File:SafsafOasis SAR comparison.jpg

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Summary

Description	Two images of the Safsaf Oasis in The Sahara. The top image (taken by the Landat Thematic Mapper) is the surface. The bottom (taken by the Spaceborne Imaging Radar-C/X-band Synthetic Aperture Radar (SIR-C/X-SAR) on board the Space Shuttle Endeavour on April 16, 1994) is the rock layer underneath, revealing black channels cut by the meandering of an ancient river.
Date	not specified
Source	http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=16963
Author	NASA/JPL Imaging Radar team.
Permission ( Reusing this file)	Public domain

Licensing

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File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Sahara

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