The sun in July 2017 By Frank Bosse and Fritz Vahrenholt (Translated/edited by P Gosselin) Our source of energy and life at the center of our solar system was significantly below normal with respect to activity last month. The measured sunspot number (SSN) was 18.3. That was only 36% of what is typical (51) this … Continue reading Solar Cycle Continues To Be The Weakest In 2 Centuries