Solar Cycle Update – spotless

So Constant And Unspotted Didst Thou Seem1 Guest essay by David Archibald The image of the Sun today is spotless. This is the first spotless day of the 24-25 solar minimum. Not a great deal can be read from that. According to Wilson, for cycles 9-14, sunspot minimum followed the first spotless day by about 72 months,…

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