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Tanagashi t1_ivvjn8j wrote

Ok, so it's actually cooler than the title suggests. The gravitational lensing shows the same supernova at three points of it's life days apart - simultaneously. So three images around the galaxy at the same time, with varying degrees of brightness. Distances the light travels around the galaxy must be truly vast for such delays.


shiningPate OP t1_ivz9ime wrote

Struggled with capturing the full concepts of its coolness in a post title of reasonable length