Thousands of years ago, the earth had its largest-ever solar storm, which is 10x more catastrophic than the Carrington Event, as revealed by ancient tree rings. Read more here.
Catastrophic ancient solar storm discovered in unlikely place sparks radiation warning dailystar.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailystar.co.uk Daily Mail and Mail on Sunday newspapers.