The Theory of Relativity is a scientific theory developed by Albert Einstein in the early 20th century. It explains the relationship between space and time, and how objects in motion interact with each other. The Theory of Relativity has been used to explain many phenomena in the universe, such as the
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The theory of relativity comprises two physics theories by Albert Einstein: special relativity and general relativity, proposed and published in 1905 and 1915, respectively. Special relativity applies to all physical phenomena in the absence of gravity. General relativity explains the law of gravitation and its relation to the forces of nature. It applies to the cosmological and astrophysical realm, including astronomy.