New data on young and old black holes and other unexpected creatures

preprint2020arXivOpen access

Abstract

A review on recent astronomical observations indicating to unexpectedly abundant population of the contemporary and z∼10 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.

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