A SURPRISE VISIT FROM STEVE: Comet photographers in Canada were surprised this week when the night sky filled with purple ribbons of light. It looked like auroras, but it was not. Comet NEOWISE was photobombed by STEVE, a recently discovered glow caused by hot ribbons of gas in Earth's magnetic field. Get the full story at Spaceweather.com .
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Above: STEVE, picket fence auroras, and Comet NEOWISE over western Canada on July 14, 2020. Photo credit: Harlan Thomas.
