Giant sunspot seen making third trek across surface of the sun

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Greenbelt, Md. (UPI) Feb 28, 2013

A giant sunspot – a magnetically strong and complex region on the sun’s surface – is making a third trip across the face of the sun, NASA reported Friday.
Sunspots like the one being tracked by NASA scientists are part of active regions of the sun’s surface that often produce large explosions such as solar flares and coronal mass ejections, the space agency said.
Each time an a
Published at Mon, 03 MAR 2014 12:05:47 AEST