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Wednesday, November 11, 2009 |
Wednesday, November 11, 2009 |
Photo: Earth Atmosphere "Breathes," Thanks to Solar WindsA study presented in December 2008 says such holes help send high-pressure solar winds toward Earth, where they may cause a newly observed "breathing" effect in our upper atmosphere. Image courtesy NASA
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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