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by Holly Zell for Goddard Space Flight Center
Greenbelt MD (SPX) Nov 22, 2013
Two large, complex sunspots are moving across the face of the sun. One, which produced considerable solar activity in the past weeks, has almost rotated off completely. A new sunspot rounded into view on Nov. 11, 2013 and is now making its way across the Earth-side of the sun. An active region can contain one or more sunspots. The National Oceanic and Atmospheric Administration numbers active regions consecutively as they are observed on the sun.
Active region 1897 rounded the sun's southeastern limb on Nov. 11, 2013, and like AR1890, is approximately the size of Jupiter.
What is a Solar Flare?
Why This Uptick in Flares Now?
Sun-Earth at NASA
Solar Science News at SpaceDaily
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