Petroglyph may depict 1,000-year-old supernova

An astronomer believes a petroglyph in the White Tank Mountains of Arizona represents a 1,000-year-old supernova.

The supernova appeared in 1006. It was the brightest star seen by modern humans and was recorded across the world in China, Europe, Japan and Egypt.

The ancestors of today's Southwestern tribes also recorded it, John Barentine of the Apache Point Observatory said. He said the petroglyph accurately depicts the supernova and the nearby constellation of Scorpius.

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White Tanks petroglyph may mark death of star (The Arizona Republic 6/6)