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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. What is the theory of general relativity? Understanding Einstein's ...

    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...

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

    May 5, 2025 · Einstein’s theory of relativity was not just a correction to Newton—it was a revolution in thought. It showed that space and time are not rigid and eternal but fluid and …

  4. 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 …

  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. Einstein's Theory of Relativity - ThoughtCo

    May 14, 2025 · Einstein's Theory of Relativity includes both general relativity and special relativity. Special relativity shows that time and space are not absolute and depend on the observer's …

  7. Deep Dive into Einstein’s Theory of Relativity - Philosophy …

    Nov 3, 2023 · When Albert Einstein introduced his theory of relativity in the early 20th century, he didn’t just propose a new scientific theory—he fundamentally reimagined our understanding of …

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

    Einstein’s most famous equation describes the relationship between energy, mass, and the speed of light. It says energy (E) equals mass (m) times the speed of light (c) squared (2), or E=mc 2. …

  9. Professor Einstein is able to devote himself freely to his studies at the Berlin Academy, and it was here that he succeeded in completing his work on the General Theory of Relativity (1915– 17).

  10. What is Einstein's Theory of Relativity? - Universe Today

    Jan 28, 2022 · For example, Einstein's Theory of Relativity comes in two parts: the Special Theory of Relativity (SR and the General Theory of Relativity (GR). And the term "Relativity" itself...