
Date metadata was last modified | 13:53, 16 July 2009 |
Unique ID of original document | uuid:F051C88BB164DE11826BE6CA67AEA7AD |
IIM version | 2 |