more from Frank Close

### Single Idea 20635

#### [catalogued under 27. Natural Reality / B. Modern Physics / 1. Relativity / b. General relativity]

Full Idea

The essence of general relativity relates 'curvature in space-time' on one side of the equation to the 'density of momentum and energy' on the other. ...In full, Einstein required ten equations of this type.

Gist of Idea

The general relativity equations relate curvature in space-time to density of energy-momentum

Source

Frank Close (Theories of Everything [2017], 5 'Gravity')

Book Reference

Close,Frank: 'Theories of Everything' [Profile Books 2017], p.96

A Reaction

Momentum involves mass, and energy is equivalent to mass (e=mc^2).