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

Question

Quizplus · Accepted Answer

Collisions between galaxies take place over long periods of time, with the interaction between them potentially lasting for hundreds of millions of years. During this time, the gravitational forces between the galaxies cause them to distort, spin, and ultimately merge into a single galaxy.

Collisions Between Galaxies Typically Unfold Over a Period of