{"id":1876,"date":"2015-02-13T12:12:30","date_gmt":"2015-02-13T12:12:30","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=1876"},"modified":"2015-02-19T06:20:55","modified_gmt":"2015-02-19T06:20:55","slug":"en-video-le-kilimanjaro-sous-les-etoiles","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/02\/13\/en-video-le-kilimanjaro-sous-les-etoiles\/","title":{"rendered":"En vid\u00e9o : le Kilimanjaro sous les \u00e9toiles"},"content":{"rendered":"<p>Ceux qui aiment les belles images astronomiques connaissent bien celles de\u00a0Babak Amin Tafreshi, ce photographe iranien de 37 ans, membre du collectif <a title=\"TWAN\" href=\"http:\/\/www.twanight.org\/newTWAN\/index.asp\" target=\"_blank\">TWAN <\/a>(<em>The World At Night<\/em>). Il vient de mettre en ligne une superbe vid\u00e9o intitul\u00e9e <em>Kilimanjaro at Night<\/em> dans sa galerie <a title=\"Babak Tafreshi sur Vimeo\" href=\"http:\/\/vimeo.com\/btafreshi\" target=\"_blank\">Vimeo<\/a>.<\/p>\n\n<!-- iframe plugin v.5.1 wordpress.org\/plugins\/iframe\/ -->\n<iframe loading=\"lazy\" src=\"\/\/player.vimeo.com\/video\/119315466\" width=\"450\" height=\"253\" frameborder=\"0\" 0=\"webkitallowfullscreen\" 1=\"mozallowfullscreen\" 2=\"allowfullscreen\" scrolling=\"yes\" class=\"iframe-class\"><\/iframe>\n\n<p>Situ\u00e9 \u00e0 la fronti\u00e8re entre le Kenya et la Tanzanie, le Kilimanjaro (ou Kilimandjaro) est constitu\u00e9 de trois volcans dont le plus \u00e9lev\u00e9 (le Kibo) culmine \u00e0 5 900 m\u00e8tres d&#8217;altitude, ce qui en fait le toit de l&#8217;Afrique. Il fut d\u00e9couvert en 1848\u00a0par l&#8217;explorateur allemand Johannes Rebmann et escalad\u00e9 pour la premi\u00e8re fois en 1889.<\/p>\n<p><!--more-->Avec le r\u00e9chauffement climatique, le <a title=\"Les glaciers du Kilimandjaro dispara\u00eetront d'ici 2030\" href=\"http:\/\/www.futura-sciences.com\/magazines\/environnement\/infos\/actu\/d\/climatologie-glaciers-kilimandjaro-disparaitront-ici-2030-50990\/\" target=\"_blank\">Kilimanjaro <\/a>pourrait perdre ses neiges \u00e9ternelles dans les prochaines d\u00e9cennies, neiges rendues c\u00e9l\u00e8bres en 1952 dans un film interpr\u00e9t\u00e9 par Ava Gardner et Gregory Peck (d&#8217;apr\u00e8s une nouvelle publi\u00e9e en 1936 par l&#8217;\u00e9crivain Ernest Hemingway, <em>The Snows of Kilimanjaro<\/em>).<\/p>\n<p>Pour filmer le Kilimanjaro sous les <a title=\"Le ch\u00e2teau sous les \u00e9toiles\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/05\/18\/chateau-les-etoiles\/\" target=\"_blank\">\u00e9toiles<\/a>, Babak Tafreshi s&#8217;est install\u00e9 dans la savane africaine pour plusieurs nuits, utilisant la technique du <em>time-lapse<\/em> qui consiste \u00e0 prendre des milliers d&#8217;images \u00e0 intervalle r\u00e9gulier puis \u00e0 les assembler de fa\u00e7on \u00e0 acc\u00e9l\u00e9rer le mouvement de l&#8217;ensemble. C&#8217;est ce proc\u00e9d\u00e9 qui permet de visualiser en quelques dizaines de secondes la rotation apparente de la vo\u00fbte c\u00e9leste qui a dur\u00e9 en r\u00e9alit\u00e9 plusieurs heures.<\/p>\n<p>Certaines s\u00e9quences ont \u00e9t\u00e9 r\u00e9alis\u00e9es sous l&#8217;\u00e9clairage de la <a title=\"En images : la Pleine Lune des neiges\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/02\/04\/en-images-la-pleine-lune-des-neiges\/\" target=\"_blank\">Lune<\/a>. C&#8217;est d&#8217;ailleurs l&#8217;une des tr\u00e8s rares sources de lumi\u00e8re nocturne, la r\u00e9gion \u00e9tant encore pr\u00e9serv\u00e9e de toute <a title=\"Pollution lumineuse\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/06\/28\/pollution-lumineuse\/\" target=\"_blank\">pollution lumineuse<\/a>. Les constellations qui d\u00e9filent sous nos yeux (celles visibles depuis l&#8217;h\u00e9misph\u00e8re sud) permettent d&#8217;admirer quelques belles curiosit\u00e9s c\u00e9lestes comme les <a title=\"Hubble a mesur\u00e9 la rotation du Grand Nuage de Magellan\" href=\"http:\/\/www.futura-sciences.com\/magazines\/espace\/infos\/actu\/d\/astronomie-hubble-mesure-rotation-grand-nuage-magellan-52446\/\" target=\"_blank\">Nuages de Magellan<\/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>Ceux qui aiment les belles images astronomiques connaissent bien celles de\u00a0Babak Amin Tafreshi, ce photographe iranien de 37 ans, membre du collectif TWAN (The World At Night). Il vient de mettre en ligne une superbe vid\u00e9o intitul\u00e9e Kilimanjaro at Night dans sa galerie Vimeo. Situ\u00e9 \u00e0 la fronti\u00e8re entre le Kenya et la Tanzanie, le &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/02\/13\/en-video-le-kilimanjaro-sous-les-etoiles\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">En vid\u00e9o : le Kilimanjaro sous les \u00e9toiles<\/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":1878,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[838,841,89,842,837,82,843,167,77,839,840],"class_list":["post-1876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-afrique","tag-babak-tafreshi","tag-etoile","tag-kenya","tag-kilimanjaro","tag-lune","tag-nuages-de-magellan","tag-pollution-lumineuse","tag-tanzanie","tag-twan","tag-vimeo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>En vid\u00e9o : le Kilimanjaro sous les \u00e9toiles<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/02\/13\/en-video-le-kilimanjaro-sous-les-etoiles\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"En vid\u00e9o : le Kilimanjaro sous les \u00e9toiles\" \/>\n<meta property=\"og:description\" content=\"Ceux qui aiment les belles images astronomiques connaissent bien celles de\u00a0Babak Amin Tafreshi, ce photographe iranien de 37 ans, membre du collectif TWAN (The World At Night). Il vient de mettre en ligne une superbe vid\u00e9o intitul\u00e9e Kilimanjaro at Night dans sa galerie Vimeo. 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