The first documented aurora found in an ancient Chinese text

The first documented instance of an aurora, the fleeting but brightly colored lights that sometimes illuminate the night sky, dates to the early 10th century BCE. C., according to a new study of an ancient Chinese text.

The text describes a “five-colored light” observed in the northern part of the night sky towards the end of the reign of King Zhāo, the fourth king of the Chinese Zhou dynasty. The exact dates of Zhāo’s reign are unknown, but it is likely that this “five-colored light” event occurred in 977 BC. C. or in 957 a. C., according to the study.

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