Photos: Sunspots on Earth's Closest Star

Sunspot 1429 Close Up


This view of the sun taken by NASA's Solar Dynamics Observatory shows the active sunspot region 1429 as it appeared at 11:30 p.m. ET on March 5, 2012 to the spacecraft's Helioseismic and Magnetic Imager. The region unleashed a major X-class flare just one minute before this view was taken.

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