The effect of matter on the universe is to
A) amplify the effects of dark energy.
B) "smooth out" the shape of space at all scales.
C) accelerate expansion.
D) decelerate expansion.
E) do nothing, as mass has no effect on the large-scale universe at any time.

Question

Quizplus · Accepted Answer

Matter, through its gravitational attraction, works to decelerate the expansion of the universe by pulling matter together, counteracting the effects of dark energy which accelerates expansion.

The Effect of Matter on the Universe Is to