Galactic Nuclei as Collapsed Old Quasars

@article{LyndenBell1969GalacticNA,
  title={Galactic Nuclei as Collapsed Old Quasars},
  author={Donald Lynden-Bell},
  journal={Nature},
  year={1969},
  volume={223},
  pages={690-694}
}
Powerful emissions from the centres of nearby galaxies may represent dead quasars.