{"id":2512,"date":"2026-08-15T18:29:30","date_gmt":"2026-08-15T17:29:30","guid":{"rendered":"https:\/\/www.laurensoff.com\/wordpress\/?p=2512"},"modified":"2026-08-15T18:55:12","modified_gmt":"2026-08-15T17:55:12","slug":"comment-se-fait-il-quon-ne-voit-pas-la-lune-avant-et-la-lune-apres-pendant-une-eclipse-solaire","status":"publish","type":"post","link":"https:\/\/www.laurensoff.com\/wordpress\/comment-se-fait-il-quon-ne-voit-pas-la-lune-avant-et-la-lune-apres-pendant-une-eclipse-solaire\/","title":{"rendered":"Comment se fait-il qu&rsquo;on ne voit pas la lune avant et la lune apr\u00e8s pendant une \u00e9clipse solaire ?"},"content":{"rendered":"<div class=\"user-query-container\">\n<div id=\"user-query-content-0\" class=\"query-content ng-star-inserted\" data-hveid=\"0\" data-ved=\"0CAAQ3ucQahgKEwj3g9nGk6OWAxUAAAAAHQAAAAAQhgE\">\n<div class=\"query-text gds-body-l\" dir=\"ltr\" role=\"heading\" aria-level=\"2\">\n<p class=\"query-text-line ng-star-inserted\">Comment se fait-il qu&rsquo;on ne voit pas la lune avant et la lune apr\u00e8s pendant une \u00e9clipse solaire ?<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<div class=\"response-container response-container-with-gpi ng-tns-c4189178049-14 no-background response-container-has-multiple-responses\" data-hveid=\"1\">\n<div class=\"presented-response-container ng-tns-c4189178049-14\" data-hveid=\"2\">\n<div class=\"response-container-content ng-tns-c4189178049-14\">\n<div class=\"response-content ng-tns-c4189178049-14\">\n<div class=\"container\">\n<div id=\"model-response-message-contentr_c88947c2bb78cb66\" class=\"markdown markdown-main-panel md-content enable-luminous-fast-follows enable-updated-hr-color\" dir=\"ltr\" aria-busy=\"false\" aria-live=\"polite\">\n<p data-path-to-node=\"0\">En r\u00e9alit\u00e9, <b data-path-to-node=\"0\" data-index-in-node=\"12\">on voit tr\u00e8s bien la Lune passer devant le Soleil pendant une \u00e9clipse<\/b>, mais uniquement par sa <b data-path-to-node=\"0\" data-index-in-node=\"106\">silhouette en ombre chinoise<\/b> au moment o\u00f9 elle \u00ab\u00a0mord\u00a0\u00bb sur le disque solaire.<button class=\"image-button ng-star-inserted\"><\/button><\/p>\n<h2 data-path-to-node=\"4\">1. La Lune pr\u00e9sente sa face cach\u00e9e par le Soleil (Nouvelle Lune)<\/h2>\n<p data-path-to-node=\"5\">Une \u00e9clipse solaire se produit obligatoirement lors de la phase de <b data-path-to-node=\"5\" data-index-in-node=\"67\">Nouvelle Lune<\/b>.<\/p>\n<ul data-path-to-node=\"6\">\n<li>\n<p data-path-to-node=\"6,0,0\">Le Soleil \u00e9clairant la Lune par derri\u00e8re (du point de vue de la Terre), la face lunaire tourn\u00e9e vers nous est <b data-path-to-node=\"6,0,0\" data-index-in-node=\"110\">enti\u00e8rement plong\u00e9e dans l&rsquo;ombre<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"6,1,0\">La Lune n&rsquo;\u00e9met pas de lumi\u00e8re propre ; elle ne fait que r\u00e9fl\u00e9chir celle du Soleil. Lorsqu&rsquo;elle s&rsquo;approche du Soleil dans le ciel, sa face visible ne re\u00e7oit aucun rayon lumineux direct qu&rsquo;elle pourrait renvoyer vers nos yeux.<\/p>\n<\/li>\n<\/ul>\n<h2 data-path-to-node=\"7\">2. La lumi\u00e8re du ciel masque tout le reste<\/h2>\n<p data-path-to-node=\"8\">M\u00eame si la Lune r\u00e9fl\u00e9chissait une minime quantit\u00e9 de lumi\u00e8re diffus\u00e9e par la Terre (la lumi\u00e8re cendr\u00e9e), elle est plac\u00e9e juste \u00e0 c\u00f4t\u00e9 du Soleil dans le ciel de jour.<\/p>\n<ul data-path-to-node=\"9\">\n<li>\n<p data-path-to-node=\"9,0,0\">L&rsquo;atmosph\u00e8re terrestre diffuse la lumi\u00e8re intense du Soleil, ce qui rend le ciel bleu et extr\u00eamement lumineux.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"9,1,0\">Cette luminosit\u00e9 ambiante est des milliers de fois plus forte que la faible lueur de la face sombre de la Lune. La Lune est donc litt\u00e9ralement <b data-path-to-node=\"9,1,0\" data-index-in-node=\"143\">noy\u00e9e dans l&rsquo;\u00e9blouissement du ciel diurne<\/b>.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"11\">En r\u00e9sum\u00e9<\/h3>\n<ol start=\"1\" data-path-to-node=\"12\">\n<li>\n<p data-path-to-node=\"12,0,0\"><b data-path-to-node=\"12,0,0\" data-index-in-node=\"0\">Avant l&rsquo;\u00e9clipse :<\/b> La Lune est l\u00e0, mais sa face \u00e9clair\u00e9e pointe \u00e0 l&rsquo;oppos\u00e9 de la Terre et le ciel de jour est trop lumineux pour distinguer sa silhouette sombre.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,1,0\"><b data-path-to-node=\"12,1,0\" data-index-in-node=\"0\">Pendant l&rsquo;\u00e9clipse :<\/b> Elle devient visible uniquement parce qu&rsquo;elle s&rsquo;interpose directement entre nous et le Soleil, occultant une partie de sa lumi\u00e8re brillante.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,2,0\"><b data-path-to-node=\"12,2,0\" data-index-in-node=\"0\">Apr\u00e8s l&rsquo;\u00e9clipse :<\/b> D\u00e8s qu&rsquo;elle quitte compl\u00e8tement le disque solaire, elle redevient invisible dans l&rsquo;\u00e9clat du ciel de jour.<\/p>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Comment se fait-il qu&rsquo;on ne voit pas la lune avant et la lune apr\u00e8s pendant&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2416,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1077,1161],"tags":[1162,1236],"class_list":["post-2512","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomie-agenda","category-eclipse-solaire","tag-eclipse-solaire","tag-pourquoi"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.laurensoff.com\/wordpress\/wp-content\/uploads\/2026\/08\/sky-sun-night-cosmos-telescope-space-830620-pxhere-com.jpg","_links":{"self":[{"href":"https:\/\/www.laurensoff.com\/wordpress\/wp-json\/wp\/v2\/posts\/2512","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laurensoff.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laurensoff.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laurensoff.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laurensoff.com\/wordpress\/wp-json\/wp\/v2\/comments?post=2512"}],"version-history":[{"count":2,"href":"https:\/\/www.laurensoff.com\/wordpress\/wp-json\/wp\/v2\/posts\/2512\/revisions"}],"predecessor-version":[{"id":2514,"href":"https:\/\/www.laurensoff.com\/wordpress\/wp-json\/wp\/v2\/posts\/2512\/revisions\/2514"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laurensoff.com\/wordpress\/wp-json\/wp\/v2\/media\/2416"}],"wp:attachment":[{"href":"https:\/\/www.laurensoff.com\/wordpress\/wp-json\/wp\/v2\/media?parent=2512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laurensoff.com\/wordpress\/wp-json\/wp\/v2\/categories?post=2512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laurensoff.com\/wordpress\/wp-json\/wp\/v2\/tags?post=2512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}