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27. Natural Reality / B. Modern Physics / 1. Relativity / b. General relativity

[gravity seen as curvatures of space-time]

5 ideas
General Relativity says there is no absolute force or acceleration [Einstein, by Close]
Unlike Newton, Einstein's general theory explains the perihelion of Mercury [Smart]
The general relativity equations relate curvature in space-time to density of energy-momentum [Close]
General Relativity: the density of energy and matter determines curvature and gravity [Krauss]
In the Big Band general relativity fails, because gravity is too powerful [New Sci.]