Outline how the constancy of the speed of light across all inertial reference frames contributes to...

Outline how the constancy of the speed of light across all inertial reference frames contributes to the stated consequence:

If a very short pulse of light originates at space-time coordinates (x1,y1,z1,t1), the future spacetime coordinates of the pulse (x2,y2,z2,t2) obey the following relationship (x2-x1)^2+(y2-y1)^2+(z2-z1)^2-c^2(t2-t1)^2=0 and the same relationship holds for the pulse of light measured in any other inertial reference frame.

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genius_generous answered 2 years ago

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