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Feb 4, 2015 at 2:56 history edited stuffu CC BY-SA 3.0
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Feb 3, 2015 at 23:30 comment added user1744397 I don't disagree with this, but also don't see how it answers my question. I'm not concerned with what a faraway observer measures. I want to know how I can let all the particles of the cloud move in formation as I measure, and as the EP allows, when GR also demands that the cloud be splitting apart as I measure. Nothing is accelerating in my lab. Everything is freely falling in my lab, which is itself freely falling. So there's no decreasing or increasing Lorentz contraction.
Feb 3, 2015 at 22:28 history answered stuffu CC BY-SA 3.0