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Results tagged with general-relativity
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user 210620
A theory that describes how matter interacts dynamically with the geometry of space and time. It was first published by Einstein in 1915 and is currently used to study the structure and evolution of the universe, as well as having practical applications like GPS.
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Are longer days attributable to refraction or spacetime curvature?
If the sun were a point and there were no atmospheric refraction, the length of the day would be 12 hours as seen from the equator. (This is true for everyday of the year, not just at the equinox.) An …
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