{"id":1788,"date":"2014-02-02T23:00:00","date_gmt":"2014-02-02T22:00:00","guid":{"rendered":"http:\/\/www.laterredufutur.com\/wordpress\/?p=1788"},"modified":"2014-02-02T23:00:00","modified_gmt":"2014-02-02T22:00:00","slug":"lhypothese-folle-dun-cosmologiste-de-harvard","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/lhypothese-folle-dun-cosmologiste-de-harvard\/","title":{"rendered":"L\u2019hypoth\u00e8se folle d\u2019un cosmologiste de Harvard"},"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 style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1611\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/lhypothese-folle-dun-cosmologiste-de-harvard\/exoplanete-type-terre\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2013\/11\/exoplanete-type-terre.jpg?fit=120%2C112&amp;ssl=1\" data-orig-size=\"120,112\" 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=\"exoplanete-type-terre\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2013\/11\/exoplanete-type-terre.jpg?fit=120%2C112&amp;ssl=1\" class=\" alignleft size-full wp-image-1611\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2013\/11\/exoplanete-type-terre.jpg?resize=120%2C112\" border=\"0\" align=\"left\" width=\"120\" height=\"112\" \/>Des plan\u00e8tes habitables ont-elles peupl\u00e9 l&rsquo;Univers au tout d\u00e9but de l&rsquo;expansion cosmique, seulement 15 millions d&rsquo;ann\u00e9es apr\u00e8s le big bang ?<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">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&rsquo;Univers ?<\/span><\/span><\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">   <br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">La lueur ti\u00e8de du Big bang<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Dans un \u00e9tonnant article soumis en d\u00e9cembre \u00e0 la revue Astrobiology &#8211; cinq pages \u00e0 peine ! -, le cosmologiste Abraham (Avi) Loeb, professeur au d\u00e9partement d&rsquo;astronomie de Harvard et <\/span><\/span><span style=\"font-size: small; color: #000000; line-height: 1.3em;\">membre de l&rsquo;Acad\u00e9mie des arts et des sciences am\u00e9ricaine, assure que l&rsquo;Univers aurait connu pr\u00e9cocement une \u00ab\u00a0p\u00e9riode habitable\u00a0\u00bb de quelques millions d&rsquo;ann\u00e9es.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">\u00ab\u00a0Quinze millions d&rsquo;ann\u00e9es apr\u00e8s le big bang, la temp\u00e9rature du rayonnement cosmologique \u00e9tait encore de 30\u2009\u00b0C\u00a0\u00bb, remarque le chercheur. \u00c9mise 380\u2009000 ans apr\u00e8s le big bang, lors de la formation des premiers atomes, cette lumi\u00e8re \u00e0 3\u2009000 \u00b0C n&rsquo;a cess\u00e9 de se refroidir sous l&rsquo;effet de l&rsquo;expansion cosmique.<\/span><\/span><\/p>\n<p><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script> <!-- TDF2 --> <ins class=\"adsbygoogle\"      style=\"display:inline-block;width:336px;height:280px\"      data-ad-client=\"ca-pub-2860849627502538\"      data-ad-slot=\"1340140919\"><\/ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); <\/script> <\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Aujourd&rsquo;hui, elle n&rsquo;est plus que de -\u2009270\u2009\u00b0C (3 K) et aurait bien du mal \u00e0 r\u00e9chauffer quoi que ce soit. Mais \u00e0 cette \u00e9poque primitive, elle baignait tout l&rsquo;espace d&rsquo;une lueur ti\u00e8de. \u00ab\u00a0Des plan\u00e8tes rocheuses plong\u00e9es dans ce bain pouvaient poss\u00e9der de l&rsquo;eau liquide o\u00f9 qu&rsquo;elles se trouvent dans l&rsquo;Univers, m\u00eame loin de toute \u00e9toile\u00a0\u00bb, souligne Avi Loeb [&#8230;]<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"488\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/lhypothese-folle-dun-cosmologiste-de-harvard\/planete-habitable\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/09\/planete-habitable.jpg?fit=240%2C185&amp;ssl=1\" data-orig-size=\"240,185\" 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=\"planete-habitable\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/09\/planete-habitable.jpg?fit=240%2C185&amp;ssl=1\" class=\" size-full wp-image-488\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2011\/09\/planete-habitable.jpg?w=450\" border=\"0\" alt=\"planete habitable\"  \/><\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Mais dans un document soumis \u00e0 la revue \u00a0Astrobiology , Le cosmologiste et th\u00e9orique Avi Loeb fait valoir qu&rsquo;une certaine forme de vie complexe peut avoir surgi dans le premier milliard d&rsquo;ann\u00e9es de l&rsquo;existence de notre univers.<\/span><\/span><\/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 style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Avi Loeb, pr\u00e9sident du d\u00e9partement d&rsquo;astronomie \u00e0 l&rsquo;Universit\u00e9 Harvard, dit que certaines fractions des premi\u00e8res populations d&rsquo;\u00e9toiles du cosmos peuvent avoir produit des supernovaes et sem\u00e9es au d\u00e9but de l&rsquo;univers de grandes quantit\u00e9s de m\u00e9taux, comme le fer. Ces \u00e9l\u00e9ments lourds, notes Loeb, sont cruciales lors de la formation des plan\u00e8tes telluriques comme la n\u00f4tre.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Nous pensons que ces premi\u00e8res \u00e9toiles ont \u00e9t\u00e9 100 fois plus massives que notre soleil et ont probablement eu des dur\u00e9es de vie de combustion d&rsquo;hydrog\u00e8ne de seulement 3 millions d&rsquo;ann\u00e9es. Pourtant, Loeb dit qu&rsquo;une population d&rsquo;\u00e9toiles de type II qui se seraient form\u00e9es dans le voisinage et auraient riche en m\u00e9tal de ces premi\u00e8res \u00e9toiles. Cela aurait donn\u00e9 naissance \u00e0 des plan\u00e8tes semblables \u00e0 la Terre, une fraction de ce qui peut avoir abrit\u00e9 une vie complexe.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"489\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/lhypothese-folle-dun-cosmologiste-de-harvard\/pandora\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/09\/pandora.jpg?fit=800%2C450&amp;ssl=1\" data-orig-size=\"800,450\" 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=\"pandora\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/09\/pandora.jpg?fit=800%2C450&amp;ssl=1\" class=\" size-full wp-image-489\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2011\/09\/pandora.jpg?w=450\" border=\"0\" alt=\"planete habitable\"  \/><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">\u00ab\u00a0Ce sont des \u00e9toiles \u00ab \u00eeles \u00bb enrichies par des \u00e9l\u00e9ments lourds o\u00f9 vous pouvez faire des plan\u00e8tes\u00bb, a d\u00e9clar\u00e9 Loeb. \u00abMais l&rsquo;ensemble de l&rsquo;univers devait \u00eatre vierge de gaz d&rsquo;hydrog\u00e8ne ou de gaz \u00e0 faible m\u00e9tallicit\u00e9.\u00a0\u00bb<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Le fond diffus cosmologique (CMB), relique reste du rayonnement du Big Bang, \u00e9tait \u00e0 peu pr\u00e8s \u00e0 la temp\u00e9rature ambiante lorsque l&rsquo;univers \u00e9tait \u00e2g\u00e9 de seulement 15 millions d&rsquo;ann\u00e9es.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Une plan\u00e8te rocheuse de ces premiers temps, n&rsquo;aurait pas eu besoin de la chaleur de son \u00e9toile. Mais Loeb dit qu&rsquo;elle pouvait simplement avoir baign\u00e9e dans le rayonnement de la CMB, qui, dans les premiers 3 millions d&rsquo;ann\u00e9es au moins auraient permis d&rsquo;avoir de l&rsquo;eau liquide sur ces plan\u00e8tes et par principe cr\u00e9er la chimie de la vie.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Et si cette perspective n&rsquo;est pas assez all\u00e9chante, Loeb dit qu&rsquo;en th\u00e9orie des dizaines de millions d&rsquo;ann\u00e9es apr\u00e8s le Big Bang, de populations d&rsquo;\u00e9toiles de type II auraient \u00e9galement eu des disques proto-plan\u00e9taires riches en m\u00e9taux capables de former des plan\u00e8tes semblables \u00e0 la Terre.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">\u00ab\u00a0L&rsquo;image que nous avons du d\u00e9but de l&rsquo;univers est que le cosmos est en sorte mort, a d\u00e9clar\u00e9 Loeb. \u00abMais c&rsquo;est tout \u00e0 fait possible que la vie \u00e9tait partout et nous serions des retardataires.\u00a0\u00bb<br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Adaptation traduction et adaptation de<a href=\"..\/\"> la Terre du Futur<\/a><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">sources : d\u00e9but d&rsquo;article de\u00a0http:\/\/www.cieletespace.fr \/ suite traduction de\u00a0http:\/\/thehigherlearning.com<\/span><\/span><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"1788\">(527)<\/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 style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img loading=\"lazy\" decoding=\"async\" class=\" alignleft size-full wp-image-1611\" src=\"http:\/\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2013\/11\/exoplanete-type-terre.jpg\" border=\"0\" align=\"left\" width=\"120\" height=\"112\" \/>Des plan\u00e8tes habitables ont-elles peupl\u00e9 l&rsquo;Univers au tout d\u00e9but de l&rsquo;expansion cosmique, seulement 15 millions d&rsquo;ann\u00e9es apr\u00e8s le big bang ?<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">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&rsquo;Univers ?<\/span><\/span><\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"> <\/p>\n","protected":false},"author":1,"featured_media":1611,"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_post_was_ever_published":false,"_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":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[22],"tags":[1659,2001,1948,362,121,2002,1656,308],"class_list":["post-1788","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-big-bang","tag-debut","tag-extrasolaire","tag-habitable","tag-planete","tag-rayonnement-cosmique","tag-univers","tag-vie","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2013\/11\/exoplanete-type-terre.jpg?fit=120%2C112&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-sQ","jetpack-related-posts":[{"id":1322,"url":"https:\/\/www.laterredufutur.com\/accueil\/images-inedites-de-la-naissance-de-lunivers\/","url_meta":{"origin":1788,"position":0},"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":6021,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-astronomes-ont-decouvert-un-point-froid-large-de-1-8-milliard-dannees-lumieres\/","url_meta":{"origin":1788,"position":1},"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":17627,"url":"https:\/\/www.laterredufutur.com\/accueil\/new-une-image-miroir-de-notre-univers-existait-avant-le-big-bang\/","url_meta":{"origin":1788,"position":2},"title":"New : Une \u00ab\u00a0image miroir\u00a0\u00bb de notre univers existait avant le Big Bang","author":"Admin","date":"8 janvier 2019","format":false,"excerpt":"Selon une nouvelle th\u00e9orie hallucinante, le Big Bang n'a pas seulement eu pour r\u00e9sultat notre univers familier, il a \u00e9galement g\u00e9n\u00e9r\u00e9 un deuxi\u00e8me \"anti-univers\" qui s'\u00e9tendait dans le temps, comme une image miroir du n\u00f4tre. Un nouveau r\u00e9cit de Physics World explore la nouvelle th\u00e9orie propos\u00e9e par un trio 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\/2019\/01\/Image-mirroir-univers-avant-big-bang.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\/01\/Image-mirroir-univers-avant-big-bang.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, 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&resize=525%2C300 1.5x, 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&resize=700%2C400 2x"},"classes":[]},{"id":9069,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-scientifique-decouvre-des-preuves-de-la-presence-dautres-univers\/","url_meta":{"origin":1788,"position":3},"title":"Un scientifique d\u00e9couvre des preuves de la pr\u00e9sence d&rsquo;autres Univers","author":"Admin","date":"10 novembre 2015","format":false,"excerpt":"Une nouvelle \u00e9tude pr\u00e9sent\u00e9e par\u00a0l'Astrophysical Journal affirme avoir trouv\u00e9 des preuves d'interactions entre notre univers et d'autres univers en regardant le fond diffus cosmologique (CMB). Le scientifique a d\u00e9couvert une anomalie associ\u00e9e \u00e0 certaines r\u00e9gions de la CMB (carte ci-dessus et ci-dessous), et il estime qu'il existe des preuves d'univers\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\/univers.png?fit=640%2C425&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/univers.png?fit=640%2C425&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/univers.png?fit=640%2C425&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":27042,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-terre-serait-piegee-a-linterieur-dun-vide-cosmique-immense\/","url_meta":{"origin":1788,"position":4},"title":"La Terre serait pi\u00e9g\u00e9e \u00e0 l&rsquo;int\u00e9rieur d&rsquo;un vide cosmique immense","author":"Admin","date":"11 juillet 2025","format":false,"excerpt":"Une \u00e9tude men\u00e9e par des chercheurs de l'Universit\u00e9 de Portsmouth appuie cette th\u00e9orie qui pourrait contribuer \u00e0 expliquer l'un des plus grands myst\u00e8res de l'astronomie moderne, la tension de Hubble. Une d\u00e9couverte qui pourrait r\u00e9soudre une controverse majeure de la science moderne. D'apr\u00e8s une \u00e9quipe d'astronomes de l'Universit\u00e9 de Portsmouth\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\/2016\/05\/Terre-photo-Nasa-espace-7.jpg?fit=1070%2C449&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/Terre-photo-Nasa-espace-7.jpg?fit=1070%2C449&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/Terre-photo-Nasa-espace-7.jpg?fit=1070%2C449&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/Terre-photo-Nasa-espace-7.jpg?fit=1070%2C449&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/Terre-photo-Nasa-espace-7.jpg?fit=1070%2C449&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":10490,"url":"https:\/\/www.laterredufutur.com\/accueil\/detection-dondes-gravitationnelles-100-ans-apres-les-previsions-deinstein\/","url_meta":{"origin":1788,"position":5},"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":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/1788","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=1788"}],"version-history":[{"count":0,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/1788\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/1611"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=1788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=1788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=1788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}