The unusually bright centers found in some galaxies are called .
A)halos
B)supermassive black holes
C)active galactic nuclei
D)starbursts

Question

Quizplus · Accepted Answer

The bright centers found in some galaxies are called active galactic nuclei (AGN). These are regions at the centers of galaxies where there is a supermassive black hole accreting matter and releasing huge amounts of energy in the form of radiation.

The Unusually Bright Centers Found in Some Galaxies Are Called