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Originally Posted by MacM
No. Not a valid point. There have been over a hlf dozen different tests which measured the absolute motion to the CMB over more than a decade of time. The values ranged from 200+km/sec to 600km/sec. However most were in the general range of 300-360km/sec. The average is around 300 km/sec.
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Well, the good news is that, as this forum has lots of 'astronomy nuts' on it, all the observed motions wrt 'the CMB frame' are well understood, and well constrained (if you'd like a summary, just holler).
The bad news, for your 'absolute frame' idea, is that I think you'll have an immensely difficult time showing that any observations can establish any 'absolute frame' similar to that of the CMB (unless, of course, you leave the realm of 'in principle, testably different predictions'; re-writing SR/GR in a way that includes an 'absolute frame', but cannot - even in principle - yield any exerimentally/observationally based test to distinguish it from SR/GR may well be possible, but then you're no longer doing science, IMHO).
But that's a path that, now, lies clearly before us (later).
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Also there are other experiments (several) which have measured a East/West deviation in communications by wire signals which also vary in a dinural manner.
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Such as? Please provide only the ones that you feel are the strongest.
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So this is not a case of one cosmic test but is based on numerous such results.
I am open to looking at any data which can be quantified both as to repeatability and to specific orientation at the time of the test. If the tests are of sufficient sensativity then they should be useful at looking for such absolute affect.
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Let's start with the Michelson-Morley experiments, and all its later variations, independent validations, etc, shall we?
What is your claim wrt these (i.e. that this set of classes of experiments are inconsistent with an 'absolute frame' more or less the same as the CMB)?