Geomagnetic Storm Spurs Rare Northern Lights Event, Offering Spectacle for Millions

Northern Lights

A moderate geomagnetic storm is set to make the Northern Lights visible in a rare display across 18 U.S. states tonight. The celestial light show, or aurora borealis, is caused by solar particles colliding with Earth’s atmosphere, offering a unique opportunity for mid-latitude viewers to witness the cosmic event.