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What is the theory of relativity?
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You can learn more about two very important aspects of the theory of relativity on this page about the speed of light and time dilation. Special Relativity There are two main ideas that make up Einstein's theory of special relativity. 1. The principle of relativity: The laws of physics are the same for any inertial reference frame. 2.
The theory of general relativity predicts that light rays are bent near a massive body. If world lines must follow warps in space, beams of light passing near the Sun should be deflected slightly. This prediction of a stellar shift was verified by observations of solar eclipses in 1919 and 1922.
- Development and Acceptance
- Special Relativity
- General Relativity
- Experimental Evidence
- Modern Applications
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Albert Einstein published the theory of special relativity in 1905, building on many theoretical results and empirical findings obtained by Albert A. Michelson, Hendrik Lorentz, Henri Poincaré and others. Max Planck, Hermann Minkowskiand others did subsequent work. Einstein developed general relativitybetween 1907 and 1915, with contributions by ma...
Special relativity is a theory of the structure of spacetime. It was introduced in Einstein's 1905 paper "On the Electrodynamics of Moving Bodies" (for the contributions of many other physicists and mathematicians, see History of special relativity). Special relativity is based on two postulates which are contradictory in classical mechanics: 1. Th...
General relativity is a theory of gravitation developed by Einstein in the years 1907–1915. The development of general relativity began with the equivalence principle, under which the states of accelerated motion and being at rest in a gravitational field (for example, when standing on the surface of the Earth) are physically identical. The upshot ...
Einstein stated that the theory of relativity belongs to a class of "principle-theories". As such, it employs an analytic method, which means that the elements of this theory are not based on hypothesis but on empirical discovery. By observing natural processes, we understand their general characteristics, devise mathematical models to describe wha...
Far from being simply of theoretical interest, relativistic effects are important practical engineering concerns. Satellite-based measurement needs to take into account relativistic effects, as each satellite is in motion relative to an Earth-bound user, and is thus in a different frame of reference under the theory of relativity. Global positionin...
In Spanish: Teoría de la relatividad para niños 1. Doubly special relativity 2. Galilean invariance 3. General relativity references 4. Special relativity references
Sep 19, 2023 · Albert Einstein’s theory of relativity is a concept that explains how space and time are intertwined and how gravity affects these two fundamental aspects of our universe. In simpler terms, it tells us that time and space are not fixed but are relative to the observer.
