If the density of matter in the universe turned out to be greater than the critical density,it would imply that the universe is:
A) closed.
B) open.
C) oscillating.
D) contracting.

Question

Quizplus · Accepted Answer

If the density of matter in the universe is greater than the critical density, it would indicate that the universe is closed, meaning that its geometry is that of a closed sphere. In a closed universe, the expansion rate is not enough to overcome the gravitational forces pulling everything together, eventually leading to a collapse.

If the Density of Matter in the Universe Turned Out