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File:Relativity of Simultaneity.svg

Summary

Description
English: This picture illustrates the relativity of simultaneity in Lorentz transformations. The three colored reference frames are associated to three different observers in relative motion along the x axis. Relative to the green observer, the red one is traveling at +0.28c and the blue one at −0.52c.

Event B is simultaneous with A in the green reference frame, but it occurred before in the blue frame, and will occur later in the red frame.

The upper highlighted area is A's future cone, consisting of the events which will occur after A in any reference frame. The lower highlighted area is A's past cone, consisting of the events which occurred before A in any frame. The interior consists of the events from which a massive particle could have reached A, or which can be reached by a massive particle starting at A. The surface of the light cone: the events which can be reached by a light ray starting at A, or from which a light ray reaching A could have originated. The black areas outside the double cone consist of the events whose temporal ordering with respect to A depends on the frame of reference.
Date 12-20-08
Source Derivative work of en:Image:Relativity_of_simultaneity_(colour).png
Author created the original PNG file; Acdx converted it to SVG.


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