Sunspots have been coming and going, and now this week they returned. The spots that returned didn't last long, though.
No sunspots were seen from January 31 through March 4, then from March 13-17, and again March 25-30. They returned on Sunday, March 31 but only lasted four days, through Wednesday, April 3. Sunspot numbers over that period were 14, 17, 18 and 17.
Average daily sunspot numbers de...
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No sunspots were seen from January 31 through March 4, then from March 13-17, and again March 25-30. They returned on Sunday, March 31 but only lasted four days, through Wednesday, April 3. Sunspot numbers over that period were 14, 17, 18 and 17.
Average daily sunspot numbers de...
Continue reading...