One of the largest magnetic storms in history quantified: Aurorae from the tropics to the polar regions phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
A sunspot has put on a stunning display of radio waves lasting for over a week that resembles the northern and southern lights — auroral displays that occur over Earth.