Difference between revisions of "Spacetime"
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The flat '''curvature of spacetime''' does not reqire all of [[curvatures of spacetime]] to disappear since they, being non zero, may combine together in flat [[spacetime]] as it may happen in stationary universe where [[curvatures of space]] together with other [[curvatures of spacetime]] may produce a flat [[spacetime]]. | The flat '''curvature of spacetime''' does not reqire all of [[curvatures of spacetime]] to disappear since they, being non zero, may combine together in flat [[spacetime]] as it may happen in stationary universe where [[curvatures of space]] together with other [[curvatures of spacetime]] may produce a flat [[spacetime]]. | ||
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Revision as of 16:34, August 16, 2011
Curvature of spacetime of stationay universe is none since spacetime has to be flat on the Noether theorem that requires flat (or Minkowski, which means the same thing) spacetime for the conservation of energy to hold.
The flat curvature of spacetime does not reqire all of curvatures of spacetime to disappear since they, being non zero, may combine together in flat spacetime as it may happen in stationary universe where curvatures of space together with other curvatures of spacetime may produce a flat spacetime.