Whether the Universe is open, closed or flat depends, on the ___________ of the Universe.

Question

Quizplus · Accepted Answer

The curvature of space in the Universe is determined by its density. If the density is greater than the critical density, then the Universe is closed and has positive curvature. If the density is less than the critical density, then the Universe is open and has negative curvature. If the density is equal to the critical density, then the Universe is flat and has zero curvature.

Whether the Universe Is Open, Closed or Flat Depends, on the ___________