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Originally Posted by Karls48
If Big Bang theory is correct the only meaningful measurement of time, motion and distance is referencing it to the point in the universe where the Big Bang occurred, (and the time and space come to existence).
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Is there a known point in the universe where the Big Bang occurred?
My current understanding is that we have a viewable horizon which is fairly homogeneous in every direction such that we are close to the centre of the observable universe. However, the observable horizon from an outlying galaxy would be completely different ... and it would appear to be at the centre of its observable universe.
Can a Big Bang Origin point be deduced (eg. from the CMB dipole and the modelled inflation/expansion history of the universe), or it a meaningless concept becasue the origin has expanded and is therefore now all around us? I understand that the CMB dipole for the solar system is estimated to be 368 km/sec ... can we draw any implications from this?