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  1. General relativity - Wikipedia

    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 May 1916 and is the …

  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.

  3. General relativity | Gravitational Waves, Spacetime & Cosmology ...

    Mar 28, 2026 · General relativity is concerned with gravity, one of the fundamental forces in the universe. Gravity defines macroscopic behaviour, and so general relativity describes large-scale …

  4. What Is General Relativity? Gravity and Space-Time Explained

    Mar 10, 2026 · General relativity is Einstein’s theory that gravity isn’t a force pulling objects together, but a curving of space and time caused by mass and energy. Heavy objects like stars and …

  5. General Relativity | Physics | MIT OpenCourseWare

    8.962 is MIT’s graduate course in general relativity, which covers the basic principles of Einstein’s general theory of relativity, differential geometry, experimental tests of general relativity, black …

  6. General Relativity and the Nature of Spacetime - NASA Science

    Sep 16, 2025 · General Relativity makes specific predictions about how the light emitted from material in the inner-most regions around a black hole is distorted and gravitationally redshifted. Detailed …

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

    May 5, 2025 · General relativity extended the principle of relativity to include acceleration and redefined gravity not as a force, but as a geometric property of spacetime. Einstein’s central insight …

  8. Einstein's Theory of General Relativity - Physics Book

    Nov 27, 2022 · Einstein's Theory of General Relativity is our current best model of gravity. It expands on the ideas of special relativity in a way that accounts for an apparent paradox when trying to …

  9. General Relativity Explained | Space-time, Gravity & Cosmos

    May 28, 2024 · General Relativity is more than just a theory of gravity; it’s a fundamental framework for understanding the universe. Its implications extend from the orbit of GPS satellites to the cosmic …

  10. General Relativity – The Physics Hypertextbook

    Some of these simpler equations are appropriate to the level of this book, which means you can learn how to do some general relativity. They will be derived with minimal to no proof, however.