- #1
TrickyDicky
- 3,507
- 27
I understand that accordingt to GR mass curves the spacetime (I'm not referring to spatial curvature k), so that the universe globally considered is a manifold with constant curvature, is this right?
If so, is this curvature positive or negative in the current cosmological model?
If so, is this curvature positive or negative in the current cosmological model?