{"id":248,"date":"2021-03-21T10:04:46","date_gmt":"2021-03-21T07:04:46","guid":{"rendered":"https:\/\/planeta21vek.ru\/fr\/?p=248"},"modified":"2025-11-20T11:39:44","modified_gmt":"2025-11-20T08:39:44","slug":"na-asteroide-nashli-zizn","status":"publish","type":"post","link":"https:\/\/planeta21vek.ru\/fr\/2021\/03\/21\/na-asteroide-nashli-zizn\/","title":{"rendered":"Preuve de la possibilit\u00e9 d&rsquo;une origine extraterrestre de la vie trouv\u00e9e sur un ast\u00e9ro\u00efde"},"content":{"rendered":"<p style=\"text-align: justify;\">Des substances organiques ont \u00e9t\u00e9 d\u00e9couvertes sur un ast\u00e9ro\u00efde rocheux de classe S. C&rsquo;est cette classe d&rsquo;ast\u00e9ro\u00efdes qui tombe le plus souvent sur Terre.<\/p>\n<p><!--more--><\/p>\n<p style=\"text-align: justify;\">Les mati\u00e8res organiques ont \u00e9t\u00e9 obtenues \u00e0 partir d\u2019\u00e9chantillons de l\u2019ast\u00e9ro\u00efde Itokawa pr\u00e9lev\u00e9s par la mission Hayabusa en 2010, rapporte nature.com. Les scientifiques de l&rsquo;Universit\u00e9 Royal Hollway de Londres les ont \u00e9tudi\u00e9s en d\u00e9tail et sont parvenus \u00e0 un verdict unanime : la mati\u00e8re organique primitive s&rsquo;est retrouv\u00e9e sur l&rsquo;ast\u00e9ro\u00efde apr\u00e8s son chauffage. De plus, sur l\u2019ast\u00e9ro\u00efde lui-m\u00eame, la transformation et l\u2019\u00e9volution chimique de la mati\u00e8re organique se sont d\u00e9roul\u00e9es sans la pr\u00e9sence d\u2019atmosph\u00e8re ; L&rsquo;eau sur l&rsquo;ast\u00e9ro\u00efde est apparue \u00e0 la suite de la chute de m\u00e9t\u00e9orites riches en carbone.<\/p>\n<blockquote><p>Les scientifiques affirment \u00e9galement que les mati\u00e8res organiques sont caract\u00e9ristiques des ast\u00e9ro\u00efdes carbon\u00e9s de classe C.<\/p>\n<p>Des d\u00e9couvertes r\u00e9centes d\u00e9montrent que dans l&rsquo;espace il existe de nombreuses substances \u00e0 l&rsquo;origine de la vie ; tout est ensemenc\u00e9 de mati\u00e8re organique, y compris les ast\u00e9ro\u00efdes rocheux sans vie.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Des substances organiques ont \u00e9t\u00e9 d\u00e9couvertes sur un ast\u00e9ro\u00efde rocheux de classe S. C&rsquo;est cette classe d&rsquo;ast\u00e9ro\u00efdes qui tombe le plus souvent sur Terre.<\/p>\n","protected":false},"author":1,"featured_media":249,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[40,537],"tags":[313,358],"class_list":{"0":"post-248","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-kosmos","8":"category-orbita","9":"tag-asteroide","10":"tag-produits-biologiques"},"_links":{"self":[{"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/posts\/248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/comments?post=248"}],"version-history":[{"count":5,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/posts\/248\/revisions"}],"predecessor-version":[{"id":1146,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/posts\/248\/revisions\/1146"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/media\/249"}],"wp:attachment":[{"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/media?parent=248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/categories?post=248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/tags?post=248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}