Which of the Following Is a Way That Having an Active

question 20

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

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Definitions:

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The practice of cutting down trees for sale as timber or pulp, often associated with the timber industry.

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