December 2, 2014June 6, 2019 Giant Sunspot May Cause Massive Solar Storms The largest sunspot to appear on Earth’s nearest star in more than two decades is once again pointed at the planet, and it will likely […] Advertisements Amateur Radio by admin
October 29, 2014June 6, 2019 Largest Sunspot In a Quarter Century Spews Flares The largest sunspot seen in about a quarter century has produced another powerful X-class flare today, the sixth in less than a week. “This was […] Amateur Radio by admin