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Introduction to General Relativity

General theory of relativity, a generalization of the special theory of relativity, is the geometric theory of gravitation. It was developed by Einstein1 in 1916 with little or no experimental motivation, and motivated by philosophical questions. He was led to state that there is no absolute accelerated frame of reference, much the same way as there is no absolute velocity frame in the special theory of relativity. All accelerated motion is relative. Gravitation is a property of space–time, and the curvature of space–time is directly related to the four-momentum of the matter and radiation that is present.

Two years after the publication of Special Theory of Relativity, Einstein published a paper trying to ...

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