Photos of Last Week's Aurora Borealis

#Photography

Wed, Aug 11th, 2010 20:00 by capnasty NEWS

Last week's northern lights -- which lasted a few days -- were products of a large burst of plasma, or charged gas, from the sun known as a coronal mass ejection. A NASA orbiter called the Solar Dynamics Observatory saw last Sunday's eruption, which was aimed directly at Earth and sparked predictions of a shimmering sky show. National Geographic has put together a remarkable collection of photographs of the auroras.

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