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Physics, Astronomy & Cosmology / Re: Do far away galaxies appear to rotate slower than they are?
« on: 29/03/2017 23:57:12 »Yes, it's a tricky one to answer...The answer is to use the scientific method
How would you know what the velocity of the galaxy was initially if the velocity has been slowed by time dilation?The paper is worth reading by anyone who intends to offer up an alternative theory. The paper is 13 pages of observations and detailed analysis of how those observations are interpreted by the authors, and this is for a very small area of interest. You may disagree with the conclusions but for any theory to become an accepted it will require the same amount of analysis and effort on each and every aspect of the theory. I don't envy you the task, but I'm sure you will understand that you need the formal presentation of a complete theory in order for it to be accepted.
And if you cannot know the initial velocity then how can you calculate a percentage of the speed of light in order to ascertain the time dilation effect?
Therefore, how can you calculated a time dilation effect that is caused by a velocity, if the time dilation effect slows the velocity. That is a catch 22.
Apologies to the OP, don't intend to divert this thread away from the original question.