What Is the Most Important Difference Between an Active Galactic

question 18

Multiple Choice

What is the most important difference between an active galactic nucleus and a dormant black hole at the centre of a galaxy?

• A)Active galactic nuclei are only found in elliptical galaxies, but dormant black holes are found in all galaxy types.
• B)The black holes in active galactic nuclei have much larger masses than those of dormant black holes.
• C)The black holes in active galactic nuclei have much smaller masses than those of dormant black holes.
• D)The black holes in active galactic nuclei have much more matter flowing into them.