# General Relativity

Canonical: https://manyspace.aporia.systems/subjects/physics/general-relativity-76
Updated: 2026-10-13

General Relativity: about 58 hours. Each topic lists what you need first and what it unlocks.

## Geometric Foundations

- [Tensor Calculus](https://manyspace.aporia.systems/topics/tensor-calculus-phy-gr-165)
- [Differential Geometry Foundations](https://manyspace.aporia.systems/topics/differential-geometry-foundations-phy-gr-166)
- [Equivalence Principle](https://manyspace.aporia.systems/topics/equivalence-principle-phy-gr-167)

## Einstein's Theory

- [Curved Spacetime](https://manyspace.aporia.systems/topics/curved-spacetime-phy-gr-168)
- [Einstein Field Equations](https://manyspace.aporia.systems/topics/einstein-field-equations-phy-gr-169)
- [Schwarzschild Solution](https://manyspace.aporia.systems/topics/schwarzschild-solution-phy-gr-170)
- [Black Holes](https://manyspace.aporia.systems/topics/black-holes-phy-gr-171)
- [Gravitational Waves](https://manyspace.aporia.systems/topics/gravitational-waves-phy-gr-172)
- [Tests of GR & Cosmology Intro](https://manyspace.aporia.systems/topics/tests-of-gr-cosmology-intro-phy-gr-173)