{"id":1348,"date":"2014-12-13T09:58:00","date_gmt":"2014-12-13T09:58:00","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=1348"},"modified":"2014-12-18T15:26:36","modified_gmt":"2014-12-18T15:26:36","slug":"feu-vert-pour-le-telescope-geant-e-elt","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/12\/13\/feu-vert-pour-le-telescope-geant-e-elt\/","title":{"rendered":"Feu vert pour le t\u00e9lescope g\u00e9ant E-ELT"},"content":{"rendered":"

l’E-ELT<\/a>, pour European Extremely Large Telescope<\/em>, est un t\u00e9lescope g\u00e9ant de 39 m\u00e8tres de diam\u00e8tre que l’Europe doit r\u00e9aliser au cours de la prochaine d\u00e9cennie. Cet instrument gigantesque (qui pourra observer l’Univers en lumi\u00e8re visible et dans l’infrarouge) sera install\u00e9 au sommet du\u00a0Cerro Armazones. <\/em><\/p>\n

Cette\u00a0<\/em>montagne culmine \u00e0 3000 m\u00e8tres d\u2019altitude dans le d\u00e9sert d\u2019Atacama au nord du Chili et se situe \u00e0 une vingtaine de kilom\u00e8tres du VLT <\/a>europ\u00e9en, le Very Large Telescope<\/em>.<\/p>\n

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

Le miroir principal de l’E-ELT sera constitu\u00e9 de 798 \u00e9l\u00e9ments hexagonaux de 1,45 m\u00e8tre de diam\u00e8tre, le tout permettant d’atteindre une surface totale de 1 116 m\u00e8tres carr\u00e9s pour une masse de 150 tonnes.<\/p>\n

Le 4 d\u00e9cembre le conseil de l’ESO<\/a> (European Southern Observatory<\/em>) a approuv\u00e9 la premi\u00e8re phase de construction du t\u00e9lescope portant sur la coupole <\/a>et la structure principale de l’instrument (les travaux d’arasement du Cerro Amazones<\/em> ont d\u00e9j\u00e0 d\u00e9but\u00e9 depuis quelques mois).<\/p>\n

L’ESO doit encore trouver des partenaires pour financer l’optique adaptative du t\u00e9lescope (indispensable pour annuler les effets n\u00e9fastes de la turbulence atmosph\u00e9rique) et 210 des 798 miroirs hexagonaux.<\/p>\n","protected":false},"excerpt":{"rendered":"

l’E-ELT, pour European Extremely Large Telescope, est un t\u00e9lescope g\u00e9ant de 39 m\u00e8tres de diam\u00e8tre que l’Europe doit r\u00e9aliser au cours de la prochaine d\u00e9cennie. Cet instrument gigantesque (qui pourra observer l’Univers en lumi\u00e8re visible et dans l’infrarouge) sera install\u00e9 au sommet du\u00a0Cerro Armazones. Cette\u00a0montagne culmine \u00e0 3000 m\u00e8tres d\u2019altitude dans le d\u00e9sert d\u2019Atacama au … Continuer la lecture de Feu vert pour le t\u00e9lescope g\u00e9ant E-ELT<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":1351,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[636,635,195,634,632,633,412,638,96,637],"class_list":["post-1348","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-cerro-amazones","tag-chili","tag-coupole","tag-desert-datacama","tag-e-elt","tag-eso","tag-europe","tag-optique-adaptative","tag-telescope","tag-vlt"],"yoast_head":"\nFeu vert pour le t\u00e9lescope g\u00e9ant E-ELT<\/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\/2014\/12\/13\/feu-vert-pour-le-telescope-geant-e-elt\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Feu vert pour le t\u00e9lescope g\u00e9ant E-ELT\" \/>\n<meta property=\"og:description\" content=\"l’E-ELT, pour European Extremely Large Telescope, est un t\u00e9lescope g\u00e9ant de 39 m\u00e8tres de diam\u00e8tre que l’Europe doit r\u00e9aliser au cours de la prochaine d\u00e9cennie. Cet instrument gigantesque (qui pourra observer l’Univers en lumi\u00e8re visible et dans l’infrarouge) sera install\u00e9 au sommet du\u00a0Cerro Armazones. 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