{"id":3951,"date":"2015-10-31T06:57:08","date_gmt":"2015-10-31T06:57:08","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=3951"},"modified":"2015-11-06T05:49:16","modified_gmt":"2015-11-06T05:49:16","slug":"halloween-des-citrouilles-sous-les-aurores-boreales","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/10\/31\/halloween-des-citrouilles-sous-les-aurores-boreales\/","title":{"rendered":"Halloween : des citrouilles sous les aurores bor\u00e9ales"},"content":{"rendered":"<p><strong>Ce 31 octobre on f\u00eate Halloween avec costumes, chasse aux bonbons et sculpture de citrouilles. Et si les aurores bor\u00e9ales s&#8217;invitaient aussi ?<\/strong><\/p>\n<p>La soir\u00e9e du 31 octobre, veille de Toussaint, est traditionnellement marqu\u00e9e par Halloween, une f\u00eate qui semble remonter \u00e0 l&#8217;\u00e9poque o\u00f9 les Celtes c\u00e9l\u00e9braient l&#8217;arriv\u00e9e de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/09\/23\/le-23-septembre-cest-le-jour-de-lequinoxe\/\" target=\"_blank\">l&#8217;automne<\/a>. C&#8217;est l&#8217;occasion de sculpter des t\u00eates grima\u00e7antes dans des citrouilles dont on a vid\u00e9 le contenu pour y placer une bougie. Pos\u00e9es sur les bords de fen\u00eatres et les murets, les cucurbitac\u00e9es deviennent alors ces inqui\u00e9tants visages qui perp\u00e9tuent l&#8217;espace d&#8217;une nuit la l\u00e9gende \u00a0de\u00a0Jack \u00e0 la lanterne, un mar\u00e9chal-ferrant irlandais ivrogne et m\u00e9chant qui bouscula un soir le diable dans une taverne.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/10\/aurores.jpg\" rel=\"lightbox[3951]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3952\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/10\/aurores-450x300.jpg\" alt=\"aurores\" width=\"450\" height=\"300\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/10\/aurores-450x300.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/10\/aurores.jpg 960w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Install\u00e9 dans le\u00a0New Hampshire, un \u00e9tat du nord-est des \u00c9tats-Unis \u00e0 la fronti\u00e8re du Canada, le photographe <a href=\"https:\/\/agevansphotography.smugmug.com\/Astrophotography\/\" target=\"_blank\">A. G. Evans<\/a>\u00a0a saisi il y a quelques jours des <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/09\/14\/festival-daurores-boreales-depuis-quelques-nuits\/\" target=\"_blank\">aurores bor\u00e9ales<\/a> au-dessus d&#8217;une r\u00e9colte de citrouilles.<\/p>\n\n<!-- iframe plugin v.5.1 wordpress.org\/plugins\/iframe\/ -->\n<iframe loading=\"lazy\" frameborder=\"0\" width=\"480\" height=\"270\" src=\"\/\/www.dailymotion.com\/embed\/video\/x2cefhp\" 0=\"allowfullscreen\" scrolling=\"yes\" class=\"iframe-class\"><\/iframe>\n\n<p style=\"text-align: center\"><strong>En vid\u00e9o : l&#8217;ISS survole des aurores bor\u00e9ales<\/strong><\/p>\n<p><!--more-->D&#8217;autres photographes plac\u00e9s \u00e0 proximit\u00e9 du cercle polaire auront peut-\u00eatre la m\u00eame opportunit\u00e9 cette nuit : l&#8217;activit\u00e9 solaire se maintient \u00e0 un niveau assez \u00e9lev\u00e9 depuis plusieurs mois et il ne se passe pas une semaine sans qu&#8217;une \u00e9jection de masse coronale n&#8217;envoie son flot de particules \u00e9nerg\u00e9tiques dans l&#8217;espace.<\/p>\n<p>Lorsque le vent solaire charg\u00e9 de ces particules arrive vers la Terre, il s&#8217;engouffre au niveau des p\u00f4les en suivant les lignes du champ magn\u00e9tique terrestre et ionise les mol\u00e9cules d&#8217;oxyg\u00e8ne dans la haute atmosph\u00e8re, produisant d&#8217;envo\u00fbtantes draperies vertes dans le ciel nocturne, les <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/06\/29\/des-chauves-souris-sous-les-aurores-boreales\/\" target=\"_blank\">aurores bor\u00e9ales<\/a>.<\/p>\n<p>Si vous souhaitez d\u00e9couvrir en vid\u00e9o les aurores bor\u00e9ales en mouvement, vous pouvez regarder <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/05\/17\/en-video-les-aurores-islandaises-de-stephane-vetter\/\" target=\"_blank\">les aurores islandaises de St\u00e9phane Vetter<\/a> ou encore <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/19\/en-video-la-danse-des-aurores-boreales-sur-lalaska\/\" target=\"_blank\">la danse des aurores bor\u00e9ales sur l\u2019Alaska<\/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>Ce 31 octobre on f\u00eate Halloween avec costumes, chasse aux bonbons et sculpture de citrouilles. Et si les aurores bor\u00e9ales s&#8217;invitaient aussi ? La soir\u00e9e du 31 octobre, veille de Toussaint, est traditionnellement marqu\u00e9e par Halloween, une f\u00eate qui semble remonter \u00e0 l&#8217;\u00e9poque o\u00f9 les Celtes c\u00e9l\u00e9braient l&#8217;arriv\u00e9e de l&#8217;automne. C&#8217;est l&#8217;occasion de sculpter des &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/10\/31\/halloween-des-citrouilles-sous-les-aurores-boreales\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Halloween : des citrouilles sous les aurores bor\u00e9ales<\/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":3956,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[1314,395,1312,500,1313],"class_list":["post-3951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-a-g-evans","tag-aurore-boreale","tag-citrouille","tag-halloween","tag-new-hampshire"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Halloween : des citrouilles sous les aurores bor\u00e9ales<\/title>\n<meta name=\"description\" content=\"Ce 31 octobre on f\u00eate Halloween avec costumes, chasse aux bonbons et sculpture de citrouilles. 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