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climate change Physics Science worldview

AI used to predict the next sunspot cycles: low solar activity until 2050

Four years ago I did an analysis based on the work of other as well as my own fit to sunspot counts over the past four hundred years. That resulted in an estimate of an extremely cold period for the earth by the year 2030 resulting from the development of a Grand Solar Minimum in […]

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astronomy climate change Physics

Solar sunspot cycle 24 just ended

The 11-year sunspot cycle number 24 has just ended. We are entering sunspot cycle 25. The number of sunspots has been decreasing over the past 3 cycles which has been about 4 decades. See plot below. Note cycles 20 to 22, with an increase in peak sunspot number, is the same period that global warming […]

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