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File:SafsafOasis SAR comparison.jpg

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

Public domain This file is in the public domain because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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