{"id":7870,"date":"2017-07-01T15:15:09","date_gmt":"2017-07-01T15:15:09","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=7870"},"modified":"2017-07-24T06:35:58","modified_gmt":"2017-07-24T06:35:58","slug":"video-explorez-canyon-martien-dhebes-chasma","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/07\/01\/video-explorez-canyon-martien-dhebes-chasma\/","title":{"rendered":"En vid\u00e9o : explorez le canyon martien d&#8217;Hebes Chasma"},"content":{"rendered":"<p><strong>Gr\u00e2ce aux images obtenues par la sonde Mars Express, les ing\u00e9nieurs de l&#8217;ESA ont r\u00e9alis\u00e9 une animation permettant de survoler le canyon d&#8217;<em>Hebes Chasma<\/em>.<\/strong><\/p>\n<p>Lanc\u00e9 du cosmodrome de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/11\/16\/en-video-super-lune-leve-sur-baikonour\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ba\u00efkonour<\/a>\u00a0en juin 2003, l\u2019orbiteur europ\u00e9en <a href=\"http:\/\/www.esa.int\/Our_Activities\/Space_Science\/Mars_Express\" target=\"_blank\" rel=\"noopener noreferrer\">Mars Express<\/a>\u00a0a rejoint la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/10\/10\/tres-jeune-cratere-photographie-mars\/\" target=\"_blank\" rel=\"noopener noreferrer\">Plan\u00e8te rouge<\/a>\u00a06 mois plus tard pour s&#8217;y satelliser et y mener une campagne d&#8217;observations qui se poursuit toujours : cartographie des reliefs, \u00e9tude de l\u2019\u00e9volution des <a href=\"http:\/\/www.futura-sciences.com\/sciences\/actualites\/astronomie-mars-chutes-neige-carbonique-planete-rouge-41202\/\" target=\"_blank\" rel=\"noopener noreferrer\">calottes polaires<\/a>, analyse de l\u2019atmosph\u00e8re et de son interaction avec le <a href=\"http:\/\/www.futura-sciences.com\/sciences\/videos\/vent-solaire-terre-protegee-son-champ-magnetique-401\/\" target=\"_blank\" rel=\"noopener noreferrer\">vent solaire<\/a>.<\/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\/yKa8kTvgZyg\" frameborder=\"0\" 0=\"allowfullscreen&gt;&lt;\/iframe\" scrolling=\"yes\" class=\"iframe-class\"><\/iframe>\n\n<p>Mais ce sont surtout les images acquises\u00a0par la <a href=\"http:\/\/www.esa.int\/Our_Activities\/Space_Science\/Mars_Express\/Mars_Express_instruments\" target=\"_blank\" rel=\"noopener noreferrer\">cam\u00e9ra st\u00e9r\u00e9oscopique<\/a> HRSC (<em>High Resolution Stereo Camera<\/em>) qui ont r\u00e9v\u00e9l\u00e9 au grand public toute la diversit\u00e9 des paysages martiens.<!--more--><\/p>\n<p>Des milliers de photographies ont permis aux ing\u00e9nieurs de l&#8217;Agence Spatiale Europ\u00e9enne (ESA) de r\u00e9aliser des animations permettant de survoler certaines r\u00e9gions typiques de la Plan\u00e8te rouge comme <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/01\/30\/en-video-orbiteur-mars-express-survole-mawrth-vallis\/\" target=\"_blank\" rel=\"noopener noreferrer\"><em>Mawrth Vallis<\/em><\/a> ou <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/09\/22\/en-video-le-survol-du-pole-sud-de-la-planete-mars\/\" target=\"_blank\" rel=\"noopener noreferrer\"><em>Atlantis Chaos<\/em><\/a>. L&#8217;animation ci-dessus nous entra\u00eene dans les r\u00e9gions \u00e9quatoriales, \u00e0 300 km au nord de <em>Valles Marineris<\/em>, le plus grand (4.000 km de long) et le plus c\u00e9l\u00e8bre canyon du Syst\u00e8me solaire.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/05\/hebes2.jpg\" rel=\"lightbox[7870]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7872\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/05\/hebes2-450x253.jpg\" alt=\"\" width=\"450\" height=\"253\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/05\/hebes2-450x253.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/05\/hebes2-768x432.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/05\/hebes2.jpg 1024w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p><em>Hebes Chasma<\/em> est une cicatrice beaucoup plus modeste qui s&#8217;\u00e9tire d&#8217;EST en OUEST sur un peu plus de 300 km pour une profondeur d&#8217;environ 8 km (les plan\u00e9tologues appellent <em>chasma<\/em> une vall\u00e9e dont les pentes sont fortement inclin\u00e9es). Ce canyon pr\u00e9sente la particularit\u00e9 de poss\u00e9der une butte centrale (une <em>mesa\u00a0<\/em>bien visible sur l&#8217;image ci-dessus)\u00a0qui s&#8217;\u00e9l\u00e8ve au m\u00eame niveau que les bords du canyon, <em>mesa<\/em> dont la vid\u00e9o nous permet de faire le tour.<\/p>\n<p>&nbsp;<\/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>Gr\u00e2ce aux images obtenues par la sonde Mars Express, les ing\u00e9nieurs de l&#8217;ESA ont r\u00e9alis\u00e9 une animation permettant de survoler le canyon d&#8217;Hebes Chasma. Lanc\u00e9 du cosmodrome de Ba\u00efkonour\u00a0en juin 2003, l\u2019orbiteur europ\u00e9en Mars Express\u00a0a rejoint la Plan\u00e8te rouge\u00a06 mois plus tard pour s&#8217;y satelliser et y mener une campagne d&#8217;observations qui se poursuit toujours &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/07\/01\/video-explorez-canyon-martien-dhebes-chasma\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">En vid\u00e9o : explorez le canyon martien d&#8217;Hebes Chasma<\/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":7871,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[86],"tags":[2224,2226,523,2222,116,702,2225,2223,1013],"class_list":["post-7870","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soleil-et-planetes","tag-canyon","tag-chasma","tag-esa","tag-hebes-chasma","tag-mars","tag-mars-express","tag-mesa","tag-valles-marineris","tag-video"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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