A Very Powerful Solar Storm Hit the Earth Back in 1582

“A great fire appeared in the sky to the North, and lasted three nights,” wrote a Portuguese scribe in early March, 1582. Across the globe in feudal Japan, observers in Kyoto noted the same fiery red display in their skies too. Similar accounts of strange nighttime lights were recorded in Leipzig, Germany; Yecheon, South Korea; and a dozen other cities across Europe and East Asia.

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