{"id":18271,"date":"2023-08-25T05:35:27","date_gmt":"2023-08-25T05:35:27","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=18271"},"modified":"2023-09-05T16:12:14","modified_gmt":"2023-09-05T16:12:14","slug":"insolite-mirage-solaire-et-rayon-vert","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/08\/25\/insolite-mirage-solaire-et-rayon-vert\/","title":{"rendered":"Insolite : mirage solaire et rayon vert"},"content":{"rendered":"<p><strong>L&#8217;observation du Soleil levant offre parfois d&#8217;\u00e9tonnantes visions fugitives, comme ce mirage accompagn\u00e9 du rayon vert.<\/strong><\/p>\n<h5>Le Soleil dans tous ses \u00e9tats :<\/h5>\n<p>Que se passe-t-il au-dessus du <a href=\"https:\/\/www.futura-sciences.com\/sciences\/questions-reponses\/astronomie-soleil-notre-etoile-va-t-elle-mourir-9545\/\" target=\"_blank\" rel=\"noopener\">Soleil<\/a> ? Sur cette s\u00e9rie d&#8217;images prises \u00e0 l&#8217;aube du 24 ao\u00fbt 2023, on remarque la pr\u00e9sence d&#8217;un mirage juste au-dessus du Soleil. Ce ph\u00e9nom\u00e8ne est provoqu\u00e9 par l&#8217;empilement de diff\u00e9rentes couches d\u2019air qui composent l&#8217;atmosph\u00e8re. Il arrive que la zone de transition thermique entre deux couches d\u2019air se comporte un peu comme une fibre optique. En d\u00e9viant les rayons lumineux, elle fait appara\u00eetre bri\u00e8vement un petit morceau de l&#8217;image du Soleil juste au-dessus du disque. On parle alors de mirage solaire :<\/p>\n<figure id=\"attachment_18272\" aria-describedby=\"caption-attachment-18272\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/08\/rayon_vert.jpg\" rel=\"lightbox[18271]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-18272\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/08\/rayon_vert-450x254.jpg\" alt=\"\" width=\"450\" height=\"254\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/08\/rayon_vert-450x254.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/08\/rayon_vert-1024x579.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/08\/rayon_vert-768x434.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/08\/rayon_vert.jpg 1500w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-18272\" class=\"wp-caption-text\">Mirage et rayon vert \u00e0 l&#8217;aube du 24 ao\u00fbt 2023. \u00a9 Jean-Baptiste Feldmann<\/figcaption><\/figure>\n<p>Mais ce mirage n&#8217;est pas seul ! Il est accompagn\u00e9 du mythique rayon vert popularis\u00e9 par l&#8217;\u00e9crivain <a href=\"https:\/\/www.futura-sciences.com\/sciences\/personnalites\/homme-jules-verne-427\/\" target=\"_blank\" rel=\"noopener\">Jules Verne<\/a>. Le rayon vert est le r\u00e9sultat impr\u00e9visible des effets de la dispersion et de la diffusion de la lumi\u00e8re solaire par l\u2019atmosph\u00e8re terrestre qui joue le r\u00f4le d\u2019un prisme. Ce spectacle immortalis\u00e9 avec un bo\u00eetier Panasonic FZ82 n&#8217;a dur\u00e9 qu&#8217;une poign\u00e9e de secondes avant que le disque solaire ne retrouve sa forme habituelle.<\/p>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/02\/20\/pilier-de-lumiere-au-dessus-de-letna-en-eruption\/\" target=\"_blank\" rel=\"noopener\">Pilier de lumi\u00e8re au-dessus de l&#8217;Etna en \u00e9ruption<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2021\/07\/04\/des-nuages-noctiluques-se-dessinent-dans-le-ciel-bourguignon\/\" target=\"_blank\" rel=\"noopener\">Des nuages noctiluques se dessinent juste avant l\u2019aube<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2021\/06\/14\/aurore-australe-au-dessus-de-la-base-scientifique-concordia\/\" target=\"_blank\" rel=\"noopener\">Aurore australe au-dessus de la base scientifique Concordia<\/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>L&#8217;observation du Soleil levant offre parfois d&#8217;\u00e9tonnantes visions fugitives, comme ce mirage accompagn\u00e9 du rayon vert. Le Soleil dans tous ses \u00e9tats : Que se passe-t-il au-dessus du Soleil ? Sur cette s\u00e9rie d&#8217;images prises \u00e0 l&#8217;aube du 24 ao\u00fbt 2023, on remarque la pr\u00e9sence d&#8217;un mirage juste au-dessus du Soleil. Ce ph\u00e9nom\u00e8ne est provoqu\u00e9 &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/08\/25\/insolite-mirage-solaire-et-rayon-vert\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Insolite : mirage solaire et rayon vert<\/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":18272,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[86],"tags":[710,3447,709,97],"class_list":["post-18271","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soleil-et-planetes","tag-jules-verne","tag-mirage-solaire","tag-rayon-vert","tag-soleil"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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