{"id":17627,"date":"2019-01-08T17:30:39","date_gmt":"2019-01-08T16:30:39","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=17627"},"modified":"2019-01-08T17:30:39","modified_gmt":"2019-01-08T16:30:39","slug":"new-une-image-miroir-de-notre-univers-existait-avant-le-big-bang","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/new-une-image-miroir-de-notre-univers-existait-avant-le-big-bang\/","title":{"rendered":"New : Une \u00ab\u00a0image miroir\u00a0\u00bb de notre univers existait avant le Big Bang"},"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>Selon une nouvelle th\u00e9orie hallucinante, le Big Bang n&rsquo;a pas seulement eu pour r\u00e9sultat notre univers familier, il a \u00e9galement g\u00e9n\u00e9r\u00e9 un deuxi\u00e8me \u00ab\u00a0anti-univers\u00a0\u00bb qui s&rsquo;\u00e9tendait dans le temps, comme une image miroir du n\u00f4tre.<\/p>\n<p><a href=\"https:\/\/physicsworld.com\/a\/our-universe-has-antimatter-partner-on-the-other-side-of-the-big-bang-say-physicists\/\" target=\"_blank\" rel=\"noopener\">Un nouveau r\u00e9cit<\/a> de Physics World explore la nouvelle th\u00e9orie propos\u00e9e par un trio de physiciens canadiens qui affirment qu\u2019elle pourrait expliquer l\u2019existence de la mati\u00e8re noire.<\/p>\n<p>La nouvelle th\u00e9orie, expos\u00e9e dans <a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.121.251301\" target=\"_blank\" rel=\"noopener\">un article r\u00e9cent<\/a> de la revue Physical Review of Letters, vise \u00e0 pr\u00e9server une r\u00e8gle de physique appel\u00e9e sym\u00e9trie du CPT. Dans l&rsquo;anti-univers avant le Big Bang, cela sugg\u00e8re, le temps a fonctionn\u00e9 \u00e0 l&rsquo;envers et le cosmos a \u00e9t\u00e9 constitu\u00e9 d&rsquo;antimati\u00e8re au lieu de mati\u00e8re.<\/p>\n<p>Selon <a href=\"https:\/\/physics.aps.org\/synopsis-for\/10.1103\/PhysRevLett.121.251301\" target=\"_blank\" rel=\"noopener\">un communiqu\u00e9 de presse<\/a> \u00e0 propos de cette nouvelle th\u00e9orie, cette nouvelle th\u00e9orie est convaincante, car cela signifierait que l&rsquo;univers est rempli de \u00ab\u00a0neutrinos st\u00e9riles tr\u00e8s massifs\u00a0\u00bb qui pourraient expliquer la mati\u00e8re noire, un mat\u00e9riau myst\u00e9rieux cens\u00e9 constituer une bonne partie de l&rsquo;univers.<\/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>De l&rsquo;aveu m\u00eame des chercheurs, selon Physics World, de nombreux d\u00e9tails de cette nouvelle th\u00e9orie doivent encore \u00eatre \u00e9labor\u00e9s. Cependant, Neil Turok, coauteur de l\u2019Institut Perimetery pour la physique th\u00e9orique en Ontario, a affirm\u00e9 dans une entrevue suivi de la publication que la nouvelle th\u00e9orie est une th\u00e9orie forte, car elle repose uniquement sur des particules et des champs connus, au lieu de supposer que de nouvelles particules soient d\u00e9couvertes dans le futur.<\/p>\n<p><span>Notre univers pourrait \u00eatre le reflet d&rsquo;un univers d&rsquo;antimati\u00e8re qui remonterait dans le temps avant le Big Bang.&nbsp;Ainsi, pr\u00e9tendent les physiciens canadiens, qui ont&nbsp;<\/span><span>mis au point un nouveau mod\u00e8le cosmologique posant l\u2019existence d\u2019un \u00abanti-univers\u00bb<\/span><span>&nbsp;qui, coupl\u00e9 au n\u00f4tre, pr\u00e9serve une r\u00e8gle fondamentale de la physique appel\u00e9e sym\u00e9trie CPT.&nbsp;Les chercheurs doivent encore \u00e9laborer de nombreux d\u00e9tails de leur th\u00e9orie, mais ils affirment que cela explique naturellement l\u2019existence de la mati\u00e8re noire.<\/span><\/p>\n<p><a href=\"https:\/\/www.laterredufutur.com\/accueil\/\">Adaptation TDF<\/a><\/p>\n<p>sources :&nbsp;<a href=\"https:\/\/www.sciencealert.com\/a-mirror-image-of-our-universe-before-the-big-bang-could-explain-dark-matter\" target=\"_blank\" rel=\"noopener\">https:\/\/www.sciencealert.com<\/a> \/ <a href=\"https:\/\/physicsworld.com\/a\/our-universe-has-antimatter-partner-on-the-other-side-of-the-big-bang-say-physicists\/\" target=\"_blank\" rel=\"noopener\">https:\/\/physicsworld.com<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"17627\">(615)<\/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>Selon une nouvelle th\u00e9orie hallucinante, le Big Bang n&rsquo;a pas seulement eu pour r\u00e9sultat notre univers familier, il a \u00e9galement&#8230;<\/p>\n","protected":false},"author":1,"featured_media":17628,"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":"New : Une \"image miroir\" de notre univers existait avant le Big Bang @laterredufutur","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":[1659,505,3198,6893,592],"class_list":["post-17627","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-big-bang","tag-image","tag-matiere-noire","tag-miroir","tag-particule","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/Image-mirroir-univers-avant-big-bang.jpg?fit=1024%2C415&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-4Aj","jetpack-related-posts":[{"id":6021,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-astronomes-ont-decouvert-un-point-froid-large-de-1-8-milliard-dannees-lumieres\/","url_meta":{"origin":17627,"position":0},"title":"Des astronomes ont d\u00e9couvert un point froid large de 1.8 milliard d&rsquo;ann\u00e9es-lumi\u00e8res !","author":"Admin","date":"21 avril 2015","format":false,"excerpt":"En levant la t\u00eate dans l'h\u00e9misph\u00e8re sud, dans la direction de la constellation que l'on a baptis\u00e9e Eridan, il y a un coin d'univers qui rend les astrophysiciens perplexes depuis plus de dix ans. On l'a baptis\u00e9 le \"Point Froid\". Pour comprendre cette d\u00e9nomination, il faut remonter \u00e0 l'origine de\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\/04\/anomalies-univers-avril-2015.png?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\/04\/anomalies-univers-avril-2015.png?fit=1090%2C500&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/anomalies-univers-avril-2015.png?fit=1090%2C500&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/anomalies-univers-avril-2015.png?fit=1090%2C500&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/anomalies-univers-avril-2015.png?fit=1090%2C500&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":1788,"url":"https:\/\/www.laterredufutur.com\/accueil\/lhypothese-folle-dun-cosmologiste-de-harvard\/","url_meta":{"origin":17627,"position":1},"title":"L\u2019hypoth\u00e8se folle d\u2019un cosmologiste de Harvard","author":"Admin","date":"2 f\u00e9vrier 2014","format":false,"excerpt":"Des plan\u00e8tes habitables ont-elles peupl\u00e9 l'Univers au tout d\u00e9but de l'expansion cosmique, seulement 15 millions d'ann\u00e9es apr\u00e8s le big bang ? Fascinante et iconoclaste, cette hypoth\u00e8se publi\u00e9e par le cosmologiste Abraham Loeb interpelle les astrophysiciens. Faut-il revisiter le grand r\u00e9cit de l'Univers ? \u00a0","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\/wordpress\/wp-content\/uploads\/2013\/11\/exoplanete-type-terre.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1322,"url":"https:\/\/www.laterredufutur.com\/accueil\/images-inedites-de-la-naissance-de-lunivers\/","url_meta":{"origin":17627,"position":2},"title":"Images in\u00e9dites de la naissance de l&rsquo;univers","author":"Admin","date":"26 mars 2013","format":false,"excerpt":"Fascinant et d\u00e9routant : les scientifiques europ\u00e9ens ont r\u00e9ussi \u00e0 obtenir l'image la plus pr\u00e9cise jamais r\u00e9alis\u00e9e de l'enfance de l'Univers. Une \u00e9quipe de 350 astrophysiciens a publi\u00e9 la carte du cosmos, peu apr\u00e8s le big-bang. Dress\u00e9e par le t\u00e9lescope spatial Planck, elle r\u00e9v\u00e8le son \u00e2ge, son pass\u00e9, sa vitesse\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\/wordpress\/wp-content\/uploads\/2013\/03\/univers-1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":10490,"url":"https:\/\/www.laterredufutur.com\/accueil\/detection-dondes-gravitationnelles-100-ans-apres-les-previsions-deinstein\/","url_meta":{"origin":17627,"position":3},"title":"D\u00e9tection d&rsquo;ondes gravitationnelles : 100 ans apr\u00e8s les pr\u00e9visions d&rsquo;Einstein","author":"Admin","date":"13 janvier 2016","format":false,"excerpt":"La plan\u00e8te scientifique s'agite apr\u00e8s un tweet affirmant que des physiciens sont parvenus \u00e0 d\u00e9tecter des ondes gravitationnelles, \u00e9l\u00e9ment cl\u00e9 de la th\u00e9orie de la relativit\u00e9 g\u00e9n\u00e9rale d'Einstein qui, s'il \u00e9tait confirm\u00e9, constituerait l'une des plus importantes d\u00e9couvertes de notre temps. Les ondes gravitationnelles compressent l'espace produisant une signature distincte\u2026","rel":"","context":"Dans &quot;Ev\u00e8nement Brutal&quot;","block_context":{"text":"Ev\u00e8nement Brutal","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/evenement-brutal\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/albert-einstein.jpg?fit=545%2C438&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/albert-einstein.jpg?fit=545%2C438&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/albert-einstein.jpg?fit=545%2C438&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":11014,"url":"https:\/\/www.laterredufutur.com\/accueil\/ondes-gravitationnelles-cent-ans-plus-tard-einstein-avait-raison\/","url_meta":{"origin":17627,"position":4},"title":"Ondes gravitationnelles : Cent ans plus tard, Einstein avait raison","author":"Admin","date":"11 f\u00e9vrier 2016","format":false,"excerpt":"C\u2019est une annonce majeure qu\u2019ont faites les scientifiques du projet Ligo, ce jeudi \u00e0 Washington et publi\u00e9e dans Physical Review Letters. 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