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You are browsing the archive for 2011 May 17.

17 May 2011

New NASA Image Shows Tuscaloosa Tornado Path

NASA’s Terra satellite has an instrument called ASTER, which stands for Advanced  Space-borne Thermal Emission and Reflection Radiometer. In non-geek that means it can sense infrared and visible light (this allows areas of vegetation to  show up very well). Using multiple wavelengths, and even adding and subtracting one from another has allowed some incredible remote sensing images. The shot below has to be the top of the heap up to …

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