Solar Cycles

The sun as it appeared during the last solar maximum, in September 2001.

The sun as it appeared during the last solar maximum, in September 2001.

Perhaps, like me, you’ve been bumping into a spate of recent stories (ironically, such things seem to go in cycles) about an unusually quiet sun: remarkably few sunspots, no flares, virtually no discernible boisterous activity – just the usual massive output of energy and light. Here’s what NASA has to say about that: “What’s Wrong with the Sun? (Nothing).”

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