{"id":199925,"date":"2020-12-29T23:17:47","date_gmt":"2020-12-29T22:17:47","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=199925"},"modified":"2020-12-29T23:17:47","modified_gmt":"2020-12-29T22:17:47","slug":"un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/","title":{"rendered":"Un trou noir g\u00e9ant dispara\u00eet de ses radars, un \u00e9v\u00e9nement \u00ab anormal \u00bb pour la Nasa"},"content":{"rendered":"<div>Un trou noir supermassif se serait compl\u00e8tement \u00e9vapor\u00e9 des \u00e9crans radars de la Nasa, selon une \u00e9tude publi\u00e9e dans la revue AAS Journal, rapporte Numerama. L&rsquo;objet c\u00e9leste aurait d\u00fb se trouver au c\u0153ur de l\u2019amas de galaxies \u00ab Abell 2261 \u00bb, \u00e0 2,7 milliards d\u2019ann\u00e9es-lumi\u00e8re de la Terre.<\/div>\n<div>Mais nulle trace du trou noir, pesant entre 3 et 100 milliards de fois le poids du Soleil, n\u2019a \u00e9t\u00e9 retrouv\u00e9e par les scientifiques apr\u00e8s plusieurs recherches successives. Une situation jug\u00e9e anormale par la Nasa. \u00ab \u00c9tant donn\u00e9 que la masse d\u2019un trou noir central suit g\u00e9n\u00e9ralement la masse de la galaxie elle-m\u00eame, les astronomes s\u2019attendent \u00e0 ce que la galaxie au centre d'\u00a0\u00bbAbell 2261&Prime; contienne aussi un trou noir supermassif qui rivalise avec le poids de certains des plus grands trous noirs connus de l\u2019univers \u00bb, note, perplexe, l\u2019agence spatiale am\u00e9ricaine.<\/div>\n<div><\/div>\n<div><strong>*Fusion de deux trous noirs ?<\/strong><\/div>\n<div>Comment expliquer une telle absence ? L\u2019une des hypoth\u00e8ses est que le trou noir d&rsquo;\u00ab Abell 2261 \u00bb aurait \u00e9t\u00e9 \u00e9ject\u00e9 du centre de sa galaxie apr\u00e8s la fusion de deux autres galaxies et de leurs deux trous noirs centraux. Les ondes gravitationnelles r\u00e9sultant d\u2019un tel \u00e9v\u00e8nement auraient ainsi provoqu\u00e9 le \u00ab recul \u00bb du trou noir disparu. Une th\u00e9orie qui ne reste qu\u2019une hypoth\u00e8se, les astronomes n\u2019ayant jamais observ\u00e9 jusqu\u2019\u00e0 pr\u00e9sent de fusion de trous noirs aussi grands.<\/div>\n<div>La zone concern\u00e9e a pour l\u2019heure \u00e9t\u00e9 \u00e9tudi\u00e9e \u00e0 l\u2019aide de deux t\u00e9lescopes spatiaux de la Nasa, l\u2019observatoire de rayons X Chandra et Hubble, pr\u00e9cise Numerama. Le futur t\u00e9lescope James Webb pourra peut-\u00eatre permettre d\u2019en savoir plus sur la pr\u00e9sence ou non de ce myst\u00e9rieux trou noir.<\/div>\n<div style=\"text-align: right\">(20Minutes)<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Un trou noir supermassif se serait compl\u00e8tement \u00e9vapor\u00e9 des \u00e9crans radars de la Nasa, selon une \u00e9tude publi\u00e9e dans la revue AAS Journal, rapporte Numerama. L&rsquo;objet c\u00e9leste aurait d\u00fb se&hellip;<\/p>\n","protected":false},"author":60,"featured_media":199926,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-199925","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monde"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Un trou noir g\u00e9ant dispara\u00eet de ses radars, un \u00e9v\u00e9nement \u00ab anormal \u00bb pour la Nasa - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"Un trou noir supermassif se serait compl\u00e8tement \u00e9vapor\u00e9 des \u00e9crans radars de la Nasa, selon une \u00e9tude publi\u00e9e dans la revue AAS Journal, rapporte\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un trou noir g\u00e9ant dispara\u00eet de ses radars, un \u00e9v\u00e9nement \u00ab anormal \u00bb pour la Nasa - R\u00e9alit\u00e9s Magazine\" \/>\n<meta property=\"og:description\" content=\"Un trou noir supermassif se serait compl\u00e8tement \u00e9vapor\u00e9 des \u00e9crans radars de la Nasa, selon une \u00e9tude publi\u00e9e dans la revue AAS Journal, rapporte\" \/>\n<meta property=\"og:url\" content=\"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/\" \/>\n<meta property=\"og:site_name\" content=\"R\u00e9alit\u00e9s Magazine\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/realites.tn\/\" \/>\n<meta property=\"article:published_time\" content=\"2020-12-29T22:17:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/realites.com.tn\/fr\/wp-content\/uploads\/2020\/12\/Trou-noir-geant.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"410\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"La R\u00e9daction\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"La R\u00e9daction\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/\",\"url\":\"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/\",\"name\":\"Un trou noir g\u00e9ant dispara\u00eet de ses radars, un \u00e9v\u00e9nement \u00ab anormal \u00bb pour la Nasa - R\u00e9alit\u00e9s Magazine\",\"isPartOf\":{\"@id\":\"https:\/\/realites.com.tn\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/realites.com.tn\/fr\/wp-content\/uploads\/2020\/12\/Trou-noir-geant.jpg\",\"datePublished\":\"2020-12-29T22:17:47+00:00\",\"author\":{\"@id\":\"https:\/\/realites.com.tn\/fr\/#\/schema\/person\/438b71c29a257d955d96d8aef42336e7\"},\"description\":\"Un trou noir supermassif se serait compl\u00e8tement \u00e9vapor\u00e9 des \u00e9crans radars de la Nasa, selon une \u00e9tude publi\u00e9e dans la revue AAS Journal, rapporte\",\"breadcrumb\":{\"@id\":\"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/#primaryimage\",\"url\":\"https:\/\/realites.com.tn\/fr\/wp-content\/uploads\/2020\/12\/Trou-noir-geant.jpg\",\"contentUrl\":\"https:\/\/realites.com.tn\/fr\/wp-content\/uploads\/2020\/12\/Trou-noir-geant.jpg\",\"width\":640,\"height\":410},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/realites.com.tn\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Un trou noir g\u00e9ant dispara\u00eet de ses radars, un \u00e9v\u00e9nement \u00ab anormal \u00bb pour la Nasa\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/realites.com.tn\/fr\/#website\",\"url\":\"https:\/\/realites.com.tn\/fr\/\",\"name\":\"R\u00e9alit\u00e9s Magazine\",\"description\":\"Actualit\u00e9s de la Tunisie\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/realites.com.tn\/fr\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/realites.com.tn\/fr\/#\/schema\/person\/438b71c29a257d955d96d8aef42336e7\",\"name\":\"La R\u00e9daction\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/realites.com.tn\/fr\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/fbe9ab25fcc82b6e660ad5648f91eadb?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/fbe9ab25fcc82b6e660ad5648f91eadb?s=96&d=mm&r=g\",\"caption\":\"La R\u00e9daction\"},\"url\":\"https:\/\/realites.com.tn\/fr\/author\/realites5201\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Un trou noir g\u00e9ant dispara\u00eet de ses radars, un \u00e9v\u00e9nement \u00ab anormal \u00bb pour la Nasa - R\u00e9alit\u00e9s Magazine","description":"Un trou noir supermassif se serait compl\u00e8tement \u00e9vapor\u00e9 des \u00e9crans radars de la Nasa, selon une \u00e9tude publi\u00e9e dans la revue AAS Journal, rapporte","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/","og_locale":"fr_FR","og_type":"article","og_title":"Un trou noir g\u00e9ant dispara\u00eet de ses radars, un \u00e9v\u00e9nement \u00ab anormal \u00bb pour la Nasa - R\u00e9alit\u00e9s Magazine","og_description":"Un trou noir supermassif se serait compl\u00e8tement \u00e9vapor\u00e9 des \u00e9crans radars de la Nasa, selon une \u00e9tude publi\u00e9e dans la revue AAS Journal, rapporte","og_url":"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/","og_site_name":"R\u00e9alit\u00e9s Magazine","article_publisher":"https:\/\/www.facebook.com\/realites.tn\/","article_published_time":"2020-12-29T22:17:47+00:00","og_image":[{"width":640,"height":410,"url":"https:\/\/realites.com.tn\/fr\/wp-content\/uploads\/2020\/12\/Trou-noir-geant.jpg","type":"image\/jpeg"}],"author":"La R\u00e9daction","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"La R\u00e9daction","Dur\u00e9e de lecture estim\u00e9e":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/","url":"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/","name":"Un trou noir g\u00e9ant dispara\u00eet de ses radars, un \u00e9v\u00e9nement \u00ab anormal \u00bb pour la Nasa - R\u00e9alit\u00e9s Magazine","isPartOf":{"@id":"https:\/\/realites.com.tn\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/#primaryimage"},"image":{"@id":"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/#primaryimage"},"thumbnailUrl":"https:\/\/realites.com.tn\/fr\/wp-content\/uploads\/2020\/12\/Trou-noir-geant.jpg","datePublished":"2020-12-29T22:17:47+00:00","author":{"@id":"https:\/\/realites.com.tn\/fr\/#\/schema\/person\/438b71c29a257d955d96d8aef42336e7"},"description":"Un trou noir supermassif se serait compl\u00e8tement \u00e9vapor\u00e9 des \u00e9crans radars de la Nasa, selon une \u00e9tude publi\u00e9e dans la revue AAS Journal, rapporte","breadcrumb":{"@id":"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/#primaryimage","url":"https:\/\/realites.com.tn\/fr\/wp-content\/uploads\/2020\/12\/Trou-noir-geant.jpg","contentUrl":"https:\/\/realites.com.tn\/fr\/wp-content\/uploads\/2020\/12\/Trou-noir-geant.jpg","width":640,"height":410},{"@type":"BreadcrumbList","@id":"https:\/\/realites.com.tn\/fr\/un-trou-noir-geant-disparait-de-ses-radars-un-evenement-anormal-pour-la-nasa\/amp\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/realites.com.tn\/fr\/"},{"@type":"ListItem","position":2,"name":"Un trou noir g\u00e9ant dispara\u00eet de ses radars, un \u00e9v\u00e9nement \u00ab anormal \u00bb pour la Nasa"}]},{"@type":"WebSite","@id":"https:\/\/realites.com.tn\/fr\/#website","url":"https:\/\/realites.com.tn\/fr\/","name":"R\u00e9alit\u00e9s Magazine","description":"Actualit\u00e9s de la Tunisie","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/realites.com.tn\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/realites.com.tn\/fr\/#\/schema\/person\/438b71c29a257d955d96d8aef42336e7","name":"La R\u00e9daction","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/realites.com.tn\/fr\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/fbe9ab25fcc82b6e660ad5648f91eadb?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/fbe9ab25fcc82b6e660ad5648f91eadb?s=96&d=mm&r=g","caption":"La R\u00e9daction"},"url":"https:\/\/realites.com.tn\/fr\/author\/realites5201\/"}]}},"jetpack_featured_media_url":"https:\/\/realites.com.tn\/fr\/wp-content\/uploads\/2020\/12\/Trou-noir-geant.jpg","jetpack_sharing_enabled":true,"views":20,"_links":{"self":[{"href":"https:\/\/realites.com.tn\/fr\/wp-json\/wp\/v2\/posts\/199925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/realites.com.tn\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/realites.com.tn\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/realites.com.tn\/fr\/wp-json\/wp\/v2\/users\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/realites.com.tn\/fr\/wp-json\/wp\/v2\/comments?post=199925"}],"version-history":[{"count":0,"href":"https:\/\/realites.com.tn\/fr\/wp-json\/wp\/v2\/posts\/199925\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/realites.com.tn\/fr\/wp-json\/wp\/v2\/media\/199926"}],"wp:attachment":[{"href":"https:\/\/realites.com.tn\/fr\/wp-json\/wp\/v2\/media?parent=199925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/realites.com.tn\/fr\/wp-json\/wp\/v2\/categories?post=199925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/realites.com.tn\/fr\/wp-json\/wp\/v2\/tags?post=199925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}