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ShareIn physics, spacetime is a model that combines 3-D space and 1-D time into a single construct called the space-time continuum (the 4th dimension)..
For more information about the topic Spacetime, read the full article at Wikipedia.org, or see the following related articles:
Introduction to general relativity — General relativity (GR) is the geometrical theory of gravitation published by Albert Einstein in 1916. It unifies Einstein's earlier special ... > read more
Shape of the Universe — The shape of the Universe is a subject of investigation within physical cosmology. Cosmologists and astronomers describe the geometry of the Universe ... > read more
General relativity — General relativity (GR) is the geometrical theory of gravitation published by Albert Einstein in 1915. It unifies special relativity and Sir Isaac ... > read more
Gravitation — Gravity is a force of attraction that acts between bodies that have mass. Gravity is the reason for the very existence of the earth, the sun and ... > read more
Presentism (philosophy of time) — In the philosophy of time, presentism is the belief that neither the future nor the past exists. The opposite of presentism is 'eternalism', which is ... > read more
Special relativity — Special relativity inter-relates space and time in such a way that the speed of light is constant, and the theory leads to situations where two ... > read more
Hyperbolic geometry — In mathematics, hyperbolic geometry is a non-Euclidean geometry, meaning that the parallel postulate of Euclidean geometry is rejected. The parallel ... > read more
Precession — Precession refers to a change in the direction of the axis of a rotating object. In certain contexts, "precession" may refer to the precession that ... > read more
Time — Trying to understand time has long been a prime occupation for philosophers, scientists and artists. There are widely divergent views about its ... > read more
Astrophysics — Astrophysics is the branch of astronomy that deals with the physics of the universe, including the physical properties (luminosity, density, ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Spacetime at Wikipedia.org. See the Wikipedia copyright page for more details.
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