New posts in General Relativity

If the energy of the photon is conserved along a geodesic why is it redshifted

What does it mean when we say, "Gravity is a source of gravity"?

Are there black body-like thermal emissions of gravitational waves?

What is meant by coordinate time? Isn't it time measured on a clock? If not then what does it measure?

Is proper time equal to the Invariant Interval or the time elapsed in the Rest Frame?

Scalar curvature

Intrinsic Curvature of a Cylinder

What is the energy integration constant from time symmetry in general relativity?

Does local mean infinitesimally small?

How accurate are the wormhole visualizations in Interstellar?