http://arxiv.org/abs/2002.10332
A review on recent astronomical observations indicating to unexpectedly abundant population of the contemporary and $ z \sim 10 $ universe by massive black holes in all mass ranges are is presented. It is argued that these black holes are mostly primordial. The data on some other stellar-kind objects which are also may be primordial are discussed.
A. Dolgov
Tue, 25 Feb 20
52/76
Comments: 16 pages, talk presented at 8th International Conference on New Frontiers in Physics 21-30 August, 2019 Conference Center of the Orthodox Academy of Creta, Crete, Greece. arXiv admin note: substantial text overlap with arXiv:1911.02382
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