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Old Feb 25th 2012, 03:09 PM   #1
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Join Date: Feb 2012
Location: Minnesota
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Question Question about light speed

Since photons travel so much faster than any body we measure, and photons are detected the instant one reaches a moving detector, why expect that the source speed or detector speed to have any affect at all on the measurement of C? I would assume that during the short interval that a photon is emitted, the entire universe (except for other photons) is motionless. No momentum can be passed from source to photon and the entire universe is in the same frame of reference. Hence, the constancy of C. No need to invent spacetime to explain the experiments measuring light speed. Space and time are concepts not real physical things anyway.
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