What Is the Major Observational Difference Between a Seyfert Galaxy

question 75

Multiple Choice

What is the major observational difference between a Seyfert galaxy and a normal spiral galaxy

• A)Normal spiral galaxies usually have shorter spiral arms.
• B)Normal spiral galaxies never contain a supermassive black hole at their center.
• C)The central region of a Seyfert galaxy is much brighter.
• D)Seyfert galaxies don't contain any star formation.

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