Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977qjras..18..429r&link_type=abstract
Royal Astronomical Society, Quarterly Journal, vol. 18, Dec. 1977, p. 429-442.
Astronomy and Astrophysics
Astrophysics
28
Astrophysics, Galactic Evolution, Quasars, Red Shift, Black Holes (Astronomy), Cosmology, Emission Spectra, Galactic Nuclei, Line Spectra
Scientific paper
Unsolved problems relating to quasars are discussed. While central energy source remains unknown, attention is directed to the theory that quasars are energized by massive black holes in the center of giant galaxies. Evidence is presented for and against cosmological interpretations of quasar redshifts. Since Seyfert galaxies and N-galaxies have properties intermediate to those of quasars and conventional galaxies, it is suggested that a qualitatively new physics will not be required to explain quasar characteristics. Theories on the formation of galaxies are examined, and a flow diagram is proposed to indicate the processes whereby a massive black hole could form in a galactic nucleus.
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