Guest post by David Archibald There were five named solar minima in the last millennium – the Oort, Wolf, Spörer, Maunder and Dalton minima. At least the last four were…
Guest post by David Archibald There were five named solar minima in the last millennium – the Oort, Wolf, Spörer, Maunder and Dalton minima. At least the last four were…
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