What is a central dominant galaxy?
A) a giant spiral galaxy that exerts large tidal forces on other nearby galaxies
B) a spiral galaxy from which many smaller galaxies form when it is stripped apart by tidal forces
C) a hypothesized galaxy type that no longer exists but once dominated the structure of the universe
D) a giant elliptical galaxy at the center of a dense cluster
E) a galaxy around which many other smaller galaxies orbit
Correct Answer:
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A)supermassive
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