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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. 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 …

  6. 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 …

  7. 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 …

  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. General Relativity For Dummies: An Intuitive Introduction

    As a brief introduction, general relativity is the most accurate theory of gravity so far, introduced by Albert Einstein in the early 1900s. General relativity explains gravity as a property of …

  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: …