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Monday, July 6, 2009

Sun Celebrates July 4 with Sunspot Upgrade

It wasn't quite fireworks, but the sun's activity, coming out of a long, deep lull, picked up a bit over the July 4th weekend. A group of sunspots, which mark intense magnetic activity, appeared in the past few days—a patch larger and more populous than any yet this year, according to data from the Space Weather Prediction Center.

link: Sunspot activity ramping up out of deep slumber: Scientific American Blog


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