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  1. en.wikipedia.org › wiki › Theory_of_relativityTheory of relativity - Wikipedia

    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] Special relativity applies to all physical phenomena in the absence of gravity. General relativity explains the law of gravitation and its ...

  2. interestingengineering.com › science › simplifiedA simplified introduction to Einstein's theory of relativity

    Jan 26, 2017 · Also in 1905, he applied his principles of relativity to produce the famous equation e=mc2. This innocuously simple equation expresses the fundamental relationship between mass (m) and energy (e ...

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  4. www.space.com › 17661-What is the theory of general relativity? | Space

    May 14, 2023 · Additional resources. General relativity is physicist Albert Einstein's understanding of how gravity affects the fabric of space-time. The theory, which Einstein published in 1915, expanded the ...

  5. www.space.com › 36273-theory-special-relativityEinstein's Theory of Special Relativity | Space

    Feb 1, 2022 · Special relativity is an explanation of how speed affects mass, time and space. The theory includes a way for the speed of light to define the relationship between energy and matter — small ...

  6. www.universetoday.com › 45484 › einsteins-theory-ofWhat is Einstein's Theory of Relativity? - Universe Today

    Jan 28, 2022 · But the most famous and renowned is arguably Albert Einstein, Relativity, and the famous equation, E=mc2. In fact, Relativity may be the best-known scientific concept that few people truly ...

  7. www.britannica.com › science › relativityRelativity | Definition, Equations, & Facts | Britannica

    In particular, relativity provides the basis for understanding cosmic processes and the geometry of the universe itself. (Read Einstein’s 1926 Britannica essay on space-time.) Brian Greene kicking off his Daily Equation video series with Albert Einstein's famous equation E = mc2. “Special relativity” is limited to objects that are moving ...

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  9. en.wikipedia.org › wiki › General_relativityGeneral relativity - Wikipedia

    General relativity, also known as the general theory of relativity and 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 ...