HUFFINGTON POST
03/28/2008 02:44 am ET Updated May 25, 2011

NASA Launches Five Satellites To Probe Mystery Of The Northern Lights

"The findings from the mission may help protect commercial satellites and humans in space from the adverse effects of particle radiation."

Once deployed, the satellites will align below North America every four days to observe the formation of the aurora borealis, a bright play of lights in the night sky above the polar area, commonly known as the Northern Lights.

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