Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989natur.340..687h&link_type=abstract
Nature (ISSN 0028-0836), vol. 340, Aug. 31, 1989, p. 687-691.
Astronomy and Astrophysics
Astronomy
307
Active Galactic Nuclei, Black Holes (Astronomy), Star Formation, Starburst Galaxies, Tides, Angular Momentum, Interstellar Gas, Quasars, Star Distribution
Scientific paper
Gas distributed throughout a galaxy responds strongly to the tidal field of a companion during a merger. In some cases dynamical instability will drive a large fraction of the gas into the inner regions of the galaxy. A strong burst of star formation will follow and subsequent evolution may lead to the formation of a black hole. Continued accretion of gas by the black hole may provide sufficient power to explain quasars and nuclear activity in otherwise normal galaxies.
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