BackSchwarschild Metric
Geometrized units are also used. But after the derivation they are modified such that M=1 - unit converter. Also, at the end of the derivation, the coordinates are setup at constant θ=2π.
Derivation of the Schwarzschild MetricInterpretation of the Schwarzschild CoordinatesGeodesicsGeodesics SimulationPerihelion ShiftGravitational Lensing