18 states could see aurora borealis Fri.
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A powerful surge of solar energy is heading toward Earth, and up to 20 U.S. states could catch a glimpse just in time for the spring equinox
The northern lights, or aurora borealis, could not only be viewable in 19 U.S. states this week, but also have the potential to be extra bright.
BBC Weather Watchers have been capturing the lights across Norfolk and its coastline.