, exact phrase.
Active Galactic Nucleus - V3
... a normal star. In some galaxies, such as our own Milky Way, these black holes may
be dormant. But in active galaxies such as quasars
and Seyfert galaxies, those with unusually bright central regions, the black hole is
probably feeding off a vast accr ...
Keywords:
... jet, nucleus, outflow, particle, power, quasar,
Seyfert, solar nebula, star, sun ...