If the density of the universe is at the critical density,then the geometry of the universe would follow ordinary Euclidean geometry.

Question

Quizplus · Accepted Answer

At the critical density, the geometry of the universe is flat (like Euclidean geometry), known as the "flatness problem." This is because the curvature of spacetime exactly balances the gravitational field of the matter and energy within it.

If the Density of the Universe Is at the Critical