Smithsonian Magazine reports that by the time the leaves change color and snow starts falling across the northern U.S., the sun`s magnetic field will have done an about-face and emerge 180 degrees in ... more 
Smithsonian Magazine reports that by the time the leaves change color and snow starts falling across the northern U.S., the sun`s magnetic field will have done an about-face and emerge 180 degrees in the opposite direction. less 
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WGN - Chicago
Fri, Dec 6, 2013 7:08 AM EST