Comment on Astronomers saw the same star explode four times in four places because of a rare cosmic phenomenon

Astronomers saw the same star explode four times in four places because of a rare cosmic phenomenon

A warp in space time gave one supernova, or exploding star, more than one chance to shine.We've written about more common-place occurrences of this phenomenon (called gravitational lensing) before. When a galaxy or cluster of galaxies is massive enough, it can bend the light that passes through it. When these objects are lined up properly with Earth, a small object can end up getting magnified by the gravitational lens sitting "in front" of it.

 

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