A galaxy that was once a quasar is likely to
A) have burned all its fuel by now and be dark.
B) now be a dwarf irregular.
C) have a black hole at its nucleus.
D) be less than 5 billion years old.
E) still be a quasar.

Question

Quizplus · Accepted Answer

Quasars are active galactic nuclei powered by supermassive black holes. After the quasar phase, the galaxy typically still contains a supermassive black hole at its nucleus, even though it may no longer be actively accreting material at the high rates seen in quasars.

A Galaxy That Was Once a Quasar Is Likely to