Collisions between galaxies typically unfold over a period of .
A)hundreds of millions of years
B)several months
C)several days
D)thousands of years

Name: Collisions between galaxies typically unfold over a period of . A)hundreds of millions of years B)several months C)several days D)thousands of years
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Collisions between galaxies involve the gravitational interaction of huge masses over vast distances, so they typically take hundreds of millions of years to unfold.

Collisions Between Galaxies Typically Unfold Over a Period of