nonrotating coordinate system

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Kerr metric — In general relativity, the Kerr metric (or Kerr vacuum) describes the geometry of spacetime around a rotating massive body. According to this metric, such rotating bodies should exhibit frame dragging, an unusual prediction of general relativity; … Wikipedia
Geodetic effect — This article is about precession of orbiting bodies. For observing binary stars, see de Sitter double star experiment. A representation of the geodetic effect … Wikipedia
dynamical time — specialized timescale used to describe the motion of objects in space. As a practical matter, time can be defined as that coordinate which can most simply be related to the evolution of closed systems. Proper time is the time measured … Universalium
Redshift — This article is about the astronomical phenomenon. For other uses, see Redshift (disambiguation). Physical cosmology … Wikipedia

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