A weird stellar explosion may have caused the brightest supernova yet seen

Stellar debris from the blast collided with nearby material to outshine other supernovas

supernova illustration

A stellar explosion of record-breaking brightness in a distant galaxy may be the first known example of a rare “pulsational pair-instability” supernova (an artist's interpretation of a generic supernova, shown).

Soubrette/iStock/Getty Images Plus

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