X-Received: by 2002:a05:620a:1a04:b0:765:444f:785c with SMTP id bk4-20020a05620a1a0400b00765444f785cmr3395qkb.0.1688637491117; Thu, 06 Jul 2023 02:58:11 -0700 (PDT) X-Received: by 2002:a63:741e:0:b0:55b:22f8:30bb with SMTP id p30-20020a63741e000000b0055b22f830bbmr673550pgc.3.1688637490527; Thu, 06 Jul 2023 02:58:10 -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: Thu, 6 Jul 2023 02:58:10 -0700 (PDT) In-Reply-To: Injection-Info: google-groups.googlegroups.com; posting-host=2001:861:8bb7:5500:7cfd:1b6c:624e:824d; posting-account=PKzfqAoAAAC4-vQRW_wt6WFB3xnoeWfi NNTP-Posting-Host: 2001:861:8bb7:5500:7cfd:1b6c:624e:824d References: User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <528dad24-85b8-4b87-864c-11e62710288cn@googlegroups.com> Subject: =?UTF-8?Q?Re=3A_De_la_relativit=C3=A9_des_distances?= From: Richard Verret Injection-Date: Thu, 06 Jul 2023 09:58:11 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Bytes: 1868 Lines: 8 Ce que per=C3=A7oit un observateur est repr=C3=A9sent=C3=A9 par un espace v= isible sph=C3=A9rique S qui lui est propre. Le rayon d=E2=80=99un espace vi= sible est donc 13,8 milliards d=E2=80=99Al. C=E2=80=99est la plus grande di= stance qu=E2=80=99il peut percevoir. En effet sur la sph=C3=A8re du visible= la distance observable d est donn=C3=A9e par sin =CF=86 =3D d/R. Pour d = =3D R, sin =CF=86 =3D 1 d=E2=80=99o=C3=B9 =CF=86 =3D =CF=80/2. https://www.= semconstellation.fr/coordonnees-spheriques/ . Le point M associ=C3=A9 corre= spond =C3=A0 ce qu=E2=80=99on appelait le big-bang dans l=E2=80=99ancien pa= radigme.