{"id":381100,"date":"2025-09-10T20:37:12","date_gmt":"2025-09-10T20:37:12","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/381100\/"},"modified":"2025-09-10T20:37:12","modified_gmt":"2025-09-10T20:37:12","slug":"la-nasa-pense-avoir-detecte-danciennes-traces-de-vie-sur-mars","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/381100\/","title":{"rendered":"la NASA pense avoir d\u00e9tect\u00e9 d&rsquo;anciennes traces de vie sur Mars"},"content":{"rendered":"<p class=\"mb-4 text-lg md:leading-8 break-words\">C\u2019est une nouvelle qui pourrait r\u00e9volutionner notre conception du Syst\u00e8me solaire et de la vie en g\u00e9n\u00e9ral. Lors d\u2019une conf\u00e9rence de presse ce mercredi, la NASA a annonc\u00e9, par la voix de son administrateur associ\u00e9 Nick Fox, que le rover Perseverance a identifi\u00e9 des indices potentiels de vie tr\u00e8s ancienne dans une roche situ\u00e9e dans le crat\u00e8re Jezero.<\/p>\n<p class=\"mb-4 text-lg md:leading-8 break-words\">Ces traces caract\u00e9ristiques, surnomm\u00e9es \u00ab graines de pavot \u00bb o\u00f9 \u00ab taches de l\u00e9opard \u00bb, ont \u00e9t\u00e9 rep\u00e9r\u00e9es dans des roches boueuses dans la vall\u00e9e de Neretva, une partie du crat\u00e8re Jezero o\u00f9 coulait une rivi\u00e8re il y a plusieurs milliards d\u2019ann\u00e9es.<\/p>\n<p><img alt=\"\" loading=\"lazy\" width=\"960\" height=\"540\" decoding=\"async\" data-nimg=\"1\" class=\"rounded-lg\" style=\"color:transparent\" src=\"https:\/\/www.europesays.com\/fr\/wp-content\/uploads\/2025\/09\/656dbc05245b306a02184bddf61fa7d5.jpeg\"\/><\/p>\n<p class=\"mb-4 text-lg md:leading-8 break-words\">Cette d\u00e9couverte \u00ab pourrait indiquer que, il y a des milliards d\u2019ann\u00e9es, les r\u00e9actions chimiques dans cette roche auraient pu attester de la pr\u00e9sence vie microbienne \u00bb. Ces taches, associ\u00e9es \u00e0 des d\u00e9p\u00f4ts de min\u00e9raux et des mol\u00e9cules organiques, sont consid\u00e9r\u00e9es comme des signes tr\u00e8s prometteurs, bien que d\u2019autres explications soient envisag\u00e9es.<\/p>\n<p class=\"mb-4 text-lg md:leading-8 break-words\">La NASA pr\u00e9cise : \u00ab Ces d\u00e9couvertes ne sont pas une preuve d\u00e9finitive de vie, mais elles repr\u00e9sentent le signe le plus convaincant \u00e0 ce jour \u00bb. Le rover explore cette zone depuis 2021, pers\u00e9v\u00e9rance tr\u00e8s bien r\u00e9compens\u00e9e.<\/p>\n<p class=\"mb-4 text-lg md:leading-8 break-words\"><a data-i13n=\"cpos:1;pos:1\" href=\"https:\/\/www.parismatch.com\/actu\/sciences\/le-signe-le-plus-convaincant-a-ce-jour-la-nasa-pense-avoir-detecte-des-traces-de-vie-sur-mars-256864?at_medium=affiliate&amp;at_campaign=Yahoo\" rel=\"nofollow noopener\" target=\"_blank\" data-ylk=\"slk:Retrouvez cet article sur ParisMatch;cpos:1;pos:1;elm:context_link;itc:0;sec:content-canvas\" class=\"link \">Retrouvez cet article sur ParisMatch<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"C\u2019est une nouvelle qui pourrait r\u00e9volutionner notre conception du Syst\u00e8me solaire et de la vie en g\u00e9n\u00e9ral. Lors&hellip;\n","protected":false},"author":2,"featured_media":381101,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[1153,1011,27,51435,27239,51434,43,40,41,39,24901,42,44],"class_list":{"0":"post-381100","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sciences-et-technologies","8":"tag-conference-de-presse","9":"tag-fr","10":"tag-france","11":"tag-graines-de-pavot","12":"tag-la-nasa","13":"tag-le-cratere","14":"tag-science","15":"tag-science-and-technology","16":"tag-sciences","17":"tag-sciences-et-technologies","18":"tag-systeme-solaire","19":"tag-technologies","20":"tag-technology"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fr\/115181928261528317","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/381100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=381100"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/381100\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/381101"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=381100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=381100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=381100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}