{"id":28387,"date":"2021-07-13T07:16:37","date_gmt":"2021-07-13T11:16:37","guid":{"rendered":"https:\/\/antilla-martinique.com\/?p=28387"},"modified":"2021-07-13T07:16:37","modified_gmt":"2021-07-13T11:16:37","slug":"la-nasa-part-a-la-recherche-des-megastructures-extraterrestres","status":"publish","type":"post","link":"https:\/\/antilla-martinique.com\/en\/la-nasa-part-a-la-recherche-des-megastructures-extraterrestres\/","title":{"rendered":"La NASA part \u00e0 la recherche des m\u00e9gastructures extraterrestres"},"content":{"rendered":"<div class=\"article-content-container\">\n<div class=\"col-md-12 aside-container\">\n<article>\n<h1><\/h1>\n<p><span class=\"publication\"><span id=\"publisher\" data-source=\"Paris Match\">Paris Match.\u00a0<\/span><\/span><\/p>\n<figure class=\"clear_fix landscape_image\"><span class=\"icon-Zoom\" data-toggle=\"modal\" data-target=\"#myModal\"><img decoding=\"async\" class=\"container-slideshow img-responsive\" title=\"Repr\u00e9sentation d'artiste d'une sph\u00e8re de Dyson, une m\u00e9gastructure capable de capter l'\u00e9nergie d'une \u00e9toile. \" src=\"https:\/\/resize-parismatch.lanmedia.fr\/r\/625,417,forcex,center-middle\/img\/var\/news\/storage\/images\/paris-match\/actu\/sciences\/la-nasa-part-a-la-recherche-des-megastructures-extraterrestres-1747757\/28782595-1-fre-FR\/La-NASA-part-a-la-recherche-des-megastructures-extraterrestres.jpg\" alt=\"Repr\u00e9sentation d'artiste d'une sph\u00e8re de Dyson, une m\u00e9gastructure capable de capter l'\u00e9nergie d'une \u00e9toile. \" \/><\/span><figcaption>\n<div class=\"desc\">Repr\u00e9sentation d&rsquo;artiste d&rsquo;une sph\u00e8re de Dyson, une m\u00e9gastructure capable de capter l&rsquo;\u00e9nergie d&rsquo;une \u00e9toile. SENTIENTDEVELOPMENTS.COM.<\/div>\n<\/figcaption><\/figure>\n<section class=\"content\">\n<p class=\"entete\">La NASA franchit une nouvelle \u00e9tape dans la recherche d&rsquo;une vie extraterrestre en finan\u00e7ant la d\u00e9tection de m\u00e9gastructures construites par des civilisations avanc\u00e9es.<\/p>\n<div id=\"contentArticle\" class=\"cnt\" data-poool=\"80\" data-poool-mode=\"hide\">\n<p>Depuis des d\u00e9cennies, le programme SETI (Search for Extra-Terrestrial Intelligence) tend ses grandes oreilles vers les profondeurs de l\u2019univers dans l\u2019espoir de capter des signaux qui prouveraient que l\u2019espace infini abrite d\u2019autres formes de vie intelligentes que <a href=\"https:\/\/www.parismatch.com\/Actu\/Sciences\/Virgin-Galactic-Richard-decollage-vol-espace-photos-1747437\" target=\"_self\" rel=\"noopener\">Richard Branson<\/a> and <a href=\"https:\/\/www.parismatch.com\/Actu\/Sciences\/Wally-Funk-82-ans-s-envolera-avec-Jeff-Bezos-dans-l-espace-le-20-juillet-1745726\" target=\"_self\" rel=\"noopener\">Jeff Bezos<\/a>. Sans grand succ\u00e8s jusqu\u2019\u00e0 pr\u00e9sent. Mais la NASA a d\u00e9cid\u00e9 de financer un nouveau type de recherche, qui nous plonge dans la science-fiction la plus \u00e9chevel\u00e9e : la d\u00e9tection de \u00abtechno-signatures\u00bb sous la forme de m\u00e9gastructures.<\/p>\n<div id=\"match2_frl_1\">\n<div id=\"div_utif_match2_frl_1\">\n<p>&nbsp;<\/p>\n<div id=\"asmobj_708429\" class=\"asmbeacon asmdivouter\">\n<div id=\"asmobj_708429div\" class=\"asmbeacon asmdiv\">\n<div id=\"adspiritflash6835358_scrolldivouter\" class=\"asmbeacon\">\n<div id=\"adspiritflash6835358_scrolldiv\" class=\"asmbeacon asmscroller\">\n<div id=\"\" class=\"asmbeacon asmb3\"><img decoding=\"async\" class=\"asmbeacon\" 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alt=\"\" width=\"1\" height=\"1\" border=\"0\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<p>La NASA a d\u2019ores et d\u00e9j\u00e0 attribu\u00e9 quatre bourses \u00e0 des projets de surveillance du ciel afin de d\u00e9tecter des objets artificiels massifs. En novembre 2020, Ann Marie Cody, de l\u2019Ames Research Center, un organisme d\u00e9pendant de l\u2019Agence Spatiale am\u00e9ricaine, a re\u00e7u des fonds sp\u00e9cifiques pour traquer les anomalies pouvant indiquer la pr\u00e9sence de gigantesques structures construites par des civilisations tr\u00e8s avanc\u00e9es. Les m\u00e9thodes utilis\u00e9es pour rep\u00e9rer ces \u00abbizarreries\u00bb, selon le terme d\u2019Ann Marie Cody, s\u2019apparentent \u00e0 celles permettant de d\u00e9tecter des exoplan\u00e8tes, \u00e0 savoir des variations inexpliqu\u00e9es dans la lumi\u00e8re \u00e9mise par une \u00e9toile, laissant supposer qu\u2019un objet \u00e9norme interf\u00e8re. La difficult\u00e9 consiste moins \u00e0 rep\u00e9rer ces variations lumineuses qui se comptent par millions qu\u2019\u00e0 s\u00e9lectionner les plus \u00e9tranges, et donc les plus prometteuses. L\u2019\u00e9quipe Ann Marie Cody d\u00e9veloppe des algorithmes charg\u00e9s d\u2019effectuer ce tri pr\u00e9alable afin de se concentrer sur les anomalies significatives comme par exemple <a href=\"https:\/\/www.parismatch.com\/Actu\/Sciences\/On-sait-enfin-ce-qu-il-se-cache-derriere-la-mysterieuse-etoile-Tabby-1431692\" target=\"_self\" rel=\"noopener\">l\u2019\u00e9toile de Tabby<\/a> dont la luminosit\u00e9 changeante a longtemps intriqu\u00e9 les astrophysiciens.<\/p>\n<p>Mais que pourraient \u00eatre ces m\u00e9gastructures ? Parmi ces constructions titanesques, la plus populaire imagin\u00e9es par les scientifiques serait une sph\u00e8re de Dyson. Il s\u2019agit d\u2019une plan\u00e8te artificielle et creuse capable de capter l\u2019\u00e9nergie d\u2019une \u00e9toile pour alimenter une civilisation tout enti\u00e8re. D\u2019autres m\u00e9gastructures sont envisag\u00e9es comme des ast\u00e9ro\u00efdes \u00e9vid\u00e9s pour \u00eatre rendus habitables o\u00f9 tout simplement d\u2019\u00e9normes vaisseaux spatiaux, \u00e0 l\u2019\u00e9chelle d\u2019une plan\u00e8te, susceptibles de transporter des milliards de passagers vers l&rsquo;infini et au del\u00e0&#8230;<\/p>\n<\/div>\n<\/section>\n<\/article>\n<\/div>\n<\/div>\n<div id=\"links_slots\" class=\"col-md-12\">\n<div id=\"bdp_ext\">\n<div id=\"links_slots1\">\n<div id=\"taboola-below-article-thumbnails\" class=\"trc_related_container trc_spotlight_widget trc_elastic trc_elastic_thumbnails-b\" data-placement-name=\"Below Article Thumbnails\">\n<div class=\"trc_rbox_container\">\n<div id=\"trc_wrapper_71177\" class=\"trc_rbox thumbnails-b trc-content-sponsored\">\n<div id=\"trc_header_71177\" class=\"trc_rbox_header trc_rbox_border_elm\">\n<div class=\"trc_header_ext\">\n<div id=\"outer_71177\" class=\"trc_rbox_outer\">\n<div id=\"rbox-t2m\" class=\"trc_rbox_div trc_rbox_border_elm\">\n<div id=\"internal_trc_71177\">\n<figure id=\"taboola-below-article-thumbnails-video\">\n<div id=\"_cm-css-reset\" class=\"_cm-div\" data-tracked=\"true\"><\/div>\n<\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"_cm-communication-input\" data-unit-info=\"\"><\/div>\n<div id=\"_cm-css-reset\" class=\"_cm-video\">\n<div id=\"_cm-css-reset\" class=\"_cm-video-ad vpaid-player-container\">\n<div id=\"_cm-css-reset\" class=\"_cm-volume-area _cm-volume-area-bottom\">\n<div class=\"_cm-volume-border\">\n<div class=\"_cm-volume-text\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Paris Match.\u00a0 Repr\u00e9sentation d&rsquo;artiste d&rsquo;une sph\u00e8re de Dyson, une m\u00e9gastructure capable de capter l&rsquo;\u00e9nergie d&rsquo;une \u00e9toile. SENTIENTDEVELOPMENTS.COM. La NASA franchit une nouvelle \u00e9tape dans la recherche d&rsquo;une vie extraterrestre en finan\u00e7ant la d\u00e9tection de m\u00e9gastructures construites par des civilisations avanc\u00e9es. Depuis des d\u00e9cennies, le programme SETI (Search for Extra-Terrestrial Intelligence) tend ses grandes oreilles vers<\/p>","protected":false},"author":33,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":"","rank_math_focus_keyword":"","rank_math_title":"","rank_math_description":"","rank_math_canonical_url":"","rank_math_robots":null,"rank_math_facebook_title":"","rank_math_facebook_description":"","rank_math_twitter_title":"","rank_math_twitter_description":""},"categories":[200],"tags":[],"class_list":["post-28387","post","type-post","status-publish","format-standard","category-ecologie"],"acf":[],"_links":{"self":[{"href":"https:\/\/antilla-martinique.com\/en\/wp-json\/wp\/v2\/posts\/28387","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/antilla-martinique.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/antilla-martinique.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/antilla-martinique.com\/en\/wp-json\/wp\/v2\/users\/33"}],"replies":[{"embeddable":true,"href":"https:\/\/antilla-martinique.com\/en\/wp-json\/wp\/v2\/comments?post=28387"}],"version-history":[{"count":0,"href":"https:\/\/antilla-martinique.com\/en\/wp-json\/wp\/v2\/posts\/28387\/revisions"}],"wp:attachment":[{"href":"https:\/\/antilla-martinique.com\/en\/wp-json\/wp\/v2\/media?parent=28387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/antilla-martinique.com\/en\/wp-json\/wp\/v2\/categories?post=28387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/antilla-martinique.com\/en\/wp-json\/wp\/v2\/tags?post=28387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}