{"id":22004,"date":"2025-11-18T16:39:53","date_gmt":"2025-11-18T16:39:53","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=22004"},"modified":"2025-11-22T09:32:43","modified_gmt":"2025-11-22T09:32:43","slug":"croissant-de-lune-et-lumiere-cendree-a-laube","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/11\/18\/croissant-de-lune-et-lumiere-cendree-a-laube\/","title":{"rendered":"Croissant de Lune et lumi\u00e8re cendr\u00e9e \u00e0 l&#8217;aube"},"content":{"rendered":"<p><strong>Outre le croissant de Lune, on observe aussi la lumi\u00e8re cendr\u00e9e qui \u00e9claire d\u00e9licatement le reste du globe lunaire. Explications.<\/strong><\/p>\n<h5>Une douce clart\u00e9 :<\/h5>\n<p>Qu\u2019est-ce que la lumi\u00e8re cendr\u00e9e ou clair de Terre ? Alors que le croissant lunaire re\u00e7oit directement les rayons du\u00a0<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/11\/15\/lincroyable-image-de-la-chute-dicare-devant-le-soleil\/\" target=\"_blank\" rel=\"noopener\">Soleil<\/a>, le reste du globe est tr\u00e8s l\u00e9g\u00e8rement \u00e9clair\u00e9. En cause, la lumi\u00e8re solaire que la Terre renvoie dans l\u2019espace. Ce joli ph\u00e9nom\u00e8ne est particuli\u00e8rement perceptible autour de la <a href=\"https:\/\/www.futura-sciences.com\/sciences\/actualites\/astronomie-premiere-fois-on-photographie-nouvelle-lune-23448\/\" target=\"_blank\" rel=\"noopener\">Nouvelle Lune<\/a> (NL). Et c&#8217;\u00e9tait justement le cas ce matin, 48 heures avant la NL. Ce clich\u00e9 a \u00e9t\u00e9 r\u00e9alis\u00e9 avec un bo\u00eetier Nikon D3200 et son objectif Nikkor de 50 millim\u00e8tres de focale. Pose de 2 secondes avec une sensibilit\u00e9 de 800 iso :<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/11\/lune1.jpg\" rel=\"lightbox[22004]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-22005\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/11\/lune1-450x270.jpg\" alt=\"\" width=\"450\" height=\"270\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/11\/lune1-450x270.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/11\/lune1-1024x614.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/11\/lune1-768x460.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/11\/lune1.jpg 1501w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>L\u00e9onard de Vinci fut le premier \u00e0 donner une explication de ce ph\u00e9nom\u00e8ne. Dans son\u00a0<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Codex_Leicester\" target=\"_blank\" rel=\"noopener\"><em>Codex Leicester<\/em><\/a>, il proposa une th\u00e9orie audacieuse. Selon lui, la Lune ressemble \u00e0 la Terre, avec une atmosph\u00e8re et des oc\u00e9ans. Il sugg\u00e9ra donc que ces \u00e9tendues d\u2019eau r\u00e9fl\u00e9chissent la lumi\u00e8re solaire et \u00e9clairent le paysage lunaire. Le g\u00e9nie florentin se trompait concernant l\u2019existence de surfaces liquides sur la Lune, mais il avait raison dans son explication. \u00a0Il y a quelques ann\u00e9es, le regrett\u00e9 <span id=\"more-3650\"><\/span><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/06\/02\/deces-de-fred-espenak-celebre-chasseur-declipses\/\" target=\"_blank\" rel=\"noopener\">Fred Espenak<\/a> avait film\u00e9 la lumi\u00e8re cendr\u00e9e depuis la r\u00e9gion montagneuse de Portal en Arizona :<\/p>\n\n<!-- iframe plugin v.5.1 wordpress.org\/plugins\/iframe\/ -->\n<iframe loading=\"lazy\" title=\"vimeo-player\" src=\"https:\/\/player.vimeo.com\/video\/128421764?h=e266769b3c\" width=\"640\" height=\"360\" frameborder=\"0\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write; encrypted-media; web-share\" 0=\"allowfullscreen\" scrolling=\"yes\" class=\"iframe-class\"><\/iframe>\n\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2024\/05\/14\/une-soiree-avec-la-lumiere-cendree-depuis-le-vercors\/\" target=\"_blank\" rel=\"noopener\">Une soir\u00e9e avec la lumi\u00e8re cendr\u00e9e depuis le Vercors<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2022\/07\/27\/27-juillet-le-fin-croissant-de-lune-accompagne-venus-a-laube\/\" target=\"_blank\" rel=\"noopener\">Le fin croissant de Lune accompagne V\u00e9nus \u00e0 l\u2019aube<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2020\/12\/01\/superbe-palette-de-couleurs-pour-un-lever-de-pleine-lune\/\" target=\"_blank\" rel=\"noopener\">Superbe palette de couleurs pour un lever de Pleine Lune<\/a><\/li>\n<\/ul>\n<p>Suivez l\u2019actualit\u00e9 astronomique et d\u00e9couvrez mes images du ciel en vous abonnant \u00e0 Cielmania sur\u00a0<a href=\"https:\/\/www.facebook.com\/cielmania\/\" target=\"_blank\" rel=\"noopener noreferrer\">Facebook<\/a>.<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Outre le croissant de Lune, on observe aussi la lumi\u00e8re cendr\u00e9e qui \u00e9claire d\u00e9licatement le reste du globe lunaire. Explications. Une douce clart\u00e9 : Qu\u2019est-ce que la lumi\u00e8re cendr\u00e9e ou clair de Terre ? Alors que le croissant lunaire re\u00e7oit directement les rayons du\u00a0Soleil, le reste du globe est tr\u00e8s l\u00e9g\u00e8rement \u00e9clair\u00e9. En cause, la &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/11\/18\/croissant-de-lune-et-lumiere-cendree-a-laube\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Croissant de Lune et lumi\u00e8re cendr\u00e9e \u00e0 l&#8217;aube<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":8,"featured_media":22005,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[83],"tags":[88,82],"class_list":["post-22004","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-la-lune","tag-lumiere-cendree","tag-lune"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Croissant de Lune et lumi\u00e8re cendr\u00e9e \u00e0 l&#039;aube<\/title>\n<meta name=\"description\" content=\"Outre le croissant de Lune, on observe aussi la lumi\u00e8re cendr\u00e9e qui \u00e9claire d\u00e9licatement le reste du globe lunaire. 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