{"id":2694,"date":"2015-05-02T07:25:31","date_gmt":"2015-05-02T07:25:31","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=2694"},"modified":"2015-05-31T08:01:06","modified_gmt":"2015-05-31T08:01:06","slug":"clap-de-fin-pour-la-sonde-messenger-sur-mercure","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/05\/02\/clap-de-fin-pour-la-sonde-messenger-sur-mercure\/","title":{"rendered":"Clap de fin pour la sonde Messenger sur Mercure"},"content":{"rendered":"<p>Apr\u00e8s 4 ans d&#8217;\u00e9tude et 4103 orbites autour de <a title=\"Mercure passe dans le champ du coronographe de la sonde Soho\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/08\/mercure-passe-dans-le-champ-du-coronographe-de-la-sonde-soho\/\" target=\"_blank\">Mercure<\/a>, la sonde am\u00e9ricaine <a title=\"Messenger\" href=\"http:\/\/messenger.jhuapl.edu\/\" target=\"_blank\">Messenger <\/a>s&#8217;est \u00e9cras\u00e9e le jeudi 30 avril sur la premi\u00e8re plan\u00e8te du Syst\u00e8me solaire, y creusant un nouveau crat\u00e8re de 16 m de diam\u00e8tre environ.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/mercure_messenger1.jpg\" rel=\"lightbox[2694]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2698\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/mercure_messenger1-366x450.jpg\" alt=\"mercure_messenger1\" width=\"366\" height=\"450\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/mercure_messenger1-366x450.jpg 366w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/mercure_messenger1.jpg 508w\" sizes=\"auto, (max-width: 366px) 100vw, 366px\" \/><\/a><\/p>\n<p>Messenger (<em><strong>ME<\/strong>rcury <strong>S<\/strong>urface,<strong> S<\/strong>pace <strong>EN<\/strong>vironment, <strong>GE<\/strong>ochemistry and <strong>R<\/strong>anging<\/em>), un orbiteur de plus d&#8217;une tonne, avait \u00e9t\u00e9 lanc\u00e9 par la <a title=\"NASA\" href=\"http:\/\/www.nasa.gov\/\" target=\"_blank\">NASA <\/a>le 3 ao\u00fbt 2004 et satellis\u00e9 autour de <a title=\"V\u00e9nus et Mercure au cr\u00e9puscule\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/01\/13\/venus-et-mercure-au-crepuscule\/\" target=\"_blank\">Mercure <\/a>le 18 mars 2011.<\/p>\n<p><!--more-->En 4 ann\u00e9es d&#8217;observations, Messenger a r\u00e9alis\u00e9 la cartographie compl\u00e8te de <a title=\"Zoom sur le sol de Mercure\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/26\/zoom-sol-mercure\/\" target=\"_blank\">Mercure <\/a>tout en \u00e9tudiant la composition de sa surface, son champ magn\u00e9tique ainsi que la structure de son exosph\u00e8re.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/mercure_messenger2.jpg\" rel=\"lightbox[2694]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2699\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/mercure_messenger2-360x450.jpg\" alt=\"mercure_messenger2\" width=\"360\" height=\"450\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/mercure_messenger2-360x450.jpg 360w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/mercure_messenger2-819x1024.jpg 819w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/mercure_messenger2.jpg 1200w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><\/p>\n<p>Cette mission plan\u00e9taire a permis de mieux cerner la plan\u00e8te la moins connue du syst\u00e8me solaire ; <a title=\"Insaisissable Mercure\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/05\/17\/insaisissable-mercure\/\" target=\"_blank\">Mercure <\/a>n&#8217;avait en effet jamais re\u00e7u la visite d&#8217;une sonde. Seule Mariner 10 l&#8217;avait survol\u00e9e \u00e0 3 reprises en 1974 et 1975 avant de se diriger vers <a title=\"V\u00e9nus au p\u00e9rih\u00e9lie s\u2019\u00e9loigne des Pl\u00e9iades\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/19\/venus-au-perihelie-seloigne-des-pleiades\/\" target=\"_blank\">V\u00e9nus<\/a>, son objectif principal.<\/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>Apr\u00e8s 4 ans d&#8217;\u00e9tude et 4103 orbites autour de Mercure, la sonde am\u00e9ricaine Messenger s&#8217;est \u00e9cras\u00e9e le jeudi 30 avril sur la premi\u00e8re plan\u00e8te du Syst\u00e8me solaire, y creusant un nouveau crat\u00e8re de 16 m de diam\u00e8tre environ. Messenger (MErcury Surface, Space ENvironment, GEochemistry and Ranging), un orbiteur de plus d&#8217;une tonne, avait \u00e9t\u00e9 lanc\u00e9 &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/05\/02\/clap-de-fin-pour-la-sonde-messenger-sur-mercure\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Clap de fin pour la sonde Messenger sur Mercure<\/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":2703,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[787,140,486,114,559,160],"class_list":["post-2694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-champ-magnetique","tag-mercure","tag-nasa","tag-planete","tag-sonde-messenger","tag-systeme-solaire"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Clap de fin pour la sonde Messenger sur Mercure<\/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\/05\/02\/clap-de-fin-pour-la-sonde-messenger-sur-mercure\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Clap de fin pour la sonde Messenger sur Mercure\" \/>\n<meta property=\"og:description\" content=\"Apr\u00e8s 4 ans d&#8217;\u00e9tude et 4103 orbites autour de Mercure, la sonde am\u00e9ricaine Messenger s&#8217;est \u00e9cras\u00e9e le jeudi 30 avril sur la premi\u00e8re plan\u00e8te du Syst\u00e8me solaire, y creusant un nouveau crat\u00e8re de 16 m de diam\u00e8tre environ. 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