{"id":1664,"date":"2015-01-23T06:52:46","date_gmt":"2015-01-23T06:52:46","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=1664"},"modified":"2016-02-07T08:46:41","modified_gmt":"2016-02-07T08:46:41","slug":"retrouve-beagle-2-sur-mars","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/01\/23\/retrouve-beagle-2-sur-mars\/","title":{"rendered":"On a retrouv\u00e9 Beagle 2 sur Mars"},"content":{"rendered":"<p>25 d\u00e9cembre 2003 : alors que chacun f\u00eate No\u00ebl autour du sapin, les membres de l&#8217;Agence spatiale europ\u00e9enne (<a title=\"ESA\" href=\"http:\/\/www.esa.int\/fre\/ESA_in_your_country\/France\" target=\"_blank\">ESA<\/a>) attendent eux aussi un cadeau venu du ciel. La sonde <a title=\"Mars Express\" href=\"http:\/\/smsc.cnes.fr\/MEX\/Fr\/\" target=\"_blank\"><em>Mars Express<\/em><\/a> doit en effet larguer <a title=\"Beagle 2\" href=\"http:\/\/www.beagle2.com\/\" target=\"_blank\"><em>Beagle 2<\/em><\/a>, un petit atterrisseur de 60 kg (dont 30 kg d&#8217;instruments scientifiques).<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/01\/beagle.jpg\" rel=\"lightbox[1664]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1667\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/01\/beagle-450x308.jpg\" alt=\"beagle\" width=\"450\" height=\"308\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/01\/beagle-450x308.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/01\/beagle.jpg 937w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p><em>Beagle 2<\/em>, baptis\u00e9 du nom du bateau qui transporta Charles Darwin autour du monde entre 1831 et 1836, doit analyser le sol de la plan\u00e8te <a title=\"Le cercueil sur Mars, une par\u00e9idolie\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/01\/06\/le-cercueil-sur-mars-une-pareidolie\/\" target=\"_blank\">Mars <\/a>et y rechercher d&#8217;\u00e9ventuelles traces de vie.<\/p>\n<p><!--more-->Malheureusement le contact est perdu avec l&#8217;atterrisseur apr\u00e8s sa descente : impossible\u00a0de le localiser ou de communiquer avec lui, malgr\u00e9 les tentatives de la sonde am\u00e9ricaine <a title=\"Mars Odyssey\" href=\"http:\/\/mars.nasa.gov\/odyssey\/\" target=\"_blank\"><em>Mars Odyssey<\/em><\/a> et des radiot\u00e9lescopes de <a title=\"Jodrell Bank\" href=\"http:\/\/www.jodrellbank.net\/\" target=\"_blank\">Jodrell Bank<\/a> (Royaume-Uni) et de <a title=\"Stanford Dish\" href=\"http:\/\/dish.stanford.edu\/\" target=\"_blank\">Stanford<\/a> (USA).<\/p>\n<p>On avait peu d&#8217;espoir de rep\u00e9rer <em>Beagle 2<\/em> dont la taille n&#8217;exc\u00e8de pas 1 m\u00e8tre, voire 2 si ses panneaux solaires se sont ouverts (\u00e0 la mani\u00e8re des p\u00e9tales d&#8217;une fleur). Mais c&#8217;\u00e9tait sans compter sur la cam\u00e9ra haute r\u00e9solution <a title=\"HiRise\" href=\"https:\/\/hirise.lpl.arizona.edu\/\" target=\"_blank\">HiRISE<\/a>\u00a0embarqu\u00e9e \u00e0 bord de <a title=\"MRO\" href=\"http:\/\/mars.jpl.nasa.gov\/mro\/\" target=\"_blank\">MRO <\/a>(<em>Mars Reconnaissance Orbiter<\/em>) qui est parvenue \u00e0 photographier l&#8217;atterrisseur, son parachute et son bouclier thermique dans une plaine surnomm\u00e9e <em>Isidis Planitia<\/em>.<\/p>\n<p><em>Beagle 2<\/em> ne s&#8217;est donc pas \u00e9cras\u00e9 puisque certains de ses panneaux solaires sont m\u00eame d\u00e9ploy\u00e9s et la panne est intervenue alors que l&#8217;atterrisseur \u00e9tait d\u00e9j\u00e0 sur la <a title=\"Le crat\u00e8re Gale, sur Mars, est un ancien lac\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/12\/15\/le-cratere-gale-sur-mars-est-un-ancien-lac\/\" target=\"_blank\">Plan\u00e8te rouge<\/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>25 d\u00e9cembre 2003 : alors que chacun f\u00eate No\u00ebl autour du sapin, les membres de l&#8217;Agence spatiale europ\u00e9enne (ESA) attendent eux aussi un cadeau venu du ciel. La sonde Mars Express doit en effet larguer Beagle 2, un petit atterrisseur de 60 kg (dont 30 kg d&#8217;instruments scientifiques). Beagle 2, baptis\u00e9 du nom du bateau &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/01\/23\/retrouve-beagle-2-sur-mars\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">On a retrouv\u00e9 Beagle 2 sur Mars<\/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":1666,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[513,766,767,523,770,772,116,702,768,771,198,114,115,769],"class_list":["post-1664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-atterrisseur","tag-beagle-2","tag-charles-darwin","tag-esa","tag-hirise","tag-isidis-planitia","tag-mars","tag-mars-express","tag-mars-odyssey","tag-mro","tag-panneau-solaire","tag-planete","tag-planete-rouge","tag-radiotelescope"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>On a retrouv\u00e9 Beagle 2 sur Mars<\/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\/01\/23\/retrouve-beagle-2-sur-mars\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"On a retrouv\u00e9 Beagle 2 sur Mars\" \/>\n<meta property=\"og:description\" content=\"25 d\u00e9cembre 2003 : alors que chacun f\u00eate No\u00ebl autour du sapin, les membres de l&#8217;Agence spatiale europ\u00e9enne (ESA) attendent eux aussi un cadeau venu du ciel. La sonde Mars Express doit en effet larguer Beagle 2, un petit atterrisseur de 60 kg (dont 30 kg d&#8217;instruments scientifiques). 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