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X-Received: by 2002:a05:620a:8010:b0:76d:77d4:7a7d with SMTP id ee16-20020a05620a801000b0076d77d47a7dmr707791qkb.9.1693219613152; Mon, 28 Aug 2023 03:46:53 -0700 (PDT) X-Received: by 2002:a63:754f:0:b0:564:6e43:a00d with SMTP id f15-20020a63754f000000b005646e43a00dmr4526177pgn.3.1693219612837; Mon, 28 Aug 2023 03:46:52 -0700 (PDT) Path: ...!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: fr.sci.physique Date: Mon, 28 Aug 2023 03:46:52 -0700 (PDT) In-Reply-To: <ZSwXmcPHtylxE5McTyAl6LPhGSM@jntp> Injection-Info: google-groups.googlegroups.com; posting-host=2001:861:8bb7:5500:39f5:3ad3:e97b:751e; posting-account=PKzfqAoAAAC4-vQRW_wt6WFB3xnoeWfi NNTP-Posting-Host: 2001:861:8bb7:5500:39f5:3ad3:e97b:751e References: <8x12bqtO5oUQqcTYBlZBIOrQHqg@jntp> <ucd2ld$jtr4$5@dont-email.me> <ucerf6$b45$1@shakotay.alphanet.ch> <fsww8AQxnZECLCbyx7p2TAr3AeE@jntp> <ucfmpo$16u0p$2@dont-email.me> <3TxfYEhrQHG1rAYKPPqhx1XC8yY@jntp> <Nm_EhJNAu4CbHtI2EsEnD5B-zLI@jntp> <evvuxNNCSm-7e4CCznFSIQ111ps@jntp> <14265f27-edec-4025-b8ee-f3fde0cd1058n@googlegroups.com> <14b0a41d-05ba-48fc-9035-65eab0458280n@googlegroups.com> <ZSwXmcPHtylxE5McTyAl6LPhGSM@jntp> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <acd4ecb3-d1ca-4393-ae69-282cd6983f58n@googlegroups.com> Subject: Re: Petite question simple. From: Richard Verret <rverret97@gmail.com> Injection-Date: Mon, 28 Aug 2023 10:46:53 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Bytes: 2591 Lines: 14 M. arlandis n=E2=80=99a pas bien compris ce que j=E2=80=99ai dit. Je pr=C3= =A9cise. Le 28/08/2023 =C3=A0 11:50, Richard Verret a =C3=A9crit : > Fizeau a mis en =C3=A9vidence ce ph=C3=A9nom=C3=A8ne gr=C3=A2ce =C3=A0 un= e exp=C3=A9rience de l=E2=80=99entra=C3=AEnement de la lumi=C3=A8re par l'e= au en mouvement https://fr.m.wikipedia.org/wiki/Hippolyte_Fizeau=20 La longueur d=E2=80=99onde d=E2=80=99une onde =C3=A9lectromagn=C3=A9tique v= arie donc en fonction de la vitesse relative du corps observ=C3=A9, lorsque= la distance entre le corps observ=C3=A9 et l=E2=80=99observateur diminue = =E2=80=94il s=E2=80=99agit de l=E2=80=99effet Doppler=E2=80=94 et en foncti= on de la valeur absolue la vitesse, que certains appellent l'effet Doppler = transverse, mais que l=E2=80=99on pourrait appeler effet Fizeau. L=E2=80=99effet Doppler n=E2=80=99est pas d=C3=BB =C3=A0 une variation du t= emps, il n=E2=80=99y a aucune raison que l=E2=80=99effet Fizeau le soit.