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Subject: =?UTF-8?Q?Re=3A_De_la_relativit=C3=A9_des_distances?=
From: Quarkim <chakim555@gmail.com>
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Le samedi 10 juin 2023 =C3=A0 23:22:12 UTC+2, Python a =C3=A9crit=C2=A0:
> Le 10/06/2023 =C3=A0 23:10, Quarkim a =C3=A9crit :=20
> > Le samedi 10 juin 2023 =C3=A0 21:12:03 UTC+2, Julien Arlandis a =C3=A9c=
rit :=20
> >> Je sais repr=C3=A9senter une trajectoire spatiale mais comment montrer=
 sur un=20
> >> graphe que la trajectoire spatio-temporelle d'un rayon de lumi=C3=A8re=
 est=20
> >> nulle, il doit bien exister une repr=C3=A9sentation g=C3=A9om=C3=A9tri=
que mais je ne=20
> >> la connais pas.=20
> >>=20
> >=20
> > Sur un graphe en cercle, on peut voir que la vitesse temporelle de la l=
umi=C3=A8re est nulle.=20
> >
> ???

Devant mon ordi o=C3=B9 je lis beaucoup de conneries, ma vitesse spatiale
est nulle alors que ma vitesse temporelle est =C3=A9gale =C3=A0 c.
Vice versa pour la lumi=C3=A8re qui provient de l'=C3=A9cran.