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  • sunspot032510

    03/26/2010 | The K7RA Solar Update

    New sunspot group 1057 appeared on March 23; by March 24, it was 38 times its original size. It covered 10 one-millionths of the solar hemisphere on Tuesday, and on Wednesday, it grew to 380 one-millionths. On Thursday, new sunspot group 1058 appeared, an
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