File:Teide Volcano, Canary Islands, Spain.jpg
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DescriptionTeide Volcano, Canary Islands, Spain.jpg |
English: This detailed astronaut photograph features two stratovolcanoes—Pico de Teide and Pico Viejo—located on Tenerife Island, part of the Canary Islands of Spain. Stratovolcanoes are steep-sided, typically conical volcanoes formed by interwoven layers of lava and fragmented rock material from explosive eruptions. Pico de Teide has a relatively sharp peak, whereas an explosion crater forms the summit of Pico Viejo. The two stratovolcanoes formed within an even larger volcanic structure known as the Las Cañadas caldera. A caldera is a large collapse depression usually formed when a major eruption completely empties the magma chamber underlying a volcano. The last eruption of Teide occurred in 1909. Sinuous flow levees marking individual lava flows are perhaps the most striking volcanic features visible in the image. Flow levees are formed when the outer edges of a channelized lava flow cool and harden while the still-molten interior continues to flow downhill. Numerous examples radiate outwards from the peaks of both Pico de Teide and Pico Viejo. Brown to tan overlapping lava flows and domes are visible to the east-south-east of the Teide stratovolcano. |
Date | |
Source | NASA Earth Observatory |
Author | This image was taken by the NASA Expedition 20 crew |
Camera location | 28° 30′ 00″ N, 17° 00′ 00″ W | View this and other nearby images on: OpenStreetMap | 28.500000; -17.000000 |
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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: ISS020-E-21140. 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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This image was acquired with a Nikon D3 digital camera fitted with an 800 mm lens, and is provided by the ISS Crew Earth Observations experiment and Image Science & Analysis Laboratory, Johnson Space Centre.
Licensing edit
Public domainPublic domainfalsefalse |
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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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:51, 11 December 2015 | 4,256 × 2,832 (9.73 MB) | Ras67 (talk | contribs) | Reverted to version as of 14:15, 28 August 2010 (UTC) mistake | |
14:48, 11 December 2015 | 4,256 × 2,832 (8.67 MB) | Ras67 (talk | contribs) | rotated 180 degree to make it from a hole to a mount | ||
14:15, 28 August 2010 | 4,256 × 2,832 (9.73 MB) | Originalwana (talk | contribs) | higher res | ||
09:47, 3 August 2009 | 1,000 × 709 (905 KB) | Originalwana (talk | contribs) | {{Information |Description={{en|1=This detailed astronaut photograph features two stratovolcanoes—Pico de Teide and Pico Viejo—located on Tenerife Island, part of the Canary Islands of Spain. Stratovolcanoes are steep-sided, typically conical volcanoe |
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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 D3 |
Exposure time | 1/500 sec (0.002) |
F-number | f/5.6 |
ISO speed rating | 200 |
Date and time of data generation | 17:53, 15 July 2009 |
Lens focal length | 800 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Microsoft Windows Photo Gallery 6.0.6001.18000 |
File change date and time | 15:13, 28 August 2010 |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 17:53, 15 July 2009 |
APEX shutter speed | 8.965784 |
APEX aperture | 4.970854 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 5 APEX (f/5.66) |
Metering mode | Spot |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 800 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |