Which of the Following Phenomena Are Not Thought to Be

question 14

Multiple Choice

Which of the following phenomena are not thought to be results of collisions or other interactions between galaxies?

• A)the presence of very large,central dominant galaxies in clusters of galaxies
• B)the fact that elliptical galaxies are more common in clusters of galaxies than outside clusters
• C)starbursts
• D)the fact that spiral galaxies have both disk and halo components

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