File:Cool lava in Africa's Great Rift Valley.jpg

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Cool lava in Africa’s Great Rift Valley
Photographer
Envisat satellite
Title
Cool lava in Africa’s Great Rift Valley
Description
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.
Depicted place Great Rift Valley
Date between 25 November 2009 and 3 February 2010
date QS:P571,+2050-00-00T00:00:00Z/7,P1319,+2009-11-25T00:00:00Z/11,P1326,+2010-02-03T00:00:00Z/11
European Space Agency
Accession number
237110
Credit line ESA
Source http://www.esa.int/spaceinimages/Images/2010/04/Cool_lava_in_Africa_s_Great_Rift_Valley

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current05:49, 27 February 2017Thumbnail for version as of 05:49, 27 February 20173,030 × 4,171 (7.48 MB)Revent (talk | contribs)=={{int:filedesc}}== {{Photograph |photographer = Envisat satellite |title = Cool lava in Africa’s Great Rift Valley |description = {{en|1=This Envisat radar image captures volcanoes dotted across the landscape in Tanzani...

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