{"id":2891,"date":"2015-06-10T05:06:12","date_gmt":"2015-06-10T05:06:12","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=2891"},"modified":"2015-06-16T04:25:16","modified_gmt":"2015-06-16T04:25:16","slug":"voie-lactee-et-bioluminescence-dans-le-sud-de-laustralie","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/06\/10\/voie-lactee-et-bioluminescence-dans-le-sud-de-laustralie\/","title":{"rendered":"Voie lact\u00e9e et bioluminescence dans le sud de l&#8217;Australie"},"content":{"rendered":"<p><strong>Le photographe <a href=\"http:\/\/www.redbubble.com\/people\/hitman35mm\" target=\"_blank\">James Garlick<\/a>\u00a0a saisi la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/14\/la-voie-lactee-se-deploie-au-dessus-du-col-du-lautaret\/\" target=\"_blank\">Voie lact\u00e9e<\/a> depuis le sud de la Tasmanie (une \u00eele s\u00e9par\u00e9e de l&#8217;Australie par le d\u00e9troit de Bass), alors que les eaux c\u00f4ti\u00e8res \u00e9taient \u00a0charg\u00e9es en\u00a0phytoplancton bioluminescent.<\/strong><\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/plancton1.jpg\" rel=\"lightbox[2891]\"><img loading=\"lazy\" decoding=\"async\" class=\" size-medium wp-image-2892 aligncenter\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/plancton1-300x450.jpg\" alt=\"plancton1\" width=\"300\" height=\"450\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/plancton1-300x450.jpg 300w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/plancton1-683x1024.jpg 683w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/plancton1.jpg 1210w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>La bioluminescence est un ph\u00e9nom\u00e8ne de production de lumi\u00e8re par des organismes vivants, un processus au cours duquel de l\u2019\u00e9nergie chimique est transform\u00e9e en \u00e9nergie lumineuse.<\/p>\n<p><!--more-->Beaucoup d&#8217;entre nous ont d\u00e9j\u00e0 observ\u00e9 des <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/24\/des-etoiles-et-des-lucioles-sur-le-lac-natron\/\" target=\"_blank\">lucioles<\/a>, petits points lumineux perdus dans les hautes herbes un soir d&#8217;\u00e9t\u00e9. Ces col\u00e9opt\u00e8res \u00e9mettent une lumi\u00e8re verte qui leur permet de se retrouver pour assurer leur reproduction.<\/p>\n<p>Le\u00a0phytoplancton, compos\u00e9 en majorit\u00e9 de cyanobact\u00e9ries, \u00e9volue dans les couches superficielles de la mer o\u00f9 il produit une lumi\u00e8re bleue qui ondule en suivant le mouvement des vagues. C&#8217;est ce spectacle incroyable qui attendait James Garlick le 18 mai dernier lorsqu&#8217;il est sorti de sa voiture en bord de mer pour photographier la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/08\/05\/voie-lactee-chateau\/\" target=\"_blank\">Voie lact\u00e9e<\/a>. L&#8217;image ci-dessus a \u00e9t\u00e9 r\u00e9alis\u00e9e avec un objectif de 14 mm de focale ouvert \u00e0 f\/d=2,8. La pose \u00e9tait de 25 sec pour une sensibilit\u00e9 de 3200 iso.<\/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>Le photographe James Garlick\u00a0a saisi la Voie lact\u00e9e depuis le sud de la Tasmanie (une \u00eele s\u00e9par\u00e9e de l&#8217;Australie par le d\u00e9troit de Bass), alors que les eaux c\u00f4ti\u00e8res \u00e9taient \u00a0charg\u00e9es en\u00a0phytoplancton bioluminescent. La bioluminescence est un ph\u00e9nom\u00e8ne de production de lumi\u00e8re par des organismes vivants, un processus au cours duquel de l\u2019\u00e9nergie chimique est &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/06\/10\/voie-lactee-et-bioluminescence-dans-le-sud-de-laustralie\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Voie lact\u00e9e et bioluminescence dans le sud de l&#8217;Australie<\/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":2893,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[686,952,1058,951,1059,1060,166],"class_list":["post-2891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-australie","tag-bioluminescence","tag-james-garlick","tag-luciole","tag-phytoplancton","tag-tasmanie","tag-voie-lactee"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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