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Understanding the Northern Lights
When the aurora borealis appeared in the skies of 18th-century Europe, Enlightenment scientists first turned to history to understand it. Not long after nightfall on 6 March 1716 a dazzling display of lights reilluminated the skies over most of Europe, from Scotland and Sweden to as far south as Spain, painting the heavens with streaks of crimson, purple, and green.
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