
Theory of relativity - Wikipedia
The theory of relativity comprises two physics theories by Albert Einstein: special relativity and general relativity, proposed and published in 1905 and 1915, respectively. [1] Special relativity …
Relativity | Definition, Equations, & Facts | Britannica
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 frames of …
What Is Relativity? Einstein’s Groundbreaking Theory Explained
May 5, 2025 · In 1905, he published the Special Theory of Relativity, followed in 1915 by the General Theory of Relativity. These theories didn’t just alter physics—they changed our very …
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 …
Einstein's Theories of Relativity - Encyclopedia.com
In formulating his special theory of relativity, Einstein assumed that the laws of physics are the same in all inertial (moving) reference frames and that the speed of light was constant …
The main ideas involved in the most important of Einstein’s theories date back to this period. Amongst these may be mentioned: The Special Theory of Relativity, Inertia of Energy, Theory …
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 1916 and is the …
Special relativity explained: Einstein's mind-bending theory of …
May 12, 2025 · Albert Einstein 's 1905 theory of special relativity revolutionized modern physics. This groundbreaking theory explains how speed affects mass, time, and space, and …
How Einstein Changed the Universe: The Theory of Relativity …
May 23, 2025 · After a decade of intense work, in 1915 Einstein unveiled the General Theory of Relativity. In it, he proposed that massive objects like stars and planets don’t pull on other …
Science Made Simple: What Is the Theory of Relativity?
Nov 25, 2023 · Relativity, comprising Albert Einstein’s theories of special and general relativity, revolutionized our understanding of space, time, mass, energy, and gravity.