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Subject: Important to know Python opinion on this...
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Date: Tue, 06 Aug 24 21:50:05 +0000
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From:  Richard Hachel   <r.hachel@jesauspu.fr>
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Le 03/08/2024 à 23:40, Richard Hachel a écrit :
> Le 03/08/2024 à 22:28, "Paul.B.Andersen" a écrit :
>> Since the rocket is moving along the x-axis'
>> the angle velocity - (direction to star) = 37⁰,
>> the RA in the rocket frame will due to aberration be 12.7⁰
>> the DEC = 0.
>> Since the rocket and the Earth are colocated at the time of reception,
>> they will obviously receive the same light which was emitted from
>> the star 15000 years ago.
>> That means that the distance in the Rocket frame must be 15000 ly.
>> 
>> Simple geometry will give:
>> x' = 15000⋅cos(12.7⁰) ly = 14633 ly
>> y' = 15000⋅sin(12.7⁰) ly =  3297 ly
>> z' = 0 ly
>> t' = -15000/c year = -15000 year
>> 
>> E '= (14633 ly, 3297 ly, 0 ly, -15000 y)
> 
>  ? ? ? 
> 
>  <http://news2.nemoweb.net/jntp?n6nnyNLQR1tXDC_uShX3k3bxE5g@jntp/Data.Media:1>
> 
>  
> But what are you talking about? ? ?
> 
> You're talking nonsense!!!
> 
> Your thing IS nonsense!
> 
> How do you want the object to be at the same distance in both frames of 
> reference? ? ?
> 
> All this is sad to cry and you show EXACTLY what I have been saying for years, 
> namely that physicists do not understand anything at all about the theory of 
> relativity, and use mathematics in a completely ridiculous and anarchic way!
> 
> But this is nonsense, Paul!!!
> 
> You practice a stupid rotation, and we can clearly see all the stupidity of the 
> Minkowski space-time block, stupid and abstract.
> 
> PAUL, PAUL, PAUL, I beg you to understand something!
> 
> There is NO rotation, there is NO change in y, nor change in z.
> 
> Poincaré was right and his geometry is magnificent, and we must take up its 
> numerical applications again.
> 
> y'=y=9ly
> z'=z=0ly
> 
> This is dramatically simple.
> 
> x=12 ly
> x'=40 ly
> 
> To=15 ly
> To'=41ly
> 
> t'=t=0
> 
> There is a relativistic translation on the x-axis.
> 
> NOTHING MORE.
> 
> This produces a ROTATION OF THE AXIS OF VIEW, but NOT of the star!!!
> 
> But damn it, if you don't understand that, you who are one of the best posters 
> of relativity, we are in a terrible mess, and we will never progress.
> 
> R.H.
> 
> <http://news2.nemoweb.net/?DataID=n6nnyNLQR1tXDC_uShX3k3bxE5g@jntp>

I would like Python's opinion on this.

R.H.