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{{#invoke:Hatnote|hatnote}} In physics, spacetime is any mathematical model that combines space and time into a single interwoven continuum. The spacetime of our universe is usually interpreted from a Euclidean space perspective, which regards space as consisting of three dimensions, and time as consisting of one dimension, the "fourth dimension". By combining space and time into a single manifold called Minkowski space, physicists have significantly simplified a large number of physical theories, as well as described in a more uniform way the workings of the universe at both the supergalactic and subatomic levels.

Spacetime sections
Intro  Explanation  Spacetime in literature  Basic concepts  Mathematics of spacetimes  Spacetime in special relativity   Spacetime in general relativity   Quantized spacetime  See also  References  Further Reading  External links  

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