I am highly educated and I've spent my entire life in STEM. I do value my privacy, however. I will reveal more at some point.
Red Shift and Blue Shift in Astronomy is questionable because we are assuming that an observed star can't be red for another reason. There are no controlled experiments with the stars on that concept. When I apply some slight scrutiny to the subject and ask for some studies on the decisiveness of that because I could not find any, it is complained that I am "demanding excessive evidence."
All you've really done is there is repeat that you don't really understand what spectroscopy is and why its results can be trusted.
The headline is that the signature of certain elements is known, that can be verified experimentally. Doppler shift can be verified experimentally.
So when those element signatures are shown to be shifted you can infer movement and the speed of it.
Your argument was "but you don't know the colour of the star at rest", but you do know the element signature at rest and that is what is being detected.
If you're expecting controlled experiments on an actual star in a laboratory then that is clearly a ridiculous request, and that is where you get into "demanding excessive evidence".
And it's telling you only do this with ideas or experiments which contradict your FE model, such as it is.
Anything which confirms it is accepted unquestioningly.
Per the boat thing, I had no idea what specific argument you trying to make.
You were the one making the argument, claiming that the results of the experiment didn't take into account the viewer height.
I was the one trying to explain why that didn't matter as the difference was the same and the viewer height cancelled out. I drew you a diagram to explain it and everything while you spent ages claiming it was me who didn't understand the experiment.
Maybe I'm not very good at explaining things and gary's diagram was admittedly much better than mine (it was pretty much the same, but drawn much better).
Still not quite sure why that helped the penny drop but the general point is it took you a long time to understand what was a pretty simple experiment.
And it was a bit worrying that you posted a video from...Jerad, was it? A video which started by claiming that Stephen Hawking had been dead for years and then made a load of utterly spurious objections to that experiment which you initially stood behind. It doesn't demonstrate a great deal of understanding or critical thinking.
If you are not interested in learning about the world or debating your side and showing how we know certain things, then what are you doing here?
I am interested in that, but you don't learn about the world by reading a book written by some Victorian dude, accepting it as true for reasons I've yet to understand (given that the dude is largely forgotten by history and his ideas have not been accepted by any serious scientist) and then unquestioningly accepting anything which agrees with that book and wilfully misunderstanding or calling fake or applying ridiculous levels of scrutiny to anything which shows the book to be wrong.
If you're serious about learning about the world then critical thinking is a good thing but you need to do it consistently, not just accept things without question if they reinforce your world view and reject things spuriously which do not.