Abstract
We already know that a black hole is created when a mass contracts to a size less than its gravitational radius (Section 2.6). Stars of sufficiently large mass must convert into black holes at the end of their evolution [Zel’dovich and Novikov (1967, 1971)]. The smaller the mass of matter, the greater the density to which it must be compressed in order to create a black hole. Powerful pressure develops at high densities, counteracting the compression. As a result, black holes of mass M ≪ M ⊙ cannot form in the contemporary Universe. However, the density of matter at the beginning of expansion in the Universe was enormously high.
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© 1989 Springer Science+Business Media Dordrecht
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Novikov, I.D., Frolov, V.P. (1989). Primordial Black Holes and the Ultimate Fate of Black and White Holes. In: Physics of Black Holes. Fundamental Theories of Physics, vol 27. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2651-1_13
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DOI: https://doi.org/10.1007/978-94-017-2651-1_13
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-8448-4
Online ISBN: 978-94-017-2651-1
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