File:Upsala Glacier, Argentina.jpg
Original file (4,288 × 2,848 pixels, file size: 4.91 MB, MIME type: image/jpeg)
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Summary
[edit]DescriptionUpsala Glacier, Argentina.jpg |
English: The Southern Patagonian Icefield of Argentina and Chile is the southern remnant of the Patagonia Ice Sheet that covered the southern Andes Mountains during the last ice age. This detailed astronaut photograph illustrates the terminus of one of the ice-field’s many spectacular glaciers—Upsala Glacier, located on the eastern side of the ice-field.
This image was taken during spring in the Southern Hemisphere, and icebergs were calving from the glacier terminus into the waters of Lago Argentino (Lake Argentina, image right). Two icebergs are especially interesting because they retain fragments of the moraine (rock debris) that forms a dark line along the upper surface of the glacier. The inclusion of the moraine illustrates how land-based rocks and sediment may wind up in ocean sediments far from shore. Moraines are formed from rock and soil debris that accumulate along the front and sides of a flowing glacier. The glacier is like a bulldozer that pushes soil and rock in front of it, leaving debris on either side. When two glaciers merge (image centre), moraines along their edges can join to form a medial moraine that is drawn out along the upper surface of the new glacier. |
Date | Taken on 25 October 2009 |
Source | NASA Earth Observatory |
Author |
This image was taken by the NASA Expedition 21 crew
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Camera location | 49° 54′ 00″ S, 73° 18′ 00″ W | View this and other nearby images on: OpenStreetMap | -49.900000; -73.300000 |
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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: ISS021-E-15243. 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
[edit]Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was created by the Image Science & Analysis Laboratory, of the NASA Johnson Space Center. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA media use guidelines or Conditions of Use of Astronaut Photographs).
Photo source: ISS021-E-15243.
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Annotations InfoField | This image is annotated: View the annotations at Commons |
Moraine fragment
Moraine fragment
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:13, 3 February 2017 | 4,288 × 2,848 (4.91 MB) | Ras67 (talk | contribs) | new rendered in high quality from NASA's raw image data (with 5500 K) | |
09:32, 9 June 2010 | 3,072 × 2,032 (5.45 MB) | Originalwana (talk | contribs) | higher res | ||
11:01, 17 November 2009 | 1,440 × 960 (942 KB) | Originalwana (talk | contribs) | {{Information |Description={{en|1=The Southern Patagonian Icefield of Argentina and Chile is the southern remnant of the Patagonia Ice Sheet that covered the southern Andes Mountains during the last ice age. This detailed |
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File usage on Commons
The following 18 pages use this file:
- Featured Photographs in the Public Domain
- Ice fields
- Los Glaciares National Park
- Moraines
- User:4ing/Antarctica/2017-02
- User:Meiræ/18
- User talk:Ras67/Archive 5
- Commons:Featured picture candidates/File:Upsala Glacier, Argentina.jpg
- Commons:Featured picture candidates/Log/February 2017
- Commons:Featured pictures/Places/Satellite images
- Commons:Featured pictures/chronological/2017-A
- Commons:Picture of the Year/2017/Candidates
- Commons:Picture of the Year/2017/R1/Gallery/2017-A
- Commons:Picture of the Year/2017/R1/Gallery/ALL
- Commons:Picture of the Year/2017/R1/Gallery/Astronomy
- Commons:Picture of the Year/2017/R1/Gallery/M02
- Commons:Picture of the Year/2017/R1/v/Upsala Glacier, Argentina.jpg
- Commons:WikiProject Aviation/recent uploads/2017 February 3/Overflow 1
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Metadata
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.
Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D2Xs |
Exposure time | 1/2,000 sec (0.0005) |
F-number | f/5 |
ISO speed rating | 200 |
Date and time of data generation | 20:50, 25 October 2009 |
Lens focal length | 400 mm |
Orientation | Normal |
Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop |
File change date and time | 23:49, 2 February 2017 |
Exposure Program | Aperture priority |
APEX shutter speed | 10.965784 |
APEX aperture | 4.643856 |
APEX exposure bias | −0.33 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Flash | Flash did not fire |
Color space | sRGB |
Focal length in 35 mm film | 600 mm |