{"id":3505,"date":"2015-09-09T05:08:22","date_gmt":"2015-09-09T05:08:22","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=3505"},"modified":"2015-09-16T03:57:20","modified_gmt":"2015-09-16T03:57:20","slug":"insolite-un-drone-survole-le-very-large-telescope","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/09\/09\/insolite-un-drone-survole-le-very-large-telescope\/","title":{"rendered":"Insolite : un drone survole le Very Large Telescope"},"content":{"rendered":"

Le site embl\u00e9matique du Very Large Telescope<\/em>, un ensemble de 4 t\u00e9lescopes g\u00e9ants install\u00e9s au Chili par l’ESO, a \u00e9t\u00e9 photographi\u00e9 depuis un quadrirotor.\u00a0<\/strong><\/p>\n

Install\u00e9 dans le d\u00e9sert chilien de l’Atacama au sommet du Cerro Paranal depuis plusieurs d\u00e9cennies, l’Observatoire Europ\u00e9en Austral (ESO<\/a>) est constitu\u00e9 de nombreux instruments astronomiques parmi les plus puissants du monde qui op\u00e8rent sous l’un des ciels les plus purs de la plan\u00e8te.<\/p>\n

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

Les 4 t\u00e9lescopes <\/a>qui composent le VLT sont les plus r\u00e9put\u00e9s. Ils sont \u00e9quip\u00e9s\u00a0de miroirs primaires de 8,2 m\u00e8tres de diam\u00e8tre. Chacun de ces t\u00e9lescopes peut travailler seul, mais on peut aussi les associer \u00e0 4 autres t\u00e9lescopes plus petits (1,8 m\u00e8tre) et mobiles (ils circulent sur des rails) de fa\u00e7on \u00e0 former un interf\u00e9rom\u00e8tre g\u00e9ant, le VLTI<\/a>, capable d’offrir des vues de l’Univers 25 fois plus pr\u00e9cises qu’avec un seul des t\u00e9lescopes.<\/p>\n

L’ESO propose r\u00e9guli\u00e8rement sur son site des images de ses observatoires au Chili, que ce soit au Paranal <\/a>ou \u00e0 la Silla<\/a>. Mais ces images, diurnes ou nocturnes, sont toutes prises depuis le sol. Cette fois-ci c’est un quadrirotor pilot\u00e9 par Gerhard H\u00fcdepohl<\/a>\u00a0qui a permis de prendre de la hauteur pour photographier le VLT au sommet du Cerro Paranal peu avant que le Soleil <\/a>ne se couche, donnant de belles couleurs aux coupoles de l’observatoire et aux montagnes d\u00e9sertiques tout autour.<\/p>\n

c’est non loin du Very Large Telescope<\/em> que l’ESO a entrepris de construire l’European Extremely Large Telescope\u00a0<\/em>(E-ELT<\/a>), un t\u00e9lescope g\u00e9ant de 39 m de diam\u00e8tre.<\/p>\n","protected":false},"excerpt":{"rendered":"

Le site embl\u00e9matique du Very Large Telescope, un ensemble de 4 t\u00e9lescopes g\u00e9ants install\u00e9s au Chili par l’ESO, a \u00e9t\u00e9 photographi\u00e9 depuis un quadrirotor.\u00a0 Install\u00e9 dans le d\u00e9sert chilien de l’Atacama au sommet du Cerro Paranal depuis plusieurs d\u00e9cennies, l’Observatoire Europ\u00e9en Austral (ESO) est constitu\u00e9 de nombreux instruments astronomiques parmi les plus puissants du monde … Continuer la lecture de Insolite : un drone survole le Very Large Telescope<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":3507,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[635,1221,633,1222,1220,96,637,1223],"class_list":["post-3505","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-chili","tag-drone","tag-eso","tag-gerhard-hudepohl","tag-quadrirotor","tag-telescope","tag-vlt","tag-vlti"],"yoast_head":"\nInsolite : un drone survole le Very Large Telescope<\/title>\n<meta name=\"description\" content=\"Le site embl\u00e9matique du Very Large Telescope, un ensemble de 4 t\u00e9lescopes g\u00e9ants install\u00e9s au Chili par l'ESO, a \u00e9t\u00e9 photographi\u00e9 depuis un quadrirotor.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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