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Science Northern lights: Huge solar flare may trigger Saturday night show

Northern lights show this weekend? A big solar plasma wave is heading toward Earth, and may create Northern lights or aurora borealis display by Saturday night.

AP Photo/The Anchorage Daily News, Bob Hallinen, FILE)

A powerful flare erupted from the sun Thursday (Jan. 19), unleashing a plasma wave that may supercharge the northern lights for skywatchers in high latitudes this weekend.