{"id":3102,"date":"2015-06-29T05:04:58","date_gmt":"2015-06-29T05:04:58","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=3102"},"modified":"2015-07-08T05:11:17","modified_gmt":"2015-07-08T05:11:17","slug":"des-chauves-souris-sous-les-aurores-boreales","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/06\/29\/des-chauves-souris-sous-les-aurores-boreales\/","title":{"rendered":"Des chauves-souris sous les aurores bor\u00e9ales"},"content":{"rendered":"

En raison d’un regain d’activit\u00e9 solaire, des draperies aurorales ont illumin\u00e9 le ciel en Europe et en Am\u00e9rique sans pour autant troubler la chasse nocturne des chauves-souris sur un lac du Montana.<\/strong><\/p>\n

Le Soleil <\/a>fait actuellement beaucoup parler de lui\u00a0; des \u00e9jections de masse coronale sont emport\u00e9es depuis plusieurs jours par le vent solaire qui s’engouffre dans la haute atmosph\u00e8re terrestre au niveau des p\u00f4les magn\u00e9tiques et d\u00e9clenche des aurores polaires<\/a>.<\/p>\n

\"aurore_boreale\"<\/a><\/p>\n

D’habitude ces aurores ne concernent que les hautes latitudes (au-dessus de 65\u00b0 nord) mais la semaine derni\u00e8re la zone aurorale s’est \u00e9tendue et certains observateurs fran\u00e7ais ont pu les admirer au-dessus de l’horizon nord.<\/p>\n

Le photographe John Ashley<\/a> a la chance de vivre dans le Montana, l’un des \u00e9tats am\u00e9ricains qui longe la fronti\u00e8re canadienne, un endroit propice \u00e0 l’observation des aurores bor\u00e9ales.<\/p>\n

La nuit du 22 au 23 juin il s’est install\u00e9 au bord d’un lac pour y photographier les draperies lumineuses qui se d\u00e9ployaient sur fond de ciel \u00e9toil\u00e9<\/a>. Pendant ce temps quelques chauves-souris cherchaient leurs proies \u00e0 la surface de l’eau.<\/p>\n

John Ashley a r\u00e9alis\u00e9 plusieurs longues poses photographiques pour immortaliser les aurores polaires<\/a>, en prenant soin de commencer chaque pose par un coup de flash permettant de figer en vol les chiropt\u00e8res. L’image pr\u00e9sent\u00e9e ci-dessus est un assemblage de 30 clich\u00e9s.<\/p>\n","protected":false},"excerpt":{"rendered":"

En raison d’un regain d’activit\u00e9 solaire, des draperies aurorales ont illumin\u00e9 le ciel en Europe et en Am\u00e9rique sans pour autant troubler la chasse nocturne des chauves-souris sur un lac du Montana. Le Soleil fait actuellement beaucoup parler de lui\u00a0; des \u00e9jections de masse coronale sont emport\u00e9es depuis plusieurs jours par le vent solaire qui … Continuer la lecture de Des chauves-souris sous les aurores bor\u00e9ales<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":3103,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[86],"tags":[395,1128,1129,1130,1131,1012,618],"class_list":["post-3102","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soleil-et-planetes","tag-aurore-boreale","tag-chauve-souris","tag-chiroptere","tag-john-ashley","tag-montana","tag-usa","tag-vent-solaire"],"yoast_head":"\nDes chauves-souris sous les aurores bor\u00e9ales<\/title>\n<meta name=\"description\" content=\"Des draperies aurorales ont illumin\u00e9 le ciel en Europe et en Am\u00e9rique sans pour 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