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Current Solar Activity Resembles Dalton Minimum…Weakest Month 75-100 Period Recorded!

By on 18. April 2017

The sun in March 2017 By Frank Bosse and Prof. Fritz Vahrenholt (Translated/edited by P. Gosselin) Our source of energy continued to be especially quiet last month. The mean sunspot number (SSN) was 17.7 and the sun was completely blank for 16 days. It is important to recall once again that the SSN is not […]

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