Which of the Following Is a Way That Having an Active

Multiple Choice

Which of the following is a way that having an active galactic nucleus (AGN) , with a supermassive black hole in the center, can affect the development of a galaxy?

A) it can seriously reduce the total mass of the galaxy when lots of stars fall into the black hole
B) huge energetic jets from the accretion disk can disturb and lessen star formation in the galaxy
C) it can break apart the galaxy into several smaller galaxies
D) it can cut off all electro-magnetic radiation from most of the galaxy, except for the visible light from the outermost stars
E) sorry, I don't buy it; the black hole at the center is so small, there is simply no way that astronomers can think of that it could affect the development of the whole galaxy
Section 28.3: The Distribution of Galaxies in Space