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  2. Theory of relativity - Wikipedia

    en.wikipedia.org/wiki/Theory_of_relativity

    Video simulation of the merger GW150914, showing spacetime distortion from gravity as the black holes orbit and merge. The theory of relativity usually encompasses two interrelated physics theories by Albert Einstein: special relativity and general relativity, proposed and published in 1905 and 1915, respectively. [1]

  3. List of relativistic equations - Wikipedia

    en.wikipedia.org/wiki/List_of_relativistic_equations

    To derive the equations of special relativity, one must start with two other The laws of physics are invariant under transformations between inertial frames. In other words, the laws of physics will be the same whether you are testing them in a frame 'at rest', or a frame moving with a constant velocity relative to the 'rest' frame.

  4. Relativity - Wikipedia

    en.wikipedia.org/wiki/Relativity

    Numerical relativity, a subfield of computational physics that aims to establish numerical solutions to Einstein's field equations in general relativity; Principle of relativity, used in Einstein's theories and derived from Galileo's principle; Theory of relativity, a general treatment that refers to both special relativity and general relativity

  5. Special relativity - Wikipedia

    en.wikipedia.org/wiki/Special_relativity

    In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time.In Albert Einstein's 1905 paper, On the Electrodynamics of Moving Bodies, the theory is presented as being based on just two postulates: [p 1] [1] [2]

  6. Alternatives to general relativity - Wikipedia

    en.wikipedia.org/wiki/Alternatives_to_general...

    Alternatives to general relativity are physical theories that attempt to describe the phenomenon of gravitation in competition with Einstein's theory of general relativity. There have been many different attempts at constructing an ideal theory of gravity. [1] These attempts can be split into four broad categories based on their scope.

  7. Principle of relativity - Wikipedia

    en.wikipedia.org/wiki/Principle_of_relativity

    In physics, the principle of relativity is the requirement that the equations describing the laws of physics have the same form in all admissible frames of reference. For example, in the framework of special relativity , the Maxwell equations have the same form in all inertial frames of reference .

  8. General relativity - Wikipedia

    en.wikipedia.org/wiki/General_relativity

    General relativity, also known as the general theory of relativity, and as Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics. General relativity generalizes special relativity and refines Newton's law of universal gravitation ...

  9. Relativistic mechanics - Wikipedia

    en.wikipedia.org/wiki/Relativistic_mechanics

    In physics, relativistic mechanics refers to mechanics compatible with special relativity (SR) and general relativity (GR). It provides a non-quantum mechanical description of a system of particles, or of a fluid, in cases where the velocities of moving objects are comparable to the speed of light c.