Earth as Art: NASA releases book of stunning satellite images
Algerian Desert, Algeria
Credit: NASA
Lying amid the Great Eastern Erg, the Great Western Erg, and the Atlas Mountains in Northern Africa, the Sahara Desert in central Algeria is dotted by fragmented mountains (in brown, lower right) where barren, windswept ridges overlook arid plains. In this Landsat 5 image from 2009, a system of dry streambeds crisscrosses the rocky landscape awaiting the rare, intense rains that often cause flash floods.
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