Multiple Choice
Astronomers believe that a spiral galaxy may form
A) from a collision between a small and a large galaxy.
B) from the collision of two giant elliptical galaxies.
C) due to a quasar shutting down.
D) from the sudden contraction of an elliptical galaxy.
E) from the explosion of a dwarf irregular galaxy.
Correct Answer:

Verified
Correct Answer:
Verified
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