... Credit Copyright: NASA , NOAA , GSFC , Suomi NPP , Earth Observatory , . ... The spectacular waves of visible light emission rolling above the Canadian provinces of Quebec and Ontario in the upper half of the frame are the Aurora Borealis or northern lights. ... The storms were triggered by a solar coronal mass ejection on October 4/5, impacting Earth's magnetosphere some three days later. ... October . ... Publications with keywords: aurora borealis . Publications with words: aurora borealis . ...