Some stars repeatedly skim past supermassive black holes, lose material and survive; scientists now think their unusually rapid spin explains why each returning flare becomes progressively dimmer

Astronomers have made fascinating observations of stars that are caught in a gravitational dance with supermassive black holes. As these stars approach, they lose material in a series of light bursts that fade over time. New research indicates that the stars’ rapid initial spin is key to this phenomenon, as it limits excessive rotation during subsequent encounters with the black holes.
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