Active galaxies are having their central engines temporarily fed by what occurrence?
A)a sudden surge in star formation in the nucleus
B)a series of supernovae all occurring in the dense nuclear bulge
C)a close interaction with a neighboring galaxy
D)attack by a swarm of globular clusters
E)the merger of a binary black hole system

Question

Quizplus · Accepted Answer

Active galaxies are often energized by interactions with neighboring galaxies, which can disturb the gas and dust, funneling it into the central regions where it feeds the supermassive black hole, leading to increased activity.

Active Galaxies Are Having Their Central Engines Temporarily Fed by What