File:Richat Structure from Gemini IV.jpg
![File:Richat Structure from Gemini IV.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Richat_Structure_from_Gemini_IV.jpg/577px-Richat_Structure_from_Gemini_IV.jpg?20190628022532)
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Summary
editDescriptionRichat Structure from Gemini IV.jpg |
English: Photograph of the Richat Structure, Mauritania in West Africa taken during the Gemini IV mission during orbit no. 12, on June 4, 1965. G.E.T. time was 17:46; GMT time was 09:01. Original magazine number was GEM04-16-34670 taken with a modified Hasselblad camera and a 70mm lens. Film type was Kodak Ektachrome MS (S.O. -217), ASA 64, at a lens setting of 250th of a second at f/11. A black & white Master of this image exists. It's photo number is S65-32938. "The 22-mile-wide Richat structure in Mauritania is one of the most spectacular geologic features in Africa," according to PAUL. D. LOWMAN, JR of the Goddard Space Flight Center, NASA. "Resembling a gigantic bull's-eye, the Richat is a series of concentric ridges of resistant sedimentary rock. Structurally it is a domal uplift: its innermost rocks are Lower Cambrian limestones, surrounded by progressively younger rocks. The origin of this immense dome is not clearly understood. This synoptic view of the entire Richat structure and the surrounding area may throw new light on its origin." |
Date | Taken on 4 June 1965, 09:01 UTC |
Source | https://spaceflight.nasa.gov/gallery/images/gemini/gemini4/html/s65-34670.html (image link); text from https://catalog.archives.gov/id/5804919 and http://history.nasa.gov/SP-168/section3a.htm |
Author | NASA/Gemini 4 |
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This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: S65-34670. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. Other languages:
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Licensing
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ![]() |
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current | 02:25, 28 June 2019 | ![]() | 3,304 × 3,430 (1.35 MB) | Huntster (talk | contribs) | Full resolution, rotated from source file. |
15:55, 9 March 2013 | ![]() | 337 × 338 (25 KB) | Oaktree b (talk | contribs) | User created page with UploadWizard |
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Width | 3,430 px |
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Height | 3,310 px |
Bits per component |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 451 dpi |
Vertical resolution | 451 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS4 Windows |
File change date and time | 12:35, 2 April 2010 |
Color space | sRGB |
Image width | 3,430 px |
Image height | 3,310 px |
Unique ID of original document | uuid:29DCB1F7E041DB1180D58619B6F9D09F |
Date and time of digitizing | 14:24, 11 September 2006 |
Date metadata was last modified | 07:35, 2 April 2010 |
IIM version | 2 |