What Happens to Active Galaxies When Their AGNs Run Out

question 15

Multiple Choice

What happens to active galaxies when their AGNs run out of fuel?

• A) The black holes powering them collapse even further.
• B) They simply become normal galaxies.
• C) They slowly dissipate into clouds of gas and dust.
• D) They eventually pull in material from farther out,starting the AGN process all over again.