All Questions
Tagged with friedmann-equations fate-of-universe
1 question
1
vote
1
answer
325
views
Critical density of universe with intrinsic spatial curvature
$H^2 = \frac{8 \pi G}{3}\rho-\frac{kc^2}{a^2}$
Shown above is the first Friedmann equation. I understand that the curvature parameter, k, represents the spatial curvature of the universe which is ...