About the geodesics in general relativity
35883
Why do objects follow geodesics in spacetime?
130166
Equivalece of the geodesic equation and the continuity equation for the energy-momentum tensor
70257
Inverse metric in linearised gravity
38673
General relativity: For massless particles, is the momentum and velocity 4-vectors equal?
77157
In GR, why should the spacetime manifold be differentiable?
54537
Special Relativity - Reference Frames $S$ and $S'$
52316
Geodesics and Curves on a Plane
114454
Acceleration in special relativity
137796
Local translations in curved spacetime
137569
Generalising a Dirac Delta function formula in General Relativity
138834
A question about special relativity theory
132911
Determining if there can be smooth closed geodesic given its curvature
42584
Curved space-time VS change of coordinates in Minkowski space
96456
General Relativity Equivalence
53170
Energy conservation in General Relativity
57773
About the speed of light and gravity
17218
Open problems in General Relativity