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'''General relativity (GR)''' is a [[theory]] of [[gravitation]] that was developed by [[Albert Einstein]] between 1907 and 1915. Accordin Before the advent of general relativity, [[Newton's law of universal gravitation]] had been accepted for more than two hundred years as a valid description ...

| interaction = [[Electromagnetism]], [[Gravitation]], [[Strong interaction|Strong]], [[Weak interaction|Weak]] ...eraction]]s, also known as ''fundamental forces'' ([[electromagnetism]], [[gravitation]], [[strong interaction]], and [[weak interaction]]), as well as the only k ...

...ysics]]. It unifies [[special relativity]] and [[Newton's law of universal gravitation]], and describes gravity as a geometric property of [[space]] and [[Time in ...general relativity|Golden age of general relativity|Classical theories of gravitation}} ...

[[Gravitation|Gravitational interactions]] of galaxies with each other and clusters cause ...Charles | coauthors = Thorne, Kip S. and Wheeler, John Archibald | title = Gravitation | location = San Francisco | publisher = W. H. Freeman | year = 1973 | isbn ...

|journal=[[General Relativity and Gravitation]] |title=Relativity, Gravitation and World Structure ...

...idates for the use of the polar coordinate system. These systems include [[gravitation|gravitational fields]], which obey the [[inverse-square law]], as well as s ...

...pplication of this extension to the [[sedimentation]] of particles under [[gravitation|gravity]].<ref name="tolman_1918" /> For example, the haze sometimes seen i ...ost stars are spherically symmetric, the total [[Newton's law of universal gravitation|gravitational]] [[Potential_energy#Calculation_of_gravitational_potential_e ...

...of [[Minkowski space]]. The latter serves—in the absence of significant [[gravitation]]—as a model of [[space time]] in [[special relativity]].<ref>{{harvard cit ...on | last1=Weinberg | first1=Steven | author1-link=Steven Weinberg | title=Gravitation and Cosmology | publisher=[[John Wiley & Sons]] | location=New York | year= ...

...orbit of Uranus led astronomers to deduce that its orbit was subject to [[gravitation]]al [[perturbation (astronomy)|perturbation]] by an unknown planet. Neptune ...known body was [[Perturbation (astronomy)|perturbing]] the orbit through [[gravitation]]al interaction. In 1843, [[John Couch Adams]] calculated the orbit of a hy ...

...such as a planet revolving around a sun. For two bodies interacting by [[gravitation|Newtonian gravity]], the LRL vector is a [[constant of motion]], meaning th ...

...o have begun 4.6&nbsp;[[1000000000 (number)|billion]] years ago with the [[gravitation]]al collapse of a small part of a giant [[molecular cloud]]. Most of the co ...

...lp them in understanding [[general relativity]], a geometrical theory of [[gravitation]] developed mainly by [[Albert Einstein]]. Hilbert had observed that the [[ ...