{"id":4801,"date":"2016-01-21T07:44:11","date_gmt":"2016-01-21T07:44:11","guid":{"rendered":"http:\/\/www.enigmes-tv.fr\/?p=4801"},"modified":"2016-01-21T07:44:11","modified_gmt":"2016-01-21T07:44:11","slug":"planete-x-ou-la-neuvieme-planete-de-notre-systeme-solaire","status":"publish","type":"post","link":"https:\/\/www.publisigma47.fr\/hypno6\/planete-x-ou-la-neuvieme-planete-de-notre-systeme-solaire\/","title":{"rendered":"Plan\u00e8te X &#8211; Ou la neuvi\u00e8me plan\u00e8te de notre syst\u00e8me solaire."},"content":{"rendered":"<p><a href=\"http:\/\/www.publisigma47.fr\/hypno6\/wp-content\/uploads\/2016\/01\/neuvieme-planete.jpg\" rel=\"attachment wp-att-4802\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4802\" src=\"http:\/\/www.publisigma47.fr\/hypno6\/wp-content\/uploads\/2016\/01\/neuvieme-planete.jpg\" alt=\"neuvieme-planete\" width=\"805\" height=\"453\" \/><\/a><\/p>\n<h2 class=\"b-article__lead\" style=\"text-align: justify;\">Deux astronomes am\u00e9ricains ont d\u00e9couvert une nouvelle plan\u00e8te dix fois plus lourde que la Terre au sein m\u00eame du Syst\u00e8me solaire.<\/h2>\n<div class=\"b-article__videoclub_embed\" style=\"text-align: justify;\"><\/div>\n<p><!--more--><\/p>\n<p style=\"text-align: justify;\">Une plan\u00e8te grande comme Neptune, mais invisible, se cache derri\u00e8re Pluton, ont annonc\u00e9 les astronomes Mike Brown et Konstantin Batygin, du California Institute of\u00a0Technology, dans un article publi\u00e9 par <a href=\"http:\/\/iopscience.iop.org\/article\/10.3847\/0004-6256\/151\/2\/22\/meta\" target=\"_blank\">The Astronomical Journal<\/a>.<\/p>\n<p>\u00a0<iframe loading=\"lazy\" src=\"https:\/\/www.ultimedia.com\/deliver\/generic\/iframe\/mdtk\/01650969\/src\/lxxv5x\/zone\/1\/showtitle\/1\/\" width=\"560\" height=\"560\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><a href=\"http:\/\/www.publisigma47.fr\/hypno6\/wp-content\/uploads\/2016\/01\/9e_planete.01.jpg\" rel=\"attachment wp-att-4803\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4803\" src=\"http:\/\/www.publisigma47.fr\/hypno6\/wp-content\/uploads\/2016\/01\/9e_planete.01.jpg\" alt=\"9e_planete.01\" width=\"600\" height=\"450\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">Selon les chercheurs, la plan\u00e8te inconnue \u00e9volue autour du Soleil sur une orbite elliptique inclin\u00e9e par rapport \u00e0 celle de la Terre avec une p\u00e9riode de r\u00e9volution de 15.000 ans.<\/p>\n<p><iframe loading=\"lazy\" title=\"A new 9th planet for the solar system?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/42GeoCVaZQg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p style=\"text-align: justify;\">D&rsquo;apr\u00e8s M.Brown et Batygin, elle a fait son apparition il y a 4,5 milliards d&rsquo;ann\u00e9es, alors que le Syst\u00e8me solaire \u00e9tait encore tout jeune. Sa composition chimique ressemble \u00e0 celle des plan\u00e8tes g\u00e9antes gazeuses Uranus et Neptune. La distance entre le Soleil et la plan\u00e8te X est de 200 unit\u00e9s astronomiques, soit sept fois plus qu&rsquo;entre Neptune et le Soleil.<\/p>\n<p style=\"text-align: justify;\"><a href=\"http:\/\/www.publisigma47.fr\/hypno6\/wp-content\/uploads\/2016\/01\/9e-planete.02.jpg\" rel=\"attachment wp-att-4804\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4804\" src=\"http:\/\/www.publisigma47.fr\/hypno6\/wp-content\/uploads\/2016\/01\/9e-planete.02.jpg\" alt=\"9e-planete.02\" width=\"600\" height=\"450\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">Les astronomes ont d\u00e9couvert la plan\u00e8te en \u00e9tudiant l&rsquo;\u00e9volution du champ gravitationnel d&rsquo;autres astres. Ils admettent que les autres scientifiques pourront saluer leur d\u00e9couverte seulement quand ils auront vu la plan\u00e8te par t\u00e9lescope. Les astronomes envisagent de se rendre \u00e0 cette fin \u00e0 l&rsquo;Observatoire japonais Subaru des \u00eeles Hawa\u00ef.<\/p>\n<p style=\"text-align: justify;\">Ils comptent fournir des preuves de l&rsquo;existence de la 9e plan\u00e8te du Syst\u00e8me solaire dans cinq ans. Selon eux, la probabilit\u00e9 d&rsquo;une erreur est de 0.007%.<\/p>\n<p style=\"text-align: justify;\">Ironie de l&rsquo;histoire, l&rsquo;un des deux astronomes, Mike Brown, est aussi l&rsquo;homme \u00e0 l&rsquo;origine de la controverse qui avait amen\u00e9 les scientifiques \u00e0 requalifier l&rsquo;ancienne 9e plan\u00e8te du Syst\u00e8me solaire, Pluton, en tant que plan\u00e8te naine.<\/p>\n<p style=\"text-align: justify;\">Les recherches de la plan\u00e8te X dans le Syst\u00e8me solaire ont ant\u00e9rieurement permis aux scientifiques de d\u00e9couvrir Neptune en 1864 et Pluton en 1930.<\/p>\n<p style=\"text-align: justify;\">Source:\u00a0<a href=\"http:\/\/fr.sputniknews.com\/sci_tech\/20160120\/1021093127\/nouvelle-planete-systeme-solaire.html\" target=\"_blank\">Sputnik France<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Deux astronomes am\u00e9ricains ont d\u00e9couvert une nouvelle plan\u00e8te dix fois plus lourde que la Terre au sein m\u00eame du Syst\u00e8me solaire.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[2,12],"tags":[179,677,1226,2087,2222,2668,2849,2896,2928,2983,3142,3241,3245,3246,3249,3977,4060],"class_list":["post-4801","post","type-post","status-publish","format-standard","hentry","category-actualite","category-univers","tag-9-eme-planete","tag-california-institute-of-technology","tag-dix-fois-plus-lourde-de-la-terre","tag-invisible","tag-konstantin-batygin","tag-mike-brown","tag-neuvieme-planete","tag-nouvelle-planete","tag-observatoire-japonais-subaru","tag-orbite-elliptique-inclinee","tag-periode-de-revolution-de-15-000-ans","tag-planet-x","tag-planete-geante-gazeuse","tag-planete-inconnue","tag-planete-x","tag-systeme-solaire","tag-the-astronomical-journal"],"_links":{"self":[{"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/posts\/4801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/comments?post=4801"}],"version-history":[{"count":0,"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/posts\/4801\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/media?parent=4801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/categories?post=4801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/tags?post=4801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}