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By P Gosselin on 15. March 2017
Share this…FacebookTwitterThe Sun In February and Arctic Sea Ice Von Frank Bosse und Fritz Vahrenholt (Translated and condensed [due to time constraints] by P. Gosselin) The star at the center of our solar system was also very inactive last month. The determined sunspot number SSN of 26.1 was only 50% of what is normal. Fig. 1: […]