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“Light takes eight minutes to travel from the sun to Earth, so if you look at it one way there’s a grace period between when the star stops burning and when the light runs out. But if you look at the first moment without light as the first possible information heralding the end of the star, there’s no time in between the star’s collapse and the light running out. The eight minutes carry the moment of collapse on their backs.” — Ethan Chatagnier
Light takes eight minutes to travel from the sun to Earth, so if you look at it one way there’s a grace period between when the star stops burning and when the light runs out. But if you look at the first moment without light as the first possible information heralding the end of the star, there’s no time in between the star’s collapse and the light running out. The eight minutes carry the moment of collapse on their backs.