{"id":944,"date":"2021-02-19T08:37:59","date_gmt":"2021-02-19T08:37:59","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/frankel\/?p=944"},"modified":"2021-03-28T09:11:38","modified_gmt":"2021-03-28T09:11:38","slug":"perseverance-sest-pose-sur-mars","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/frankel\/2021\/02\/19\/perseverance-sest-pose-sur-mars\/","title":{"rendered":"Perseverance s&#8217;est pos\u00e9 sur Mars"},"content":{"rendered":"\r\n<p>Apr\u00e8s un voyage de sept mois, la sonde Perseverance de la NASA s&#8217;est pos\u00e9e avec succ\u00e8s sur Mars, dans le crat\u00e8re d&#8217;impact Jezero (18,4\u00b0N, 77,5\u00b0E), le 18 f\u00e9vrier \u00e0 21h55, heure fran\u00e7aise (20h55 TU).<br \/>L&#8217;atterrissage s&#8217;est d\u00e9roul\u00e9 sans encombre, apr\u00e8s une arriv\u00e9e par le nord-ouest au-dessus de la cr\u00eate du crat\u00e8re et le survol de l&#8217;ancien delta que le rover d&#8217;une tonne va \u00e9tudier au cours des prochaines ann\u00e9es.<\/p>\r\n<figure id=\"attachment_949\" aria-describedby=\"caption-attachment-949\" style=\"width: 879px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/mars2020-celebrate.jpg\" rel=\"lightbox[944]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-949\" src=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/mars2020-celebrate.jpg\" alt=\"\" width=\"879\" height=\"619\" srcset=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/mars2020-celebrate.jpg 879w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/mars2020-celebrate-450x317.jpg 450w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/mars2020-celebrate-768x541.jpg 768w\" sizes=\"auto, (max-width: 879px) 100vw, 879px\" \/><\/a><figcaption id=\"caption-attachment-949\" class=\"wp-caption-text\">Adam Steltzner et l&#8217;\u00e9quipe de Perseverance au centre de contr\u00f4le JPL de la NASA, au moment de l&#8217;atterrissage. (NASA\/Bill Ingalls)<\/figcaption><\/figure>\r\n<p>C&#8217;est le huiti\u00e8me atterrissage r\u00e9ussi sur Mars par la NASA sur neuf tentatives, apr\u00e8s les succ\u00e8s de Viking 1 et Viking 2 (1976), Mars Pathfinder (1997), Spirit et Opportunity (2004), Phoenix (2008), Curiosity (2012) et Insight (2018).<\/p>\r\n<figure id=\"attachment_950\" aria-describedby=\"caption-attachment-950\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/NASABill-Ingalls.jpg\" rel=\"lightbox[944]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-950\" src=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/NASABill-Ingalls.jpg\" alt=\"\" width=\"1200\" height=\"838\" srcset=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/NASABill-Ingalls.jpg 1200w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/NASABill-Ingalls-450x314.jpg 450w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/NASABill-Ingalls-1024x715.jpg 1024w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/NASABill-Ingalls-768x536.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><figcaption id=\"caption-attachment-950\" class=\"wp-caption-text\">Premi\u00e8res images du sol renvoy\u00e9es par les cam\u00e9ras de navigation de la sonde (NASA\/Bill Ingalls)<\/figcaption><\/figure>\r\n<p>Les premi\u00e8res photographies prises par les cam\u00e9ras de navigation montrent un sol parsem\u00e9 de roches blanches. Gr\u00e2ce au relais permis par les satellites qui survoleront le site dans les prochains jours, de meilleures images, y compris une vid\u00e9o de la descente de l&#8217;engin, devraient \u00eatre disponibles d&#8217;ici lundi prochain 22 f\u00e9vrier.<br \/>Dans un premier temps, les ing\u00e9nieurs vont t\u00e9l\u00e9charger de nouveaux logiciels de navigation dans l&#8217;ordinateur du rover, ce qui devrait prendre quatre jours, pointer son antenne de t\u00e9l\u00e9communications vers la Terre, et commencer \u00e0 prendre des images \u00e0 haute r\u00e9solution du site.<\/p>\r\n<figure id=\"attachment_948\" aria-describedby=\"caption-attachment-948\" style=\"width: 590px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/ESA-DLR-FU-Berlin-NASA-and-JPL-Caltech.jpg\" rel=\"lightbox[944]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-948\" src=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/ESA-DLR-FU-Berlin-NASA-and-JPL-Caltech.jpg\" alt=\"\" width=\"590\" height=\"393\" srcset=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/ESA-DLR-FU-Berlin-NASA-and-JPL-Caltech.jpg 590w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/ESA-DLR-FU-Berlin-NASA-and-JPL-Caltech-450x300.jpg 450w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/><\/a><figcaption id=\"caption-attachment-948\" class=\"wp-caption-text\">L&#8217;ellipse d&#8217;atterrissage vis\u00e9e par Perseverance. Le rover s&#8217;est pos\u00e9 \u00e0 1,7 kilom\u00e8tre au sud-est (en bas \u00e0 droite) du centre de l&#8217;ellipse. (ESA\/DLR\/FU-Berlin, NASA\/JPL-Caltech)<\/figcaption><\/figure>\r\n<p><br \/>La premi\u00e8re mission de Perseverance sera de d\u00e9poser au sol le petit &#8220;h\u00e9licopt\u00e8re-drone&#8221; (Ingenuity) accroch\u00e9 sous son chassis, drone qui effectuera plusieurs vols pour faire une reconnaissance du site. Sa pr\u00e9paration devrait prendre une dizaine de jours et les op\u00e9rations de reconnaissance pr\u00e8s d&#8217;un mois. Puis le rover se lancera \u00e0 l&#8217;assaut du delta s\u00e9dimentaire qu&#8217;il est venu \u00e9tudier&#8230;<\/p>\r\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 un voyage de sept mois, la sonde Perseverance de la NASA s&#8217;est pos\u00e9e avec succ\u00e8s sur Mars, dans le crat\u00e8re d&#8217;impact Jezero (18,4\u00b0N, 77,5\u00b0E), le 18 f\u00e9vrier \u00e0 21h55, heure fran\u00e7aise (20h55 TU).L&#8217;atterrissage s&#8217;est d\u00e9roul\u00e9 sans encombre, apr\u00e8s une arriv\u00e9e par le nord-ouest au-dessus de la cr\u00eate du crat\u00e8re et le survol de l&#8217;ancien &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/frankel\/2021\/02\/19\/perseverance-sest-pose-sur-mars\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Perseverance s&#8217;est pos\u00e9 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":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[13,4],"tags":[],"class_list":["post-944","post","type-post","status-publish","format-standard","hentry","category-actualites","category-sciences"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Perseverance s&#039;est pos\u00e9 sur Mars - Carnets de bord d\u2019un martien, le blog de Charles FRANKEL, g\u00e9ologue<\/title>\n<meta name=\"description\" content=\"Le rover Perseverance s&#039;est pos\u00e9 sur Mars le 18 f\u00e9vrier 2021 et va commencer dans quelques jours l&#039;exploration du crat\u00e8re Jezero\" \/>\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\/frankel\/2021\/02\/19\/perseverance-sest-pose-sur-mars\/\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Charles Frankel\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/frankel\/2021\/02\/19\/perseverance-sest-pose-sur-mars\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/frankel\/2021\/02\/19\/perseverance-sest-pose-sur-mars\/\",\"name\":\"Perseverance s'est pos\u00e9 sur Mars - Carnets de bord d\u2019un martien, le blog de Charles FRANKEL, g\u00e9ologue\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/frankel\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/frankel\/2021\/02\/19\/perseverance-sest-pose-sur-mars\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/frankel\/2021\/02\/19\/perseverance-sest-pose-sur-mars\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/mars2020-celebrate.jpg\",\"datePublished\":\"2021-02-19T08:37:59+00:00\",\"dateModified\":\"2021-03-28T09:11:38+00:00\",\"author\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/frankel\/#\/schema\/person\/c6bf521c6d19bf22fb19fb2b3d6fcf63\"},\"description\":\"Le rover Perseverance s'est pos\u00e9 sur Mars le 18 f\u00e9vrier 2021 et va commencer dans quelques jours l'exploration du crat\u00e8re Jezero\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blogs.futura-sciences.com\/frankel\/2021\/02\/19\/perseverance-sest-pose-sur-mars\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/frankel\/2021\/02\/19\/perseverance-sest-pose-sur-mars\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/mars2020-celebrate.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2021\/02\/mars2020-celebrate.jpg\",\"width\":879,\"height\":619,\"caption\":\"Adam Steltzner et l'\u00e9quipe de Perseverance au centre de contr\u00f4le JPL de la NASA, au moment de l'atterrissage. 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