File:Cool lava in Africa’s Great Rift Valley ESA237110.tiff
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[edit]DescriptionCool lava in Africa’s Great Rift Valley ESA237110.tiff |
Afrikaans: Hierdie Envisat-radarbeeld toon vulkane wat oor die Tanzaniese landskap versprei is, insluitend die kenmerkende Ol Doinyo Lengai (onder links), in die Groot Skeurvallei van Oos-Afrika. Die Gelai-vulkaan (2942 m) is aan die bokant sigbaar, en die Kitumbeine-vulkaan (1770 m) is suidoos van voorgenoemde. Radarbeelde verteenwoordig oppervlak-terugverstrooiing eerder as gereflekteerde lig, sodat geen ware kleur ter sprake is nie. Hierdie beeld is geskep deur drie Envisat Advanced Synthetic Aperture Radar-verkrygings (3 Februarie 2010, 30 Desember 2009 en 25 November 2009) van dieselfde area te kombineer. Die vals kleure is deur oppervlakveranderinge tussen aftastings veroorsaak.
English: This Envisat radar image captures volcanoes dotted across the landscape in Tanzania, including the distinctive Ol Doinyo Lengai (at lower left), in the Great Rift Valley of East Africa. The Gelai Volcano (2942 m) is visible at the top, and the Kitumbeine Volcano (1770 m) is southeast of Gelai.
Radar images represent surface backscatter rather than reflected light, so there is no colour in a standard radar image. This image was created by combining three Envisat Advanced Synthetic Aperture Radar acquisitions (3 February 2010, 30 December 2009 and 25 November 2009) of the same area. The colours result from changes in the surface between acquisitions. |
Date | |
Source | http://www.esa.int/spaceinimages/Images/2010/04/Cool_lava_in_Africa_s_Great_Rift_Valley |
Author | European Space Agency |
Permission (Reusing this file) |
ESA,CC BY-SA 3.0 IGO |
Other versions |
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Title InfoField | Cool lava in Africa’s Great Rift Valley |
Keywords InfoField | Environment |
Set InfoField | Earth observation image of the week |
Mission InfoField | Envisat |
Activity InfoField | Observing the Earth |
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[edit]This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 IGO license.
Attribution: ESA
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:14, 24 May 2017 | 3,030 × 4,171 (33.98 MB) | Fæ (talk | contribs) | European Space Agency, Id 237110, http://www.esa.int/spaceinimages/Images/2010/04/Cool_lava_in_Africa_s_Great_Rift_Valley, User:Fæ/Project_list/ESA |
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width | 3,030 |
Width | 3,030 px |
Height | 4,171 px |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 28 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS4 Windows |
File change date and time | 13:46, 28 April 2010 |
Color space | Uncalibrated |
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30 April 2010
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557d28218bff85c1605f0a0096a9b0e81236b55f
35,633,784 byte
4,171 pixel
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