{"id":66009,"date":"2021-10-17T17:32:31","date_gmt":"2021-10-17T17:32:31","guid":{"rendered":""},"modified":"2021-10-17T17:32:31","modified_gmt":"2021-10-17T17:32:31","slug":"dans-le-desert-israelien-des-astronautes-simulent-la-vie-sur-mars","status":"publish","type":"post","link":"https:\/\/harissa.com\/news-wp\/dans-le-desert-israelien-des-astronautes-simulent-la-vie-sur-mars\/","title":{"rendered":"Dans le d\u00e9sert isra\u00e9lien, des astronautes simulent la \u00ab\u00a0vie sur Mars\u00a0\u00bb"},"content":{"rendered":"<p>Dans le d\u00e9sert isra\u00e9lien, des astronautes simulent la \u00ab\u00a0vie sur Mars\u00a0\u00bb<\/p>\n<p>\nDans un crat\u00e8re de 500 m\u00e8tres de profondeur perdu dans l&rsquo;\u00e9tendue ocre du d\u00e9sert du N\u00e9guev, les astronautes \u00e9quip\u00e9s de leurs combinaisons avancent d&rsquo;un pas lourd. But de leur mission? Simuler dans le sud isra\u00e9lien les conditions de la vie sur Mars.<\/p>\n<p>Publi\u00e9 dans Geo<\/p>\n<p>Dans ce d\u00e9cor singulier du Makhtesh Ramon, plus grand crat\u00e8re d&rsquo;\u00e9rosion du monde qui s&rsquo;\u00e9tire sur 40 km de long, le Forum spatial autrichien (OeWF) a plant\u00e9 une \u00ab\u00a0base martienne\u00a0\u00bb, en partenariat avec l&rsquo;agence spatiale isra\u00e9lienne, dans le cadre de leur mission Amadee-20, pr\u00e9vue initialement l&rsquo;an dernier mais report\u00e9e d&rsquo;un an en raison de la pand\u00e9mie de Covid-19.<\/p>\n<p>Le crat\u00e8re, le d\u00e9sert caillouteux et les teintes orang\u00e9es de l&rsquo;horizon se rapprochent du paysage martien, l&rsquo;apesanteur et le froid en moins. \u00ab\u00a0Ici nous avons des temp\u00e9ratures qui sont de 25-30 degr\u00e9s, sur Mars il fait moins 60 degr\u00e9s Celsius et l&rsquo;atmosph\u00e8re est irrespirable\u00a0\u00bb, explique l&rsquo;Autrichien Gernot Gr\u00f6mer, qui supervise la mission.<\/p>\n<p>Pendant presque un mois et jusqu&rsquo;\u00e0 fin octobre, six \u00ab\u00a0astronautes analogues\u00a0\u00bb &#8211; expression utilis\u00e9e pour d\u00e9crire les personnes reproduisant sur Terre les conditions de longue mission dans l&rsquo;espace &#8211; originaires du Portugal, d&rsquo;Espagne, d&rsquo;Allemagne, des Pays-Bas, d&rsquo;Autriche et d&rsquo;Isra\u00ebl, vont vivre coup\u00e9s du monde dans cette \u00ab\u00a0station martienne\u00a0\u00bb. Et ils ne pourront en sortir qu&rsquo;en scaphandre, comme s&rsquo;ils \u00e9taient sur la plan\u00e8te rouge.<\/p>\n<p>\u00ab\u00a0C&rsquo;est un r\u00eave qui se r\u00e9alise\u00a0\u00bb, s&rsquo;extasie Alon Tenzer, astronaute isra\u00e9lien de 36 ans. \u00ab\u00a0C&rsquo;est quelque chose sur lequel on travaille depuis plusieurs ann\u00e9es, je suis tr\u00e8s heureux d&rsquo;\u00eatre ici\u00a0\u00bb, confie-t-il \u00e0 l&rsquo;AFP.<\/p>\n<p>A l&rsquo;occasion de l&rsquo;inauguration de la station dimanche, Alon a rev\u00eatu ses plus beaux atours: sa combinaison argent\u00e9e p\u00e8se, souligne-t-il, environ 50 kilos, et prend deux \u00e0 trois heures \u00e0 enfiler.<\/p>\n<p><strong>\u00ab\u00a0Mariage\u00a0\u00bb avec Mars<\/strong><\/p>\n<p>Tous les membres de \u00ab\u00a0l&rsquo;\u00e9quipage\u00a0\u00bb se sont port\u00e9s volontaires. Mais ils ont d\u00fb passer de nombreux tests physiques et psychologiques pour participer \u00e0 cette mission et mener \u00e0 bien toute une s\u00e9rie d&rsquo;exp\u00e9riences.<\/p>\n<p>\u00ab\u00a0Mon p\u00e8re m&#8217;emmenait au mus\u00e9e de l&rsquo;espace quand j\u2019\u00e9tais petite, il collectionnait les avions et quand j&rsquo;ai su que le forum recherchait des astronautes analogues je me suis dit qu&rsquo;il fallait que je postule\u00a0\u00bb, raconte l&rsquo;Allemande Anika Mehlis, la seule femme du groupe.<\/p>\n<p>Le Forum spatial autrichien, organisation priv\u00e9e regroupant des sp\u00e9cialistes de l&rsquo;a\u00e9rospatiale, avait d\u00e9j\u00e0 organis\u00e9 12 missions similaires dans le monde dont la derni\u00e8re, Amadee-18, dans le sultanat d&rsquo;Oman il y a trois ans. Cette fois, il s&rsquo;est alli\u00e9 avec le centre de recherche isra\u00e9lien D-MARS, pour construire une base en forme de polygone et aliment\u00e9e en \u00e9nergie solaire.<\/p>\n<p>A l&rsquo;int\u00e9rieur, le confort est spartiate avec une petite cuisine et des lits superpos\u00e9s car l&rsquo;essentiel de l&rsquo;espace est r\u00e9serv\u00e9 aux exp\u00e9riences scientifiques. Leurs r\u00e9sultats pourraient s&rsquo;av\u00e9rer un jour essentiels, l&rsquo;agence spatiale am\u00e9ricaine, la Nasa, envisageant une premi\u00e8re mission habit\u00e9e sur Mars dans les ann\u00e9es 2030.<\/p>\n<p><strong>Risque de contamination microbienne<\/strong><\/p>\n<p>Pendant leur mois \u00e0 recr\u00e9er Mars sur Terre, les astronautes analogues devront tester un prototype de drone fonctionnant sans GPS et des v\u00e9hicules autonomes propuls\u00e9s par le vent et l&rsquo;\u00e9nergie solaire pour cartographier le territoire.<\/p>\n<p>Microbiologiste de formation, Anika Mehlis \u00e9valuera, elle, la possibilit\u00e9 de contamination microbienne, c&rsquo;est-\u00e0-dire d&rsquo;introduire sur Mars des bact\u00e9ries terrestres avec le risque d&rsquo;\u00e9liminer toute vie qui pourrait s&rsquo;y trouver. \u00ab\u00a0Ce sera un gros probl\u00e8me\u00a0\u00bb, affirme-t-elle, effleurant un des d\u00e9fis majeurs de la conqu\u00eate spatiale.<\/p>\n<p>Outre tester des \u00e9quipements et des technologies, la mission vise aussi \u00e0 \u00e9tudier les comportements humains, et notamment l&rsquo;impact de l&rsquo;isolement sur les astronautes.<\/p>\n<p>\u00ab\u00a0La coh\u00e9rence du groupe et la capacit\u00e9 \u00e0 travailler ensemble est cruciale pour survivre sur Mars\u00a0\u00bb, estime le superviseur Gernot Gr\u00f6mer. \u00ab\u00a0C&rsquo;est comme dans un mariage \u00e0 part que dans un mariage, vous pouvez partir, sur Mars vous ne pouvez pas\u00a0\u00bb, ironise-t-il.<\/p>\n<p>\u00ab\u00a0Ce que nous faisons ici, c&rsquo;est pr\u00e9parer le plus grand voyage que notre soci\u00e9t\u00e9 ait jamais fait, Mars et la Terre \u00e9tant situ\u00e9es \u00e0 380 millions de kilom\u00e8tres en leurs points les plus extr\u00eames\u00a0\u00bb, poursuit-il. M. Gr\u00f6mer en est certain : \u00ab\u00a0le premier Homme qui marchera sur Mars est d\u00e9j\u00e0 n\u00e9\u00a0\u00bb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans le d\u00e9sert isra\u00e9lien, des astronautes simulent la \u00ab\u00a0vie sur Mars\u00a0\u00bb Dans un crat\u00e8re de 500 m\u00e8tres de profondeur perdu dans l&rsquo;\u00e9tendue ocre du d\u00e9sert du N\u00e9guev, les astronautes \u00e9quip\u00e9s de leurs combinaisons avancent d&rsquo;un pas lourd. But de leur mission? Simuler dans le sud isra\u00e9lien les conditions de la vie sur Mars. Publi\u00e9 dans&hellip;&nbsp;<\/p>\n","protected":false},"author":1,"featured_media":66010,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-66009","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dans le d\u00e9sert isra\u00e9lien, des astronautes simulent la &quot;vie sur Mars&quot; | HARISSA.COM<\/title>\n<meta name=\"description\" content=\"Dans le d\u00e9sert isra\u00e9lien, des astronautes simulent la 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