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By P Gosselin on 12. April 2015
Share this… Facebook TwitterAlthough over the last 2 years the current solar cycle saw some activity, it recently has quieted down considerably and it continues on the path to being one of the quietest since observations began over 350 years ago. -PG =============================== The Sun In March 2015 By Frank Bosse and Fritz Vahrenholt Translated, […]