{"id":207119,"date":"2026-10-31T20:08:00","date_gmt":"2026-10-31T19:08:00","guid":{"rendered":"https:\/\/cms-articles.softonic.io\/fr\/?p=207119"},"modified":"2026-10-31T20:10:08","modified_gmt":"2026-10-31T19:10:08","slug":"la-nasa-met-fin-a-chapea-2-378-jours-disolement-pour-simuler-mars","status":"publish","type":"post","link":"https:\/\/cms-articles.softonic.io\/fr\/la-nasa-met-fin-a-chapea-2-378-jours-disolement-pour-simuler-mars\/","title":{"rendered":"La NASA met fin \u00e0 CHAPEA 2 : 378 jours d\u2019isolement pour simuler Mars"},"content":{"rendered":"<p class=\"wp-block-paragraph\">La NASA a officiellement mis un terme, ce <strong>31 octobre 2026<\/strong>, \u00e0 CHAPEA 2, la deuxi\u00e8me mission Crew Health and Performance Exploration Analog. Cette <a href=\"https:\/\/fr.softonic.com\/telechargements\/Simulation%20de%20vie%20gratuite\" rel=\"noopener\">simulation de vie sur Mars<\/a> s\u2019est d\u00e9roul\u00e9e pendant 378 jours d\u2019affil\u00e9e au Johnson Space Center, \u00e0 Houston, a indiqu\u00e9 l\u2019agence spatiale am\u00e9ricaine.<\/p>\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/2cddcc48-a4d6-11e6-88af-00163ec9f5fa\/291579189\/nasa-app-icon.webp\" alt=\"NASA App\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">NASA App<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/nasa-app.fr.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\">T\u00e9l\u00e9charger<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        \r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/nasa-app.fr.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Quatre volontaires ont v\u00e9cu coup\u00e9s du monde dans un habitat martien reconstitu\u00e9, avec l\u2019id\u00e9e de se rapprocher au plus pr\u00e8s des contraintes qu\u2019impliquerait un voyage humain vers la plan\u00e8te rouge, pr\u00e9cise la NASA.<\/p>\n\n<p class=\"wp-block-paragraph\">L\u2019exp\u00e9rience, baptis\u00e9e Crew Health and Performance Exploration Analog, s\u2019inscrit dans le travail de pr\u00e9paration des <a href=\"https:\/\/fr.softonic.com\/articles\/tout-ce-que-vous-devez-savoir-sur-artemis-ii-aujourdhui-nous-retournons-sur-la-lune\" rel=\"noopener\">futures missions habit\u00e9es<\/a> de l\u2019agence.<\/p>\n\n<p class=\"wp-block-paragraph\">Car l\u2019enjeu ne se r\u00e9sume pas \u00e0 tenir dans la dur\u00e9e. CHAPEA doit surtout apporter des <strong>donn\u00e9es tr\u00e8s concr\u00e8tes<\/strong> sur la sant\u00e9, le comportement et les performances d\u2019un \u00e9quipage isol\u00e9 au cours d\u2019une mission longue, selon la NASA.<\/p>\n\n<p class=\"wp-block-paragraph\">Les quatre membres de l\u2019\u00e9quipage \u00e9taient entr\u00e9s dans l\u2019habitat le <strong>19 octobre 2025<\/strong>, toujours au Johnson Space Center de Houston, rappelle l\u2019agence.<\/p>\n\n<p class=\"wp-block-paragraph\">Pendant plus d\u2019un an, Ross Elder, commandant de mission, Matthew Montgomery, officier scientifique, Ellen Ellis, m\u00e9decin de bord, et James Spicer, ing\u00e9nieur de vol, ont v\u00e9cu dans un espace imprim\u00e9 en 3D d\u2019environ <strong>158 m\u00e8tres carr\u00e9s<\/strong>, pens\u00e9 pour reproduire les conditions d\u2019une base martienne, d\u2019apr\u00e8s la NASA.<\/p>\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/fda580f8-9524-11e6-97ef-00163ec9f5fa\/1867192541\/stellarium-icon.jpg\" alt=\"Stellarium\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">Stellarium<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/stellarium.fr.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\">T\u00e9l\u00e9charger<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        \r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/stellarium.fr.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Leur quotidien suivait le rythme classique d\u2019une mission habit\u00e9e: entretien du module, exercices physiques, op\u00e9rations robotiques, sorties extrav\u00e9hiculaires simul\u00e9es et culture de plantes, notamment des poivrons et des tomates, d\u00e9taille la NASA.<\/p>\n\n<p class=\"wp-block-paragraph\">Mais l\u2019exp\u00e9rience ne consistait pas seulement \u00e0 \u00ab vivre dans une capsule \u00bb. Pour \u00e9prouver la r\u00e9sistance mentale et la capacit\u00e9 op\u00e9rationnelle du groupe, la NASA a impos\u00e9 des <strong>ressources limit\u00e9es<\/strong>, un isolement prolong\u00e9, des pannes d\u2019\u00e9quipement, des d\u00e9lais de communication pouvant atteindre 22 minutes, ainsi qu\u2019une panne radio simul\u00e9e de deux semaines.<\/p>\n\n<p class=\"wp-block-paragraph\">CHAPEA s\u2019inscrit dans une strat\u00e9gie plus large: comprendre comment un \u00e9quipage r\u00e9agit lorsqu\u2019il se retrouve coup\u00e9 du monde, d\u00e9pend enti\u00e8rement d\u2019un habitat ferm\u00e9 et ne peut compter sur aucune aide imm\u00e9diate venue de la Terre, selon la NASA.<\/p>\n\n<p class=\"wp-block-paragraph\">Les le\u00e7ons tir\u00e9es de cette mission doivent servir aussi bien aux <a href=\"https:\/\/fr.softonic.com\/articles\/mauvaises-nouvelles-de-la-nasa-ils-reportent-a-nouveau-la-mission-de-retour-sur-la-lune\" rel=\"noopener\">programmes lunaires<\/a> qu\u2019aux futures exp\u00e9ditions habit\u00e9es vers Mars, o\u00f9 la distance exclura toute intervention rapide. Le vrai probl\u00e8me est l\u00e0: garder des humains en bonne sant\u00e9, physiquement comme psychologiquement, pendant des mois, parfois plus d\u2019un an, sans faire baisser leur niveau d\u2019efficacit\u00e9 op\u00e9rationnelle.<\/p>\n\n<p class=\"wp-block-paragraph\">CHAPEA 2 est la <strong>deuxi\u00e8me<\/strong> des trois simulations martiennes d\u2019un an pr\u00e9vues par la NASA.<\/p>\n\n<p class=\"wp-block-paragraph\">Une troisi\u00e8me mission est d\u00e9j\u00e0 pr\u00e9vue dans la suite du programme. En parall\u00e8le, la NASA recrute aussi pour une nouvelle mission analogue consacr\u00e9e \u00e0 l\u2019exploration de la Lune et de Mars, qui ne devrait pas commencer avant <strong>ao\u00fbt 2027<\/strong>. Pour le grand public, la sortie de l\u2019\u00e9quipage devait \u00eatre diffus\u00e9e en direct \u00e0 partir de 15 heures, heure de l\u2019Est, sur <a href=\"https:\/\/youtube-ps-vr-ps4.fr.softonic.com\/\" rel=\"noopener\">YouTube<\/a> et sur les r\u00e9seaux sociaux de la NASA. Un moment symbolique, bien s\u00fbr, mais surtout la fin d\u2019un test d\u00e9cisif si l\u2019on veut faire passer les ambitions martiennes du r\u00eave \u00e0 un plan de mission cr\u00e9dible.<\/p>","protected":false},"excerpt":{"rendered":"<p>La NASA a officiellement mis un terme, ce 31 octobre 2026, \u00e0 CHAPEA 2, la deuxi\u00e8me mission Crew Health and Performance Exploration Analog. Cette simulation de vie sur Mars s\u2019est d\u00e9roul\u00e9e pendant 378 jours d\u2019affil\u00e9e au Johnson Space Center, \u00e0 Houston, a indiqu\u00e9 l\u2019agence spatiale am\u00e9ricaine. Quatre volontaires ont v\u00e9cu coup\u00e9s du monde dans un &hellip; <a href=\"https:\/\/cms-articles.softonic.io\/fr\/la-nasa-met-fin-a-chapea-2-378-jours-disolement-pour-simuler-mars\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;La NASA met fin \u00e0 CHAPEA 2 : 378 jours d\u2019isolement pour simuler Mars&#8221;<\/span><\/a><\/p>\n","protected":false},"author":9265,"featured_media":207118,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","wpcf-pageviews":0},"categories":[16761],"tags":[],"usertag":[],"vertical":[],"content-category":[],"class_list":["post-207119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"La NASA a officiellement mis un terme, ce 31 octobre 2026, \u00e0 CHAPEA 2, la deuxi\u00e8me mission Crew Health and Performance Exploration Analog. 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