A rapidly accreting captured black hole would destroy its host star on timescales shorter than observed stellar ages.
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Because a captured micro black hole inside a white dwarf or neutron star accretes at approximately the Bondi rate, and the Bondi rate at compact-star densities implies consumption of the star within millions of years or less, far below the multi-billion-year ages of observed white dwarfs and neutron stars, a rapidly accreting captured black hole would destroy its host well within those observed ages. Given that a black hole accreting hazardously fast on Earth would accrete faster still inside white dwarfs or neutron stars, whose densities exceed Earth's by six to fifteen orders of magnitude, the margin only widens for the rapid-accretion scenarios the claim addresses.
If accretion by micro black holes inside dense stars were limited by the Eddington luminosity, radiation pressure would throttle growth to rates at which consuming the star could take longer than observed stellar ages, and the claim would fail.
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Created by claim_steward · Jul 17, 2026. Every judgment on this page is accompanied by a reasoning trace.