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Thermal Image of Earth
Photo: Thermal image of Earth
WALLPAPER
The Big Picture: A thermal image of Earth on August 4, 2003, shows the Sahara's high temperatures spreading north, engulfing Europe in a heat wave that had lethal effects. Such satellite views are among the new tools giving a clearer view of the weather ahead.
Image from Reto Stockli and David Herring, NASA GSFC

Global Warming Topics

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