{"id":894,"date":"2019-12-30T13:55:22","date_gmt":"2019-12-30T13:55:22","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/frankel\/?p=894"},"modified":"2020-03-24T15:40:36","modified_gmt":"2020-03-24T15:40:36","slug":"chine-le-retour","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/frankel\/2019\/12\/30\/chine-le-retour\/","title":{"rendered":"Chine\u00a0: le retour"},"content":{"rendered":"<p>Le 27 d\u00e9cembre 2019, la Chine a r\u00e9ussi le tir tr\u00e8s attendu de sa puissante fus\u00e9e Longue Marche\u00a05, qui a mis en orbite pour l\u2019occasion un gros satellite de t\u00e9l\u00e9communications en orbite g\u00e9ostationnaire. Le premier tir de la nouvelle fus\u00e9e avait eu lieu avec succ\u00e8s en novembre 2016, mais le second tir en juillet 2017 s\u2019\u00e9tait sold\u00e9 par un \u00e9chec, d\u00fb au dysfonctionnement d\u2019une turbopompe. Le programme a connu un retard de pr\u00e8s de deux ans, le temps de concevoir une nouvelle turbopompe\u00a0: ce troisi\u00e8me tir \u00e9tait donc crucial pour remettre le programme spatial chinois sur des rails.<\/p>\n<figure id=\"attachment_898\" aria-describedby=\"caption-attachment-898\" style=\"width: 879px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/mars-lander-rover-cnsa-xinhua.jpg\" rel=\"lightbox[894]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-898\" src=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/mars-lander-rover-cnsa-xinhua.jpg\" alt=\"\" width=\"879\" height=\"485\" srcset=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/mars-lander-rover-cnsa-xinhua.jpg 879w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/mars-lander-rover-cnsa-xinhua-450x248.jpg 450w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/mars-lander-rover-cnsa-xinhua-768x424.jpg 768w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/mars-lander-rover-cnsa-xinhua-672x372.jpg 672w\" sizes=\"auto, (max-width: 879px) 100vw, 879px\" \/><\/a><figcaption id=\"caption-attachment-898\" class=\"wp-caption-text\">La sonde chinoise Huoxing-1, dont le lancement vers Mars est pr\u00e9vu en juillet 2020.<\/figcaption><\/figure>\n<p>Gr\u00e2ce \u00e0 cette fus\u00e9e de 800 tonnes, du calibre d&#8217;Ariane 5 et du Falcon 9, la voie est d\u00e9sormais libre pour d&#8217;ambitieuses missions chinoises, \u00e0 commencer par le lancement en juillet\/ao\u00fbt 2020 de la sonde Huoxing-1 vers la plan\u00e8te Mars. Son module orbital survolera la plan\u00e8te rouge \u00e0 400\u00a0km d\u2019altitude, muni d\u2019une cam\u00e9ra \u00e0 haute r\u00e9solution (de type HiRise, 2\u00a0m de r\u00e9solution au sol), d\u2019une cam\u00e9ra de moyenne r\u00e9solution, d\u2019un spectrom\u00e8tre, d\u2019un magn\u00e9tom\u00e8tre et d\u2019un radar. Un module d\u2019atterrissage d\u00e9livrera pour sa part au sol un rover de 240\u00a0kg \u00e0 panneaux solaires \u2013du calibre des rovers am\u00e9ricains Spirit et Opportunity\u2013 qui sera muni de cam\u00e9ras, d\u2019un laser similaire \u00e0 celui du rover Curiosity, et d\u2019un radar pour sonder le sous-sol jusqu\u2019\u00e0 100\u00a0m de profondeur.<\/p>\n<figure id=\"attachment_899\" aria-describedby=\"caption-attachment-899\" style=\"width: 879px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/Mars-2020-landing-areas-China.jpg\" rel=\"lightbox[894]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-899\" src=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/Mars-2020-landing-areas-China.jpg\" alt=\"\" width=\"879\" height=\"504\" srcset=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/Mars-2020-landing-areas-China.jpg 879w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/Mars-2020-landing-areas-China-450x258.jpg 450w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/Mars-2020-landing-areas-China-768x440.jpg 768w\" sizes=\"auto, (max-width: 879px) 100vw, 879px\" \/><\/a><figcaption id=\"caption-attachment-899\" class=\"wp-caption-text\">Les deux sites finalistes (cadres bleus) de la sonde chinoise Huoxing-1.<\/figcaption><\/figure>\n<p>Deux sites d\u2019atterrissage sont en lice\u00a0: la r\u00e9gion de Chryse (o\u00f9 ont atterri par le pass\u00e9 Viking\u00a01 et Pathfinder), et la r\u00e9gion d\u2019Isidis Planitia, \u00e0 mi-chemin entre ceux de Viking 2 et de Curiosity.\u00a0Si le lancement de Huoxing-1 a bien lieu, 2020 sera un grand cru de l\u2019exploration martienne, puisque la sonde s\u2019\u00e9lancera en parall\u00e8le avec le rover Mars 2020 de la NASA et le rover ExoMars de l\u2019Agence Spatiale Europ\u00e9enne.<\/p>\n<figure id=\"attachment_900\" aria-describedby=\"caption-attachment-900\" style=\"width: 676px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/Chinese-new-spacecraft-CAST.jpg\" rel=\"lightbox[894]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-900\" src=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/Chinese-new-spacecraft-CAST.jpg\" alt=\"\" width=\"676\" height=\"422\" srcset=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/Chinese-new-spacecraft-CAST.jpg 676w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/Chinese-new-spacecraft-CAST-450x281.jpg 450w\" sizes=\"auto, (max-width: 676px) 100vw, 676px\" \/><\/a><figcaption id=\"caption-attachment-900\" class=\"wp-caption-text\">Le nouveau vaisseau spatial chinois, ici en cours d&#8217;int\u00e9gration sur son module de service, sera capable de convoyer 4 \u00e0 6 cosmonautes en orbite terrestre.<\/figcaption><\/figure>\n<p>Apr\u00e8s ce tir martien, la fus\u00e9e Longue Marche\u00a05 aura pour mission de lancer en orbite terrestre son nouveau vaisseau spatial habit\u00e9 qui prendra le relai de l\u2019ancien mod\u00e8le Shenzhou. En vol automatique pour ce premier test, l\u2019engin de 20 tonnes (module de service compris) pourra emporter quatre \u00e0 six astronautes vers la future station spatiale chinoise en 2021, ou bien plus tard\u2026 vers la Lune.<\/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>Le 27 d\u00e9cembre 2019, la Chine a r\u00e9ussi le tir tr\u00e8s attendu de sa puissante fus\u00e9e Longue Marche\u00a05, qui a mis en orbite pour l\u2019occasion un gros satellite de t\u00e9l\u00e9communications en orbite g\u00e9ostationnaire. Le premier tir de la nouvelle fus\u00e9e avait eu lieu avec succ\u00e8s en novembre 2016, mais le second tir en juillet 2017 &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/frankel\/2019\/12\/30\/chine-le-retour\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Chine\u00a0: le retour<\/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-894","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>Chine\u00a0: le retour - Carnets de bord d\u2019un martien, le blog de Charles FRANKEL, g\u00e9ologue<\/title>\n<meta name=\"description\" content=\"La Chine a lanc\u00e9 avec succ\u00e8s sa puissante fus\u00e9e Longue Marche\u00a05, ouvrant la voie au tir d&#039;une sonde vers Mars en 2020, et d&#039;un nouveau vaisseau pilot\u00e9.\" \/>\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\/2019\/12\/30\/chine-le-retour\/\" \/>\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\/2019\/12\/30\/chine-le-retour\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/frankel\/2019\/12\/30\/chine-le-retour\/\",\"name\":\"Chine\u00a0: le retour - 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\/2019\/12\/30\/chine-le-retour\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/frankel\/2019\/12\/30\/chine-le-retour\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/mars-lander-rover-cnsa-xinhua.jpg\",\"datePublished\":\"2019-12-30T13:55:22+00:00\",\"dateModified\":\"2020-03-24T15:40:36+00:00\",\"author\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/frankel\/#\/schema\/person\/c6bf521c6d19bf22fb19fb2b3d6fcf63\"},\"description\":\"La Chine a lanc\u00e9 avec succ\u00e8s sa puissante fus\u00e9e Longue Marche\u00a05, ouvrant la voie au tir d'une sonde vers Mars en 2020, et d'un nouveau vaisseau pilot\u00e9.\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blogs.futura-sciences.com\/frankel\/2019\/12\/30\/chine-le-retour\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/frankel\/2019\/12\/30\/chine-le-retour\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/mars-lander-rover-cnsa-xinhua.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2019\/12\/mars-lander-rover-cnsa-xinhua.jpg\",\"width\":879,\"height\":485,\"caption\":\"La sonde chinoise Huoxing-1, dont le lancement vers Mars est pr\u00e9vu en juillet 2020.\"},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/frankel\/#website\",\"url\":\"https:\/\/blogs.futura-sciences.com\/frankel\/\",\"name\":\"Carnets de bord d\u2019un martien, le blog de Charles FRANKEL, g\u00e9ologue\",\"description\":\"La science ? 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