Black Holes Where You'd Least Expect Them: Solving the Mass Gap Mystery ⚡ экспресс
Original: "A new group of low-spin $$50-70M_\odot$$ Black Holes and the high pair-instability mass cutoff"
Gravitational waves revealed black holes with masses of 50–70 Suns — right in the 'empty' zone of the mass gap.
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Pair-instability supernova explosions are supposed to leave a 'gap' in black hole masses. But new gravitational wave data showed holes right in that gap—like fish in a dried-up river. This changes our understanding of the life and death of the heaviest stars.
🎯 Black holes from the forbidden zone spin 5–10 times slower than objects born in mergers. That's the clue: they emerge directly from the collapse of a star—the very one that was supposed to vanish without a trace.