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  1. Theory 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, …

  2. Relativity | Definition, Equations, & Facts | Britannica

    Oct 24, 2025 · Relativity, wide-ranging physical theories formed by the German-born physicist Albert Einstein. Special relativity is limited to objects that are moving with respect to inertial …

  3. What Is Relativity? Einstein’s Groundbreaking Theory Explained

    May 5, 2025 · In this comprehensive exploration, we will journey through the origins, principles, implications, and experimental confirmations of relativity. Along the way, we will witness how …

  4. What is the theory of general relativity? Understanding …

    Oct 29, 2024 · 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 theory of …

  5. Science Made Simple: What Is the Theory of Relativity?

    Nov 25, 2023 · What Is the Theory of Relativity? Relativity is two related theories: special relativity, which explains the relationship between space, time, mass, and energy; and general …

  6. Relativity Explained | Time-Space Theory & Impact

    May 27, 2024 · Explore Einstein’s theory of relativity, understanding its impact on modern physics, black holes, GPS technology, and the universe’s mysteries. The theory of relativity, introduced …

  7. Special and General Relativity - Physics of the Universe

    The “ theory of relativity ” (or simply “ relativity ”) generally refers to two theories of Albert Einstein, his Special Theory of Relativity (or simply special relativity) of 1905, and his General Theory of …

  8. DOE Explains...Relativity - Department of Energy

    Relativity is two related theories: special relativity, which explains the relationship between space, time, mass, and energy; and general relativity, which describes how gravity fits into the mix.

  9. Theory of Relativity Explained: Concepts, Examples & Key Facts

    Albert Einstein developed the general theory of relativity from 1907 to 1915. The general theory of relativity is also known as the theory of gravitation. According to this theory, the gravitational …

  10. What is theory of relativity? - howengineeringworks.com

    4 days ago · The theory of relativity is a scientific theory developed by Albert Einstein that explains how space, time, energy, and motion are connected. It is divided into two parts: …