Soleil <\/a>coupe le plan de l’\u00e9quateur terrestre dans le sens nord-sud et change d’h\u00e9misph\u00e8re c\u00e9leste. Sur Terre c’est le d\u00e9but de l’automne dans l’h\u00e9misph\u00e8re nord, du printemps dans l’h\u00e9misph\u00e8re sud.<\/p>\nPour illustrer ce “passage de ligne” j’ai choisi une image de notre \u00e9toile avec au premier plan le beffroi de Nuits-Saint-Georges en C\u00f4te-d’Or.<\/p>\n
Les beffrois ont \u00e9t\u00e9 construits au Moyen-\u00c2ge pour montrer la puissance des communes. Ils disposaient souvent d’une horloge pour marquer l’\u00e9coulement du temps, qui jusque l\u00e0 \u00e9tait rythm\u00e9 par les pri\u00e8res que sonnaient les cloches des \u00e9glises.<\/p>\n
Le beffroi de Nuits-Saint-Georges a \u00e9t\u00e9 \u00e9difi\u00e9 au d\u00e9but du 17\u00e8me si\u00e8cle.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ce matin \u00e0 2 h 29 TU a eu lieu l’\u00e9quinoxe de septembre. C’est le moment o\u00f9 le\u00a0Soleil coupe le plan de l’\u00e9quateur terrestre dans le sens nord-sud et change d’h\u00e9misph\u00e8re c\u00e9leste. Sur Terre c’est le d\u00e9but de l’automne dans l’h\u00e9misph\u00e8re nord, du printemps dans l’h\u00e9misph\u00e8re sud.<\/p>\n","protected":false},"author":8,"featured_media":880,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[86],"tags":[418,221,178,274,218,378,217,146,419,97],"class_list":["post-879","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soleil-et-planetes","tag-automne","tag-beffroi","tag-cote-dor","tag-eglise","tag-equateur","tag-equinoxe","tag-hemisphere","tag-nuits-saint-georges","tag-printemps","tag-soleil"],"yoast_head":"\n
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<\/a><\/p>\n