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Le 12/09/2024 à 16:41, Richard Hachel  a écrit :
> Le 12/09/2024 à 16:00, "Paul.B.Andersen" a écrit :
>> 
>> This is the statement I responded to.
>> 
>> It was YOU who introduced Stella's view ("for Stella").
>> You even called it "the key to the paradox" and "the brilliant explanation".
>> If Stella shall return to Terrence, she _must_ accelerate during
>> her journey, so Stella's frame is always an accelerated frame of 
>> reference (in flat spacetime).
>> 
>> But it isn't beautiful, even if it true.
>> 
>> Stella's view is rather pointless.
>> 
>> As I said:
>> Nothing happens to Terrence clock, it runs normally.
>> It is _only_ Stella's idea of what is simultaneous that
>> make it appear that Terrence clock run fast.
>> 
>> If you change Stella's path in Terrence frame a little,
>> Stella's view of Terrence may change it a lot, because
>> Stella's idea of what is simultaneous changes.
>> (You can change the path without changing Stella's and Terrence's proper 
>> times.)
>> 
>> If we describes the "twin paradox" in Terrence's inertial frame,
>> Stella's view adds nothing of interest.
>> 
>> So we can do without Stella's view of Terrence.
>> It is certainly not "the key to the paradox".
>> 
>> 

t'es vraiment con comme un balai : tu as foutu toute ta "réponse" en ... 
signature.

you are stupid as stone: you put your entire "answer" in ... your 
signature.

Trump is inspiring you, I'd say :-)