{"id":17787,"date":"2019-01-16T07:00:53","date_gmt":"2019-01-16T06:00:53","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=17787"},"modified":"2019-01-14T17:47:56","modified_gmt":"2019-01-14T16:47:56","slug":"des-trous-noirs-pourraient-servir-de-porte-pour-voyager-dans-lhyperespace","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/des-trous-noirs-pourraient-servir-de-porte-pour-voyager-dans-lhyperespace\/","title":{"rendered":"Des trous noirs pourraient servir de porte pour voyager dans l&rsquo;hyperespace"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Une \u00e9quipe de chercheurs en astrophysique a d\u00e9cid\u00e9 de tester ce qui n\u2019avait auparavant \u00e9t\u00e9 d\u00e9crit que par des auteurs de science-fiction et a examin\u00e9 la possibilit\u00e9 d\u2019effectuer des voyages dans le temps et dans l\u2019espace \u00e0 travers les trous noirs. Voici les grandes lignes de leurs conclusions.<\/p>\n<p>Des chercheurs de l\u2019Universit\u00e9 du Massachusetts \u00e0 Dartmouth et du Georgia Gwinnett College ont con\u00e7u un mod\u00e8le cosmologique permettant d\u2019\u00e9valuer la possibilit\u00e9 d\u2019effectuer des voyages dans le temps et dans l\u2019espace \u00e0 travers les trous noirs. Les r\u00e9sultats de leur \u00e9tude ont \u00e9t\u00e9 rendus publics par le physicien Gurav Khanna sur le portail Science Alert.<\/p>\n<p>On consid\u00e9rait jusqu\u2019\u00e0 maintenant qu\u2019il \u00e9tait impossible de passer \u00e0 travers les trous noirs parce qu\u2019au cours d\u2019un tel voyage le vaisseau serait confront\u00e9 \u00e0 la singularit\u00e9. Or, cette nouvelle \u00e9tude sugg\u00e8re que les caract\u00e9ristiques des trous noirs varient et que la singularit\u00e9 puisse dans certains \u00eatre tr\u00e8s faible.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"17788\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/des-trous-noirs-pourraient-servir-de-porte-pour-voyager-dans-lhyperespace\/courbure-espacetemps\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/courbure-espacetemps.jpg?fit=600%2C314&amp;ssl=1\" data-orig-size=\"600,314\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"courbure-espacetemps\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/courbure-espacetemps.jpg?fit=600%2C314&amp;ssl=1\" class=\"alignnone size-full wp-image-17788\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/courbure-espacetemps.jpg?resize=600%2C314&#038;ssl=1\" alt=\"\" width=\"600\" height=\"314\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/courbure-espacetemps.jpg?w=600&amp;ssl=1 600w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/courbure-espacetemps.jpg?resize=300%2C157&amp;ssl=1 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u00c0 titre de comparaison, les chercheurs citent le grand trou noir en rotation Sagittaire A* situ\u00e9 au centre de la Voie lact\u00e9e. La mod\u00e9lisation a d\u00e9montr\u00e9 que la singularit\u00e9 \u00e0 l\u2019int\u00e9rieur est \u00abfaible\u00bb et qu\u2019elle n\u2019est pas en mesure d\u2019endommager un objet qui s\u2019en approche.<br \/>\nEn cons\u00e9quence, un vaisseau spatial a des chances de passer \u00abpaisiblement\u00bb \u00e0 travers ce trou. Qui plus est, il est relativement proche de la Terre.<br \/>\nMais, il est pour le moment impossible de passer de la th\u00e9orie \u00e0 la pratique et de v\u00e9rifier si les auteurs de l\u2019\u00e9tude ont raison.<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p>Les chercheurs pensaient auparavant que tout vaisseau spatial essayant d&rsquo;utiliser un trou noir comme portail de ce type devrait tenir compte de contraintes terribles.<\/p>\n<p>En effet, la singularit\u00e9 \u00e0 laquelle un vaisseau spatial devrait faire face est tr\u00e8s douce et pourrait permettre un passage tr\u00e8s pacifique.<\/p>\n<p>La raison en est que la singularit\u00e9 pertinente \u00e0 l&rsquo;int\u00e9rieur d&rsquo;un trou noir en rotation est techniquement \u00ab\u00a0faible\u00a0\u00bb et n&rsquo;endommage donc pas les objets qui interagissent avec lui.<\/p>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\">La Terre du Futur<\/a><\/p>\n<p>sources : <a href=\"https:\/\/fr.sputniknews.com\/sci_tech\/201901111039607352-espace-porte-nouvelle-dimension\/\" target=\"_blank\" rel=\"noopener\">https:\/\/fr.sputniknews.com\/<\/a> \/ <a href=\"https:\/\/www.sciencealert.com\/rotating-black-holes-could-be-the-key-to-hyperspace-travel?fbclid=IwAR1Kz-xh2vPH_v0oGRBZ4HsvCfG6bfBZTFuR4eoik4A3L7jttl8F2e8Mz58\" target=\"_blank\" rel=\"noopener\">https:\/\/www.sciencealert.com\/<\/a> \/ <a href=\"https:\/\/theconversation.com\/rotating-black-holes-may-serve-as-gentle-portals-for-hyperspace-travel-107062\" target=\"_blank\" rel=\"noopener\">https:\/\/theconversation.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"17787\">(639)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Une \u00e9quipe de chercheurs en astrophysique a d\u00e9cid\u00e9 de tester ce qui n\u2019avait auparavant \u00e9t\u00e9 d\u00e9crit que par des auteurs&#8230;<\/p>\n","protected":false},"author":1,"featured_media":17790,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Des trous noirs pourraient servir de porte pour voyager dans l'hyperespace @laterredufutur.com","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[22],"tags":[6924,3197,2138,1107],"class_list":["post-17787","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-hyperespace","tag-trou-noir","tag-vaisseau-spatial","tag-voyage","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/astronaute-trounoir.jpg?fit=960%2C540&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-4CT","jetpack-related-posts":[{"id":15394,"url":"https:\/\/www.laterredufutur.com\/accueil\/de-nouvelle-distorsions-de-lespace-temps-font-trembler-la-terre\/","url_meta":{"origin":17787,"position":0},"title":"De nouvelle distorsions de l&rsquo;espace temps font trembler la Terre","author":"Admin","date":"4 juin 2017","format":false,"excerpt":"Le LIGO a r\u00e9alis\u00e9 une nouvelle prouesse. Les instruments de l\u2019observatoire ont en effet d\u00e9tect\u00e9 de nouvelles distorsions de l\u2019espace-temps, des distorsions provoqu\u00e9es par la fusion de deux trous noirs. L\u2019\u00e9nergie d\u00e9livr\u00e9e d\u00e9fiait l\u2019entendement. Les ondes gravitationnelles ont \u00e9t\u00e9 \u00e9voqu\u00e9es pour la toute premi\u00e8re fois par Albert Einstein en 1916.\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/06\/trous-noirs.jpg?fit=639%2C426&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/06\/trous-noirs.jpg?fit=639%2C426&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/06\/trous-noirs.jpg?fit=639%2C426&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":25089,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-physiciens-viennent-de-comprendre-comment-les-trous-de-ver-pourraient-permettre-de-voyager-dans-le-temps\/","url_meta":{"origin":17787,"position":1},"title":"Les physiciens viennent de comprendre comment les trous de ver pourraient permettre de voyager dans le temps","author":"Admin","date":"2 ao\u00fbt 2023","format":false,"excerpt":"Les physiciens en th\u00e9orie ont beaucoup en commun avec les juristes. Tous deux passent beaucoup de temps \u00e0 chercher des failles et des incoh\u00e9rences dans les r\u00e8gles qui pourraient \u00eatre exploit\u00e9es d'une mani\u00e8re ou d'une autre. Valeri P. Frolov et Andrei Zelnikov, de l'universit\u00e9 d'Alberta au Canada, et Pavel Krtou\u0161,\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/07\/trou-de-ver-espace-temps.jpg?fit=1024%2C415&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/07\/trou-de-ver-espace-temps.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/07\/trou-de-ver-espace-temps.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/07\/trou-de-ver-espace-temps.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":9246,"url":"https:\/\/www.laterredufutur.com\/accueil\/pour-la-premiere-fois-la-nasa-a-observe-quelque-chose-sortir-dun-trou-noir\/","url_meta":{"origin":17787,"position":2},"title":"Pour la premi\u00e8re fois, la Nasa a observ\u00e9 quelque chose sortir d&rsquo;un trou noir","author":"Admin","date":"11 novembre 2015","format":false,"excerpt":"Si il y a bien une chose qu\u2019Interstellar retranscrit correctement \u00e0 propos des trous noirs, c\u2019est que personne ne comprend vraiment ce qu\u2019il en est. Plus s\u00e9rieusement, nous ne comprenons pas toute la physique associ\u00e9e \u00e0 ces objets massifs. Nous ne les comprenons pas enti\u00e8rement et nous ne savons pas\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/trounoir_interstellar.jpg?fit=1090%2C500&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/trounoir_interstellar.jpg?fit=1090%2C500&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/trounoir_interstellar.jpg?fit=1090%2C500&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/trounoir_interstellar.jpg?fit=1090%2C500&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/trounoir_interstellar.jpg?fit=1090%2C500&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":18944,"url":"https:\/\/www.laterredufutur.com\/accueil\/cest-officiel-les-astronomes-viennent-de-devoiler-la-toute-premiere-image-dun-trou-noir\/","url_meta":{"origin":17787,"position":3},"title":"C&rsquo;est officiel: les astronomes viennent de d\u00e9voiler la toute premi\u00e8re image d&rsquo;un trou noir","author":"Admin","date":"10 avril 2019","format":false,"excerpt":"Regardez cette photo. Arr\u00eatez vous un instant dessus et observez l\u00e0. Ce que vous regardez, c'est l'histoire. C\u2019est la toute premi\u00e8re image directe, \u00e0 ce jour, de l\u2019horizon des \u00e9v\u00e9nements d\u2019un trou noir ! Il se trouve \u00e0 55 millions d'ann\u00e9es-lumi\u00e8re, et c'est le trou noir supermassif au centre d'une\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/trou-noir-10avril2019.jpg?fit=1024%2C415&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/trou-noir-10avril2019.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/trou-noir-10avril2019.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/trou-noir-10avril2019.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":6644,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-autre-terre\/","url_meta":{"origin":17787,"position":4},"title":"Une autre Terre","author":"Admin","date":"5 juin 2015","format":false,"excerpt":"Documentaire science issu de : l'univers et ses myst\u00e8res ceci est l\u2019\u00e9pisode 42. Avec tous ces documentaires disponibles sur ma cha\u00eene, vous en saurez plus sur l'astronomie, l'espace, le temps, la mati\u00e8re et beaucoup de r\u00e9ponses aux questions que l'ont peut se poser, tout comme : est-il possible de voir\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"exoplanete","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/10\/exoplanete.jpg?fit=540%2C270&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/10\/exoplanete.jpg?fit=540%2C270&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/10\/exoplanete.jpg?fit=540%2C270&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":10660,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-science-et-la-technologie-sont-les-plus-grandes-menaces-pour-lhumanite-selon-stephen-hawking\/","url_meta":{"origin":17787,"position":5},"title":"La science et la technologie sont les plus grandes menaces pour l&rsquo;humanit\u00e9, selon Stephen Hawking","author":"Admin","date":"19 janvier 2016","format":false,"excerpt":"Le c\u00e9l\u00e8bre cosmologiste et physicien britannique a expliqu\u00e9, en marge d\u2019une conf\u00e9rence pour la BBC, que le genre humain \u00e9tait en passe de devoir affronter ses moments les plus difficiles, alors que les progr\u00e8s g\u00e9n\u00e8rent des dangers existentiels. D\u2019apr\u00e8s Stephen Hawking, il est presque certain qu\u2019une catastrophe frappera la plan\u00e8te\u2026","rel":"","context":"Dans &quot;Technologie et IA&quot;","block_context":{"text":"Technologie et IA","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/technologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/stephen-hawkings.jpg?fit=879%2C476&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/stephen-hawkings.jpg?fit=879%2C476&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/stephen-hawkings.jpg?fit=879%2C476&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/stephen-hawkings.jpg?fit=879%2C476&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/17787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=17787"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/17787\/revisions"}],"predecessor-version":[{"id":17791,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/17787\/revisions\/17791"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/17790"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=17787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=17787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=17787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}