1 in 8 chance of solar 'megastorm' 2014 could make Cities black out for up to a year.

There is a one in eight chance of a solar 'megastorm' before 2014, according to a Californian scientist - and other space weather experts agree that Earth is facing a burst of violent activity that will peak within two years. It's unknown what effects this could have on our planet - but scientists have analysed the worst recorded solar event in history, 1859's Carrington Event, and worked out