The fast-growing sunspot doubled in size in 24 hours and may produce
A sunspot nearly triple the size of Earth is within
firing range of our planet, and may send out medium-class flares in the
By Elizabeth Howell
“Yesterday, sunspot AR3038 was big. Today, it’s enormous,” Tony Phillips, the
author of SpaceWeather.com (opens in new tab), wrote on Wednesday (June 22).