Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aipc..686..141c&link_type=abstract
THE ASTROPHYSICS OF GRAVITATIONAL WAVE SOURCES. AIP Conference Proceedings, Volume 686, pp. 141-150 (2003).
Astronomy and Astrophysics
Astrophysics
Black Holes, Infall, Accretion, And Accretion Disks, Quasars, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages
Scientific paper
I review current difficulties in understanding the origin of the supermassive black holes we now think reside in almost all normal to large galaxies. For example, it is not obvious how so much matter can be rapidly packed into such a small volume so as to produce the accreting supermassive black holes observed out to redshifts z > 6, when the Universe less than a tenth of its current age. I then discuss possible solutions to some of these difficulties. Of interest to this conference, I will try to shed some light (not very successfully) on whether these black holes reach their current masses mainly by the accretion of gas or by the merger and coalescence of smaller black holes.
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