File:MRO image of Mars North Pole edit1.jpg
Original file (2,000 × 5,060 pixels, file size: 8.7 MB, MIME type: image/jpeg)
Captions
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Summary
[edit]DescriptionMRO image of Mars North Pole edit1.jpg |
English: ==Caption==
This false-color subframe shows the north polar layered deposits at top and darker materials at bottom exposed in a scarp at the head of Chasma Boreale, a large canyon eroded into the layered deposits. The polar layered deposits appear red because of dust mixed within them, but are ice-rich as indicated by previous observations. The water ice in the layered deposits is probably responsible for the pattern of fractures seen near the top of the scarp. The darker material below the layered deposits may have been deposited as sand dunes, as indicated by the cross-bedding (truncation of curved lines) seen near the middle of the scarp. It appears that brighter, ice-rich layers were deposited between the dark dunes in places. Image PSP_001334_2645 was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 8, 2006. The complete image is centered at 84.4 degrees latitude, 343.5 degrees East longitude. The range to the target site was 317.4 km (198.4 miles). At this distance the image scale ranges from 31.8 cm/pixel (with 1 x 1 binning) to 63.5 cm/pixel (with 2 x 2 binning). The image shown here [below] has been map-projected to 25 cm/pixel. The image was taken at a local Mars time of 1:38 PM and the scene is illuminated from the west with a solar incidence angle of 67 degrees, thus the sun was about 23 degrees above the horizon. At a solar longitude of 132.3 degrees, the season on Mars is Northern Summer. original by NASA, modded by me, user:debivort, to remove some red channel streaks. 12.06 |
Date | 16 December 2006 (original upload date) |
Source |
Own work Transferred from en.wikipedia |
Author | Debivort at en.wikipedia |
Licensing
[edit]This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers. | ||
Attribution: Debivort at en.wikipedia | ||
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. Subject to disclaimers.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
Original upload log
[edit]- 2006-12-16 02:15 Debivort 2000×5060 (9127672 bytes) original by nasa, modded by me, user:debivort, to remove some red channel streaks. 12.06
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:45, 16 October 2011 | 2,000 × 5,060 (8.7 MB) | BotMultichill (talk | contribs) | {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} == {{int:filedesc}} == {{Information |description={{en|1===Caption== This false-color subframe shows the north polar layered deposits |
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Metadata
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Orientation | Normal |
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Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS Macintosh |
File change date and time | 21:06, 15 December 2006 |
Color space | sRGB |
Image width | 2,000 px |
Image height | 5,060 px |
Date and time of digitizing | 19:46, 14 December 2006 |
Date metadata was last modified | 16:06, 15 December 2006 |
IIM version | 2 |