{"id":11033,"date":"2016-02-22T00:00:36","date_gmt":"2016-02-21T23:00:36","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=11033"},"modified":"2016-02-16T18:02:51","modified_gmt":"2016-02-16T17:02:51","slug":"et-si-la-terre-etait-a-lorigine-deux-planetes-distinctes","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/et-si-la-terre-etait-a-lorigine-deux-planetes-distinctes\/","title":{"rendered":"Et si la Terre \u00e9tait \u00e0 l\u2019origine deux plan\u00e8tes distinctes ?"},"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;\">Vous connaissez tous la th\u00e9orie de base expliquant comment notre Lune se serait form\u00e9. Selon les scientifiques les plus \u00e9rudits, il y a 4,5 milliards d\u2019ann\u00e9es, un embryon de la plan\u00e8te Th\u00e9ia aurait frapp\u00e9 la Terre partiellement en la fr\u00f4lant et de ces d\u00e9bris serait n\u00e9e la Lune. On appelle \u00e7a couramment un Big Splash.<\/p>\n<p style=\"text-align: justify;\">N\u00e9anmoins, le site <a href=\"http:\/\/www.sciencealert.com\/earth-is-made-up-of-two-planets-fused-together-by-a-head-on-collision-new-research-suggests\" target=\"_blank\">Science Alert<\/a> croit avoir une autre th\u00e9orie sur cet \u00e9v\u00e9nement majeur. Les scientifiques de l\u2019Universit\u00e9 de Californie affirmeraient que la plan\u00e8te Th\u00e9ia n\u2019a en r\u00e9alit\u00e9 pas seulement fr\u00f4l\u00e9 notre Terre, mais qu\u2019elle a v\u00e9ritablement fusionn\u00e9 avec elle. \u00ab Pour trouver cela, l\u2019\u00e9quipe a analys\u00e9 sept rochers lunaires ramen\u00e9s sur Terre par les missions Apollo, ainsi que six rochers volcaniques venant du manteau terrestre \u00bb peut-on lire.<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/Fwl_JBQtH9o?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=fr-FR&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/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;\">Chaque plan\u00e8te est marqu\u00e9e d\u2019une empreinte qui lui est propre et dont les isotopes d\u2019oxyg\u00e8ne sont uniques. Ainsi, si, lors du Big Splash, Th\u00e9ia n\u2019avait que fr\u00f4l\u00e9 notre Terre, cr\u00e9ant ainsi la Lune, les isotopes de cette derni\u00e8re et de notre plan\u00e8te devraient \u00eatre diff\u00e9rents. Or, les travaux des scientifiques californiens ont prouv\u00e9 l\u2019inverse : \u00ab Nous ne voyons aucune diff\u00e9rence entre les isotopes de la Terre et de la Lune, ils sont indiscernables. Th\u00e9ia a compl\u00e8tement \u00e9t\u00e9 m\u00e9lang\u00e9e \u00e0 la Terre et la Lune, et s\u2019est uniform\u00e9ment dispers\u00e9e entre elles. Ceci explique pourquoi nous ne voyons pas de signature diff\u00e9rente de Th\u00e9ia entre la Terre et la Lune. \u00bb<\/p>\n<p style=\"text-align: justify;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"11034\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/et-si-la-terre-etait-a-lorigine-deux-planetes-distinctes\/formation-lune-theia\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/formation-lune-theia.jpg?fit=800%2C439&amp;ssl=1\" data-orig-size=\"800,439\" 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=\"formation-lune-theia\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/formation-lune-theia.jpg?fit=800%2C439&amp;ssl=1\" class=\"alignnone size-full wp-image-11034\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/formation-lune-theia.jpg?resize=800%2C439\" alt=\"formation-lune-theia\" width=\"800\" height=\"439\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/formation-lune-theia.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/formation-lune-theia.jpg?resize=300%2C165&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/formation-lune-theia.jpg?resize=768%2C421&amp;ssl=1 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>source : <a href=\"http:\/\/www.jdubuzz.com\/\" target=\"_blank\">http:\/\/www.jdubuzz.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"11033\">(564)<\/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>Vous connaissez tous la th\u00e9orie de base expliquant comment notre Lune se serait form\u00e9. Selon les scientifiques les plus \u00e9rudits,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":11035,"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":"Et si la \"Terre \u00e9tait \u00e0 l\u2019origine deux plan\u00e8tes distinctes ? @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}},"categories":[22],"tags":[5540,122,121,75,4923,684],"class_list":["post-11033","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-isotopes","tag-lune","tag-planete","tag-terre","tag-theia","tag-video","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/Collision_terre.jpg?fit=1024%2C415&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-2RX","jetpack-related-posts":[{"id":8925,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-scientifiques-auraient-retrouve-des-traces-de-theia-dans-le-manteau-de-notre-planete\/","url_meta":{"origin":11033,"position":0},"title":"Des scientifiques auraient retrouv\u00e9 des traces de Theia dans le manteau de notre plan\u00e8te","author":"Admin","date":"22 octobre 2015","format":false,"excerpt":"Th\u00e9ia (ou parfois Orph\u00e9e) est un objet hypoth\u00e9tique du Syst\u00e8me solaire, suppos\u00e9 avoir exist\u00e9 par le pass\u00e9. Selon l'hypoth\u00e8se dominante, la formation de la Lune est due \u00e0 la collision de la Terre (ou proto-Terre) avec un objet de la taille de Mars. Th\u00e9ia est l'impacteur. Ils ont trouv\u00e9 une\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/theia-impact-terre.jpg?fit=800%2C453&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/theia-impact-terre.jpg?fit=800%2C453&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/theia-impact-terre.jpg?fit=800%2C453&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/theia-impact-terre.jpg?fit=800%2C453&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":20664,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-fragment-de-planete-qui-a-frappe-la-terre-pourrait-etre-enterre-a-linterieur-de-la-lune\/","url_meta":{"origin":11033,"position":1},"title":"Un fragment de plan\u00e8te qui a frapp\u00e9 la Terre pourrait \u00eatre enterr\u00e9 \u00e0 l&rsquo;int\u00e9rieur de la Lune","author":"Admin","date":"7 mai 2020","format":false,"excerpt":"Un objet de la taille de Mars a-t-il percut\u00e9 la Terre il y a des milliards d'ann\u00e9es? D'o\u00f9 vient la Lune et comment s'est-elle form\u00e9e? C'est une question que les scientifiques se grattent la t\u00eate depuis des d\u00e9cennies. Selon \u00abl'hypoth\u00e8se de l'impact g\u00e9ant \u00bb, largement accept\u00e9e, la Lune s'est form\u00e9e\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\/2020\/03\/theia-impact-terre-formation-lune.jpg?fit=1000%2C526&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/03\/theia-impact-terre-formation-lune.jpg?fit=1000%2C526&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/03\/theia-impact-terre-formation-lune.jpg?fit=1000%2C526&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/03\/theia-impact-terre-formation-lune.jpg?fit=1000%2C526&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":4850,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-mystere-de-la-formation-de-la-lune-en-passe-detre-elucide\/","url_meta":{"origin":11033,"position":2},"title":"Le myst\u00e8re de la formation de la Lune en passe d&rsquo;\u00eatre \u00e9lucid\u00e9","author":"Admin","date":"27 avril 2009","format":false,"excerpt":"9 avril 2009 : Les sondes jumelles STEREO de la NASA sont entr\u00e9es dans une r\u00e9gion myst\u00e9rieuse de l'espace \u00e0 la recherche des restes d'une ancienne plan\u00e8te qui, autrefois fut en orbite autour du Soleil, non loin de la Terre. Si elles trouvent quelque chose, cela pourrait r\u00e9soudre un casse-t\u00eate\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":27465,"url":"https:\/\/www.laterredufutur.com\/accueil\/theia-et-la-terre-etaient-voisines-selon-de-nouvelles-recherches\/","url_meta":{"origin":11033,"position":3},"title":"Th\u00e9ia et la Terre \u00e9taient voisines, selon de nouvelles recherches","author":"Admin","date":"22 novembre 2025","format":false,"excerpt":"Il y a environ 4,5 milliards d'ann\u00e9es, l'\u00e9v\u00e9nement le plus marquant de l'histoire de la Terre s'est produit : un \u00e9norme corps c\u00e9leste nomm\u00e9 Th\u00e9ia est entr\u00e9 en collision avec la jeune Terre. Les circonstances exactes de la collision et ses cons\u00e9quences restent encore mal connues. Ce qui est certain,\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\/10\/theia-impact-terre.jpg?fit=800%2C453&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/theia-impact-terre.jpg?fit=800%2C453&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/theia-impact-terre.jpg?fit=800%2C453&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/theia-impact-terre.jpg?fit=800%2C453&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":22223,"url":"https:\/\/www.laterredufutur.com\/accueil\/de-vastes-fragments-dun-monde-extraterrestre-pourraient-etre-enterres-au-plus-profond-de-notre-terre\/","url_meta":{"origin":11033,"position":4},"title":"De vastes fragments d&rsquo;un monde extraterrestre pourraient \u00eatre enterr\u00e9s au plus profond de notre Terre","author":"Admin","date":"24 mars 2021","format":false,"excerpt":"Elles sont parmi les plus grandes et les plus \u00e9tranges de toutes les structures sur Terre : d'\u00e9normes et myst\u00e9rieuses \"gouttes\" de roches denses se cachent profond\u00e9ment dans les parties les plus basses du manteau de notre plan\u00e8te. Il y a deux de ces masses gigantesques - appel\u00e9es \"les grandes\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/structures-manteau-terre.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\/2021\/03\/structures-manteau-terre.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/structures-manteau-terre.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/structures-manteau-terre.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":18377,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-roche-dorigine-terrestre-retrouvee-sur-le-lune\/","url_meta":{"origin":11033,"position":5},"title":"Une roche d\u2019origine terrestre retrouv\u00e9e sur le lune","author":"Admin","date":"11 f\u00e9vrier 2019","format":false,"excerpt":"Une analyse de roche lunaire, arriv\u00e9e sur Terre dans les bagages des astronautes de la mission Apollo 14, a r\u00e9v\u00e9l\u00e9 que cette roche serait en fait d\u2019origine terrestre ! Les scientifiques de la mission Apollo 14 ne sont pas revenus les mains vides de leur exploration lunaire. Ils ont pr\u00e9lev\u00e9\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\/03\/astronaute-lune-1969.jpg?fit=700%2C542&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/astronaute-lune-1969.jpg?fit=700%2C542&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/astronaute-lune-1969.jpg?fit=700%2C542&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/astronaute-lune-1969.jpg?fit=700%2C542&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/11033","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=11033"}],"version-history":[{"count":3,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/11033\/revisions"}],"predecessor-version":[{"id":11075,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/11033\/revisions\/11075"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/11035"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=11033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=11033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=11033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}