PORTLAND PRESS HERALD • May 11, 2024
An unusually strong solar storm lit up the skies Friday night into Saturday morning, creating a stunning display of color and movement that was visible across the Northern Hemisphere. The last time a geomagnetic – or solar – storm this strong was visible on Earth was in 2003, said Edward Herrick-Gleason, manager of the Southworth Planetarium at the University of Southern Maine.