Gμν+Λgμν=8πGc4 TμνG_{\mu\nu} + \Lambda g_{\mu\nu} = \frac{8\pi G}{c^4}\,T_{\mu\nu} Gμν+Λgμν=c48πGTμν
ds2=−(1−rsr)c2 dt2+(1−rsr)−1dr2+r2 dΩ2ds^2 = -\left(1-\frac{r_s}{r}\right)c^2\,dt^2 + \left(1-\frac{r_s}{r}\right)^{-1}dr^2 + r^2\,d\Omega^2 ds2=−(1−rrs)c2dt2+(1−rrs)−1dr2+r2dΩ2
rs=2GMc2r_s = \frac{2GM}{c^2} rs=c22GM