{"id":6211,"date":"2016-09-07T11:50:44","date_gmt":"2016-09-07T11:50:44","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=6211"},"modified":"2016-09-15T11:15:18","modified_gmt":"2016-09-15T11:15:18","slug":"voie-lactee-dessus-desert-de-sel-bolivien-duyuni","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/09\/07\/voie-lactee-dessus-desert-de-sel-bolivien-duyuni\/","title":{"rendered":"Voie lact\u00e9e au-dessus du d\u00e9sert de sel bolivien d&#8217;Uyuni"},"content":{"rendered":"<p><strong>Se refl\u00e9tant sur la surface du\u00a0salar d&#8217;Uyuni, un d\u00e9sert de sel des hauts-plateaux bolivien, la Voie lact\u00e9e s&#8217;offre au photographe Daniel Kordan.<\/strong><\/p>\n<p>En Bolivie, \u00e0 3.600 m\u00e8tres d&#8217;altitude, se d\u00e9ploie le plus vaste d\u00e9sert de sel au monde, le salar d&#8217;Uyuni. Cette \u00e9tendue de sel qui s&#8217;\u00e9tire sur plus de 150 kilom\u00e8tres (sa superficie \u00a0exacte est de 10.582 km\u00b2) s&#8217;est form\u00e9e il y a 14.000 ans suite \u00e0 la disparition d&#8217;un lac pr\u00e9historique, laissant progressivement la place \u00e0 la plus grande cro\u00fbte de sel sur Terre dont l&#8217;\u00e9paisseur varie de 2 \u00e0 120 m\u00e8tres selon les endroits.<\/p>\n<p>On en extrait un tiers des r\u00e9serves de lithium exploitables de la plan\u00e8te, un m\u00e9tal alcalin\u00a0tr\u00e8s recherch\u00e9 qui entre dans la composition des piles et batteries rechargeables, mais qui int\u00e9resse \u00e9galement l&#8217;industrie du verre, des c\u00e9ramiques, la m\u00e9tallurgie, l&#8217;industrie du caoutchouc et des thermoplastiques&#8230;<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/08\/salar_voie_lactee.jpg\" rel=\"lightbox[6211]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-6212\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/08\/salar_voie_lactee-450x292.jpg\" alt=\"salar_voie_lactee\" width=\"450\" height=\"292\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/08\/salar_voie_lactee-450x292.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/08\/salar_voie_lactee-768x499.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/08\/salar_voie_lactee-1024x665.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/08\/salar_voie_lactee.jpg 1385w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>On imagine sans peine la beaut\u00e9 du ciel nocturne depuis le salar d&#8217;Uyuni, loin de toute <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/06\/28\/pollution-lumineuse\/\" target=\"_blank\">pollution lumineuse<\/a>. C&#8217;est le spectacle qu&#8217;a immortalis\u00e9 <a href=\"http:\/\/danielkordan.com\/\" target=\"_blank\">Daniel Kordan<\/a> en se mettant lui-m\u00eame en sc\u00e8ne dans une image o\u00f9 la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/02\/10\/voie-lactee-depuis-le-desert-des-pinnacles-en-australie\/\" target=\"_blank\">Voie lact\u00e9e<\/a> se refl\u00e8te sous les pieds du photographe.<!--more--><\/p>\n<p>M\u00eame si l&#8217;endroit s&#8217;ouvre peu \u00e0 peu au tourisme (on a m\u00eame construit un h\u00f4tel en sel sur le lac pour recevoir les visiteurs !), le salar d&#8217;Uyuni n&#8217;est pas un endroit particuli\u00e8rement accueillant : balay\u00e9 toute l&#8217;ann\u00e9e par le vent avec des temp\u00e9ratures inf\u00e9rieures \u00e0 z\u00e9ro \u00e0 cette \u00e9poque de l&#8217;ann\u00e9e (l&#8217;\u00e9t\u00e9 chez nous correspond \u00e0 la saison froide en Bolivie comme dans tous les pays de l&#8217;h\u00e9misph\u00e8re sud), le salar est particuli\u00e8rement p\u00e9nible \u00e0 arpenter pendant la journ\u00e9e en raison de la tr\u00e8s forte r\u00e9verb\u00e9ration du <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/06\/15\/se-forme-halo-autour-soleil\/\" target=\"_blank\">Soleil <\/a>sur la cro\u00fbte de sel qui n\u00e9cessite le port de lunettes protectrices.<\/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>Se refl\u00e9tant sur la surface du\u00a0salar d&#8217;Uyuni, un d\u00e9sert de sel des hauts-plateaux bolivien, la Voie lact\u00e9e s&#8217;offre au photographe Daniel Kordan. En Bolivie, \u00e0 3.600 m\u00e8tres d&#8217;altitude, se d\u00e9ploie le plus vaste d\u00e9sert de sel au monde, le salar d&#8217;Uyuni. Cette \u00e9tendue de sel qui s&#8217;\u00e9tire sur plus de 150 kilom\u00e8tres (sa superficie \u00a0exacte &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/09\/07\/voie-lactee-dessus-desert-de-sel-bolivien-duyuni\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Voie lact\u00e9e au-dessus du d\u00e9sert de sel bolivien d&#8217;Uyuni<\/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":6212,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[84],"tags":[1802,1801,1803,166],"class_list":["post-6211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciel-etoile","tag-bolivie","tag-daniel-kordan","tag-salar-duyuni","tag-voie-lactee"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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