{"id":5734,"date":"2016-05-12T15:24:27","date_gmt":"2016-05-12T15:24:27","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=5734"},"modified":"2016-05-22T09:56:58","modified_gmt":"2016-05-22T09:56:58","slug":"video-decouvrez-reliefs-de-planete-mercure","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/12\/video-decouvrez-reliefs-de-planete-mercure\/","title":{"rendered":"En vid\u00e9o : d\u00e9couvrez les reliefs de la plan\u00e8te Mercure"},"content":{"rendered":"<p><strong>La NASA vient de pr\u00e9senter la premi\u00e8re carte compl\u00e8te de la topographie de Mercure en combinant de nombreuses images prises par la sonde Messenger.<\/strong><\/p>\n<p>Le jeudi 30 avril 2015 la sonde <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/05\/02\/clap-de-fin-pour-la-sonde-messenger-sur-mercure\/\" target=\"_blank\">Messenger <\/a>s&#8217;\u00e9crasait sur la plan\u00e8te <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/09\/29\/la-planete-mercure-tourne-plus-vite-que-prevu\/\" target=\"_blank\">Mercure <\/a>apr\u00e8s 4 ans d\u2019\u00e9tude et 4103 orbites autour de la premi\u00e8re plan\u00e8te du Syst\u00e8me solaire. Messenger (<em>MErcury Surface, Space ENvironment, GEochemistry and Ranging<\/em>), un orbiteur de plus d\u2019une tonne, avait \u00e9t\u00e9 lanc\u00e9 par la <a href=\"https:\/\/www.nasa.gov\/\" target=\"_blank\">NASA <\/a>le 3 ao\u00fbt 2004 et satellis\u00e9 autour de Mercure le 18 mars 2011.<\/p>\n\n<!-- iframe plugin v.5.1 wordpress.org\/plugins\/iframe\/ -->\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/MRsaHLfZxbU\" frameborder=\"0\" 0=\"allowfullscreen&gt;&lt;\/iframe\" scrolling=\"yes\" class=\"iframe-class\"><\/iframe>\n\n<p>Alors que tout le monde avait les yeux riv\u00e9s sur Mercure le 9 mai \u00e0 l&#8217;occasion de son <a href=\"http:\/\/www.futura-sciences.com\/magazines\/espace\/infos\/actu\/d\/astronomie-plus-belles-images-transit-mercure-62742\/\" target=\"_blank\">transit devant le Soleil<\/a>, la NASA a publi\u00e9 une carte topographique d\u00e9taill\u00e9e de la surface de Mercure r\u00e9alis\u00e9e en combinant plus de 100.000 images fournies par l&#8217;imageur MDIS (<em>Mercury Dual Imaging System<\/em>) avec les donn\u00e9es acquises par l&#8217;altim\u00e8tre laser MLA (<em>Mercury Laser Altimeter<\/em>). Dans cette animation la coloration des reliefs va du rouge pour les plus \u00e9lev\u00e9s au violet pour les plus bas.<!--more--><\/p>\n<p>Cette carte compl\u00e8te va permettre de reconstituer l&#8217;histoire g\u00e9ologique de la premi\u00e8re plan\u00e8te du Syst\u00e8me solaire ; les chercheurs esp\u00e8rent pouvoir \u00e9tablir la chronologie et \u00e9valuer l&#8217;importance des grands \u00e9pisodes volcaniques qui ont fa\u00e7onn\u00e9 le relief de Mercure. En 2017 les agences spatiales europ\u00e9enne et japonaise ont pr\u00e9vu de retourner explorer Mercure avec <a href=\"http:\/\/www.futura-sciences.com\/magazines\/espace\/infos\/actu\/d\/astronautique-image-bepicolombo-destinee-explorer-mercure-construite-54371\/\" target=\"_blank\">BepiColombo<\/a>, une sonde qui compl\u00e8tera le travail de Messenger en embarquant des instruments in\u00e9dits : un spectrom\u00e8tre infrarouge thermique, un acc\u00e9l\u00e9rom\u00e8tre et un transpondeur utilis\u00e9 pour une exp\u00e9rience d\u2019occultation radio.<\/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>La NASA vient de pr\u00e9senter la premi\u00e8re carte compl\u00e8te de la topographie de Mercure en combinant de nombreuses images prises par la sonde Messenger. Le jeudi 30 avril 2015 la sonde Messenger s&#8217;\u00e9crasait sur la plan\u00e8te Mercure apr\u00e8s 4 ans d\u2019\u00e9tude et 4103 orbites autour de la premi\u00e8re plan\u00e8te du Syst\u00e8me solaire. Messenger (MErcury Surface, &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/12\/video-decouvrez-reliefs-de-planete-mercure\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">En vid\u00e9o : d\u00e9couvrez les reliefs de la plan\u00e8te 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":5736,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[86],"tags":[1642,1641,140,486,559,160,1643,1013,1298],"class_list":["post-5734","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soleil-et-planetes","tag-altimetre","tag-bepicolombo","tag-mercure","tag-nasa","tag-sonde-messenger","tag-systeme-solaire","tag-topographie","tag-video","tag-volcanisme"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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