WATCH: The Solar Eruptions That Caused Today's Spectacular St. Patrick's Day Auroras

The auroral display at Donnelly Creek, Alaska, photographed at 1:30 a.m., March 17, 2015, by Sebastian Saarloos. (Source: NASA Goddard Space Flight Center) Curtains of hyper-luminous green, white, purple and red light glittered in the skies around the world today as a result of a severe geomagnetic storm caused by two massive explosions on the Sun. These St. Patrick's Day auroral displays started early on Tuesday, March 17th, and they are predicted to continue overnight.