The aurora borealis put on a dazzling show in more than a dozen states Monday night, according to SpaceWeather.com.
VIDEO AT TOP
Kiesling, a videographer specializing in documenting extreme weather, tweeted during the storm that he was witnessing among the best northern lights display he's ever seen:
According to the Geophysical Institute at the University of Alaska Fairbanks, an aurora is caused by the collision of electrons from space with atoms and molecules of gases (like oxygen and nitrogen) in the Earth's atmosphere. This collision results in a transfer of energy to the oxygen's electrons, and, as a result, quick bursts of light are emitted. A great number of these collisions create the light that's visible to the naked eye.
The National Weather Service's Space Weather Prediction Center reports that a moderate geomagnetic storm occurred on Monday night. The geomagnetic storm was caused by a partial halo coronal mass ejection -- a burst of solar wind -- that occurred on April 19.
Another coronal mass ejection may pass Earth on Thursday, although the storm is predicted to be relatively minor.
For some great pictures of Monday night's aurora display over Lake Michigan, click over to Chicagoist.
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