Extreme solar storms can strike out of the blue. Are we really prepared?
In 2003, a powerful solar storm hit Earth with little warning, causing disruption to power grids, aviation and satellites. Twenty years later, we are only slightly better prepared for such incidents.
TroibNews 
In 2003, a powerful solar storm hit Earth with little warning, causing disruption to power grids, aviation and satellites. Twenty years later, we are only slightly better prepared for such incidents.
