General relativity, also known as the general theory of relativity, and as Einstein's theory of gravity, is the geometric theory of gravitation published...

The theory of relativity usually encompasses two interrelated physics theories by Albert Einstein: special relativity and general relativity, proposed and...

Tests of general relativity serve to establish observational evidence for the theory of general relativity. The first three tests, proposed by Albert...

General relativity is a theory of gravitation developed by Albert Einstein between 1907 and 1915. The theory of general relativity says that the observed...

When studying and formulating Albert Einstein's theory of general relativity, various mathematical structures and techniques are utilized. The main tools...

General relativity is a theory of gravitation that was developed by Albert Einstein between 1907 and 1915, with contributions by many others after 1915...

explicitly (as in Albert Einstein's special relativity and general relativity). Certain principles of relativity have been widely assumed in most scientific...

to general relativity are physical theories that attempt to describe the phenomenon of gravitation in competition with Einstein's theory of general relativity...

In general relativity, a geodesic generalizes the notion of a "straight line" to curved spacetime. Importantly, the world line of a particle free from...

In general relativity, the metric tensor (in this context often abbreviated to simply the metric) is the fundamental object of study. The metric captures...