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May9-09, 11:23 AM
PF Gold
P: 4,087
Connection between fabric of space, max. speed (of light) and time dilation

I mean he is traveling relative to "motionless" observer (e.g. on Earth orbit).
OK, that clears it up.

Reading more threads is a good idea, so is reading some course material. I don't think anyone knows 'why' relativistic effects happen and we're a long way from a physical model similar to sound propagation. Relativity works without needing an aetherial 'medium' for light to propagate in ( or through ).