Weather Channel meteorologist Paul Goodloe explains Aurora Borealis, or Northern Lights in the sky

Great photos of the northern lights


Photographer: WPTV
Copyright 2011 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

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Posted: 10/25/2011

People across the country reported strange lights in the sky Monday night.

 

According to weather experts the show was caused by Aurora Borealis, or Northern Lights that, because of an odd weather phenomenon, appeared much further south than usual.

Our sun is constantly emitting a stream of charged particles in all directions called a solar wind.

When this wind hits the earth our magnetic field deflects most of it, but some does enter our atmosphere where it charges air molecules.

When those molecules return to their non-charged state, or grounded state, they release photons of light that we see as the Aurora.

The colors of the Aurora can change depending on the number of nitrogen and oxygen atoms that are charged as well as the altitude of those atoms.

Experts are predicting the recent increase in solar activity will continue, meaning more people might just catch a glimpse of the Aurora for more nights to come.

Copyright 2011 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

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