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A rare glimpse of a star before it went supernova defies expectations

The discovery hints at unusual scenarios for how stars can evolve before they explode

galaxy NGC 4666

A star that fueled a recent supernova in the nearby galaxy NGC 4666 (pictured) has astronomers scratching their heads.

J. Dietrich/ESO

By Maria Temming

- More than 2 years ago

A rare glimpse of a star before it exploded in a fiery supernova looks nothing like astronomers expected, a new study suggests.