Have burnt-out galaxies and galaxy clusters been detected?

Details Have burnt-out galaxies and galaxy clusters been detected? Have burnt-out galaxies and galaxy clusters been detected?

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986natur.324..231s&link_type=abstract

Nature (ISSN 0028-0836), vol. 324, Nov. 20, 1986, p. 231-233. NASA-NSF-supported research.

Astronomy and Astrophysics

Astronomy

3

Galactic Evolution, Gravitational Lenses, Quasars, Red Shift, Black Holes (Astronomy), Dark Matter, Galactic Structure, Star Formation

Scientific paper

It is shown here that an elevated rate of star formation may be responsible for burning out protogalaxies in the densest galaxy clusters, leading to the formation of candidate gravitational lenses and to an enhanced probability of close association of quasars in regions of apparently low galaxy density. Extreme tidal interactions occurring during the initial collapse of such clusters would stimulate the star formation and also could drive molecular clouds and stars onto radial orbits, fuelling massive black holes and leading to an enhanced frequency of occurrence of quasar pairs. It is argued that a fundamental bias exists against detecting luminous matter in the great galactic clusters.

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