Path: ...!news.mixmin.net!proxad.net!feeder1-2.proxad.net!usenet-fr.net!pasdenom.info!from-devjntp Message-ID: JNTP-Route: nemoweb.net JNTP-DataType: Article Subject: Re: Langevin and Doppler effects... References: Newsgroups: sci.physics.relativity JNTP-HashClient: JSpTSKKD6dceBenI_6rkeWgJ7aA JNTP-ThreadID: CYLtGqZRiaVP5Ae1IQxcz5HcvgI JNTP-ReferenceUserID: 4@nemoweb.net JNTP-Uri: https://www.nemoweb.net/?DataID=gu0Z3_D7di0Vo-i10uoPfwxxt1s@jntp User-Agent: Nemo/1.0 JNTP-OriginServer: nemoweb.net Date: Thu, 12 Sep 24 15:32:31 +0000 Organization: Nemoweb JNTP-Browser: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/115.0 Injection-Info: nemoweb.net; posting-host="4a7470778c703158af1579c130ebaf5d646d69fd"; logging-data="2024-09-12T15:32:31Z/9019754"; posting-account="190@nemoweb.net"; mail-complaints-to="julien.arlandis@gmail.com" JNTP-ProtocolVersion: 0.21.1 JNTP-Server: PhpNemoServer/0.94.5 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-JNTP-JsonNewsGateway: 0.96 From: Python Bytes: 3009 Lines: 42 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 :-)