A dramatic surge in solar activity is underway, with a level of sunspot numbers and solar flux not seen since 2005-2006. Tuesday’s sunspot number of 100 has not been equaled or exceeded since April 6, 2006 when it was 105. On Wednesday, the solar flux was 114.1, and the last time it was that high or higher was September 15, 2005 at 119.4. The average daily sunspot numbers rose this week by more...
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