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Titlebook: Baryonic Dark Matter; D. Lynden-Bell,G. Gilmore Book 1990 Kluwer Academic Publishers 1990 Dark matter.Gravity.Universe.black hole.black ho

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Are There Massive Black Holes in Galactic Nuclei?,nsidering the cosmic history of the quasar population. The evidence for massive black holes in the centres of some nearby galaxies is reviewed. Some interesting observational consequences (. flares from tidally disrupted stars) are proposed and discussed.
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https://doi.org/10.1007/978-94-009-0565-8Dark matter; Gravity; Universe; black hole; black holes; cosmic microwave background; galaxies; gravitation
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978-94-010-6742-3Kluwer Academic Publishers 1990
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How Many Baryons are There?,An overview of baryonic dark matter is presented from a cosmogonical perspective.
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White Dwarfs and the Local Mass Density,heoretically calculated within models of Galactic evolution. Depending on the details of these models the invisible mass fraction in the solar neighbourhood is of the order of 2 ... or 4% of the dynamical mass. A redetermination of the white dwarf birth rate yields a somewhat higher value than currently assumed.
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Index for 2.2 (System No., References),em and the evolution of planetary and satellite surfaces, is the question of how accurately to determine cometary masses. Even the intrinsic brightness distribution of comets, corrected for observational selection effects, is not generally agreed, while estimates of the masses of comets, mostly base
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Index for 2.2 (System No., References),m predict that dark matter in the form of fossil planetesimals is likely to be present in two locations: an extended spherical cloud with semi-major axes between 10. AU and 4 × 10. AU, and a flat disk in the region of the outer planets or just beyond them. The outer part of the extended cloud is pro
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