View from Garvin Heights. Over the Huff Street causeway through Lake Winona. The night was clear. Stars shined bright if you gazed upward Image: Shawn Beier.
Quivering plasma bends sun rays
WINONA, Minn. – Aurora borealis, usually called Northern Lights are typically visible only close to the Arctic Circle. But they ventured south Thursday with their dynamic patterns of brilliant lights appearing as curtains, rays, spirals and flickers. Auroras are created by solar disturbances tat send sun rays into quivering plasma in Earth’s magnetosphere.