This star cheated death, exploding again and again

The weirdest supernova ever has lasted more than three years, and may be the third outburst from the same star

illustration of a supernova

GHOST IN THE SHELL  What looked like an ordinary supernova, shown in this artist’s illustration, might be the result of a single star exploding at least three times, blowing off expanding shells of gas each time.

NASA, ESA, G. Bacon/STSci

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