Kavir Desert Iran Satellite Image
by Science Source
Title
Kavir Desert Iran Satellite Image
Artist
Science Source
Medium
Photograph - Photograph
Description
As the International Space Station passed over the deserts of central Iran, an Expedition 38 crew member used a digital camera equipped with a 200mm lens to record this image of the Kavir Desert's sweeping curves of sand. The lack of soil and vegetation allows the geological structure of the rocks to appear quite clearly. According to geologists, the patterns result from the gentle folding of numerous, thin, light and dark layers of rock. Later erosion by wind and water cut a flat surface across the folds, not only exposing hundreds of layers but also showing the shapes of the folds. The dark water of a lake (image center) occupies a depression in a more easily eroded, S-shaped layer of rock. The irregular light-toned patch just left of the lake is a sand sheet thin enough to allow the underlying rock layers to be detected. A small river snakes across the bottom of the image. The image width represents a distance of 65 kilometers.
Uploaded
July 15th, 2014
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