{"id":149347,"date":"2025-07-17T21:52:12","date_gmt":"2025-07-17T21:52:12","guid":{"rendered":"https:\/\/toutinfo.net\/?p=149347"},"modified":"2025-07-17T21:52:14","modified_gmt":"2025-07-17T21:52:14","slug":"la-meteorite-provenant-de-mars-decouverte-a-agadez-vendue-5-millions-de-dollars-a-new-york","status":"publish","type":"post","link":"https:\/\/toutinfo.net\/?p=149347","title":{"rendered":"La m\u00e9t\u00e9orite provenant de Mars d\u00e9couverte \u00e0 Agadez vendue 5 millions de dollars \u00e0 New York"},"content":{"rendered":"\n<p>C&rsquo;est un morceau de&nbsp;<strong><a href=\"https:\/\/www.rfi.fr\/fr\/tag\/mars\/\">Mars<\/a>&nbsp;<\/strong>\u00ab&nbsp;<em>incroyablement rare<\/em>&nbsp;\u00bb, de la taille d&rsquo;un ballon de football, qui a trouv\u00e9 preneur lors d&rsquo;une vente aux ench\u00e8re mercredi \u00e0 New York. La m\u00e9t\u00e9orite a \u00e9t\u00e9 vendue 5 millions de dollars taxes comprises, deux ans apr\u00e8s sa d\u00e9couverte par un chasseur de m\u00e9t\u00e9orite chanceux \u00e0 Agadez, au&nbsp;<strong><a href=\"https:\/\/www.rfi.fr\/fr\/tag\/niger\/\">Niger<\/a><\/strong>.<\/p>\n\n\n\n<p>Apr\u00e8s sa d\u00e9couverte, la m\u00e9t\u00e9orite est pass\u00e9e par le Mus\u00e9e d&rsquo;astronomie de Shangai, pour identification. Ce grand bloc rocheux, surnomm\u00e9 NWA 16 788 par les sp\u00e9cialistes, est une \u00ab&nbsp;<em>shergottite \u00e0 olivine-microgabbro\u00efque<\/em>&nbsp;\u00bb. Comprenez un type de roche form\u00e9e par le lent refroidissement du magma martien. On ne conna\u00eet pas exactement sa date d&rsquo;arriv\u00e9e sur Terre, mais au vu de son \u00e9tat de conservation, les sp\u00e9cialistes estiment qu&rsquo;elle date d&rsquo;il y a quelques ann\u00e9es.<\/p>\n\n\n\n<p>Quant \u00e0 son origine, il s&rsquo;agirait du r\u00e9sultat d&rsquo;un choc d&rsquo;un ast\u00e9ro\u00efde qui aurait percut\u00e9 avec force la plan\u00e8te Mars, envoyant un fragment de celle-ci dans l&rsquo;espace. \u00c0 la fin d&rsquo;un voyage dans le temps et l&rsquo;espace de plus de 62,1 millions de kilom\u00e8tres, la m\u00e9t\u00e9orite s&rsquo;est \u00e9cras\u00e9e en plein Sahara, au Niger.&nbsp;Apr\u00e8s avoir \u00e9t\u00e9 expos\u00e9 \u00e0 l&rsquo;Agence spatiale italienne \u00e0 Rome, puis dans une galerie priv\u00e9e \u00e0 Arezzo en Toscane, le fragment a atterri au sein de la maison d&rsquo;ench\u00e8re Sotheby&rsquo;s avant de finir sa course dans les mains d&rsquo;un acheteur anonyme.<\/p>\n\n\n\n<p><strong>RFI<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C&rsquo;est un morceau de&nbsp;Mars&nbsp;\u00ab&nbsp;incroyablement rare&nbsp;\u00bb, de la taille d&rsquo;un ballon de football, qui a trouv\u00e9 preneur lors d&rsquo;une vente aux<\/p>\n","protected":false},"author":16,"featured_media":149351,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[6],"tags":[],"class_list":["post-149347","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-international"],"_links":{"self":[{"href":"https:\/\/toutinfo.net\/index.php?rest_route=\/wp\/v2\/posts\/149347","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/toutinfo.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/toutinfo.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/toutinfo.net\/index.php?rest_route=\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/toutinfo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=149347"}],"version-history":[{"count":1,"href":"https:\/\/toutinfo.net\/index.php?rest_route=\/wp\/v2\/posts\/149347\/revisions"}],"predecessor-version":[{"id":149353,"href":"https:\/\/toutinfo.net\/index.php?rest_route=\/wp\/v2\/posts\/149347\/revisions\/149353"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/toutinfo.net\/index.php?rest_route=\/wp\/v2\/media\/149351"}],"wp:attachment":[{"href":"https:\/\/toutinfo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=149347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/toutinfo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=149347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/toutinfo.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=149347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}