Astronomers may have found a connection between an object first observed in the late 1900s and a mysterious “guest star” that appeared in the sky over a millennium and a half ago.

New research indicates that a supernova remnant named G7.7–3.7 is likely the remains of an explosion catalogued by Chinese astronomers in AD 386, known today as SN 386.

Supernovae are the universe’s fireworks — explosive, bright, and beautiful — and if they are anywhere in our vicinity, impossible to miss.

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