X-Received: by 2002:ad4:4f06:0:b0:62d:e278:d12e with SMTP id fb6-20020ad44f06000000b0062de278d12emr73975qvb.3.1686431432527; Sat, 10 Jun 2023 14:10:32 -0700 (PDT) X-Received: by 2002:a25:2705:0:b0:bac:46d0:96ef with SMTP id n5-20020a252705000000b00bac46d096efmr1210237ybn.2.1686431432240; Sat, 10 Jun 2023 14:10:32 -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: Sat, 10 Jun 2023 14:10:31 -0700 (PDT) In-Reply-To: Injection-Info: google-groups.googlegroups.com; posting-host=2a01:e0a:1df:790:99a:bc48:6c69:9110; posting-account=w5jTyQoAAABC2srlPP05kfcSlYpQVSR8 NNTP-Posting-Host: 2a01:e0a:1df:790:99a:bc48:6c69:9110 References: <43afd50c-2e7c-49a6-ad6c-32a89420a427n@googlegroups.com> <4MD4-nymGgEV9ZqLZHV8ZpK00fo@jntp> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <32133251-bc6b-443b-bc2e-b4fbf20950a8n@googlegroups.com> Subject: =?UTF-8?Q?Re=3A_De_la_relativit=C3=A9_des_distances?= From: Quarkim Injection-Date: Sat, 10 Jun 2023 21:10:32 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Bytes: 2044 Lines: 13 Le samedi 10 juin 2023 =C3=A0 21:12:03 UTC+2, Julien Arlandis a =C3=A9crit= =C2=A0: > Je sais repr=C3=A9senter une trajectoire spatiale mais comment montrer su= r un=20 > graphe que la trajectoire spatio-temporelle d'un rayon de lumi=C3=A8re es= t=20 > nulle, il doit bien exister une repr=C3=A9sentation g=C3=A9om=C3=A9trique= mais je ne=20 > la connais pas. >=20 Sur un graphe en cercle, on peut voir que la vitesse temporelle de la lumi= =C3=A8re est nulle.