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Old 11-04-2025, 13:30   #76
Sephiroth
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Re: The speed of light, etc

Chris wrote:

Quote:
Because the galaxy’s absolute velocity is not greater than the speed of light. The distance between that galaxy and us may be increasing at greater than the speed of light because we are moving away from the galaxy at speed, just as it it’s moving away from us. But neither object is moving at greater than light-speed if observed from a fixed point.
OK - I can buy that. If we could be still while our galaxy was moving in space (not "space-time - what is that?) then the receding galaxy would not be moving away from us faster than light. That is a thought experiment because we don't know (someone might) how to become still/motionless in space.
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