{"id":6670,"date":"2023-11-07T09:55:29","date_gmt":"2023-11-07T08:55:29","guid":{"rendered":"https:\/?p=6670"},"modified":"2023-11-07T09:59:01","modified_gmt":"2023-11-07T08:59:01","slug":"cette-nouvelle-planete-du-systeme-solaire-intrigue-les-scientifiques-decouvrez-sedna-qui-ressemble-a-la-terre","status":"publish","type":"post","link":"https:\/\/fgbc.cm\/en\/2023\/11\/07\/cette-nouvelle-planete-du-systeme-solaire-intrigue-les-scientifiques-decouvrez-sedna-qui-ressemble-a-la-terre\/","title":{"rendered":"Cette nouvelle plan\u00e8te du syst\u00e8me solaire intrigue les scientifiques : d\u00e9couvrez Sedna, qui ressemble \u00e0 la Terre"},"content":{"rendered":"<p><a href=\"https:\/\/www.midilibre.fr\/2023\/11\/03\/cette-nouvelle-planete-du-systeme-solaire-intrigue-les-scientifiques-on-vous-presente-sedna-qui-ressemble-a-la-terre-11558547.php\">L&#8217;existence de cet \u00e9l\u00e9ment requalifi\u00e9 en plan\u00e8te par The Astronomical Journal en ao\u00fbt dernier remue la communaut\u00e9 scientifique. Et pour cause : Sedna a des airs de plan\u00e8te bleue. &#8220;Le sc\u00e9nario de la plan\u00e8te de la ceinture de Kuiper&#8221; C&#8217;est par ce sc\u00e9nario que na\u00eet en 2003 l&#8217;hypoth\u00e8se d&#8217;une telle plan\u00e8te. L&#8217;astronome am\u00e9ricain Michael Brown observe alors un astre rouge\u00e2tre et glac\u00e9 qui appara\u00eet dans le champ des t\u00e9lescopes. Sedna se trouve sur la ceinture de Kuiper, une r\u00e9gion en forme de disque situ\u00e9e au-del\u00e0 de l&#8217;orbite de la derni\u00e8re plan\u00e8te reconnue du syst\u00e8me solaire, Neptune. Cet espace abrite d&#8217;autres astres sph\u00e9riques qui ont longtemps fait l&#8217;objet de d\u00e9bats quant \u00e0 leur d\u00e9nomination, Pluton en t\u00eate de liste, r\u00e9trograd\u00e9e en 2006.<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L&#8217;existence de cet \u00e9l\u00e9ment requalifi\u00e9 en plan\u00e8te par The Astronomical Journal en ao\u00fbt dernier remue la communaut\u00e9 scientifique. Et pour cause : Sedna a des airs de plan\u00e8te bleue. &#8220;Le sc\u00e9nario de la plan\u00e8te de la ceinture de Kuiper&#8221; C&#8217;est par ce sc\u00e9nario que na\u00eet en 2003 l&#8217;hypoth\u00e8se d&#8217;une telle plan\u00e8te. L&#8217;astronome am\u00e9ricain Michael Brown &hellip; <a href=\"https:\/\/fgbc.cm\/en\/2023\/11\/07\/cette-nouvelle-planete-du-systeme-solaire-intrigue-les-scientifiques-decouvrez-sedna-qui-ressemble-a-la-terre\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Cette nouvelle plan\u00e8te du syst\u00e8me solaire intrigue les scientifiques : d\u00e9couvrez Sedna, qui ressemble \u00e0 la Terre<\/span><\/a><\/p>","protected":false},"author":20,"featured_media":6672,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[168,169,162],"tags":[],"class_list":["post-6670","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-education","category-histoire"],"_links":{"self":[{"href":"https:\/\/fgbc.cm\/en\/wp-json\/wp\/v2\/posts\/6670","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fgbc.cm\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fgbc.cm\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fgbc.cm\/en\/wp-json\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/fgbc.cm\/en\/wp-json\/wp\/v2\/comments?post=6670"}],"version-history":[{"count":1,"href":"https:\/\/fgbc.cm\/en\/wp-json\/wp\/v2\/posts\/6670\/revisions"}],"predecessor-version":[{"id":6673,"href":"https:\/\/fgbc.cm\/en\/wp-json\/wp\/v2\/posts\/6670\/revisions\/6673"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fgbc.cm\/en\/wp-json\/wp\/v2\/media\/6672"}],"wp:attachment":[{"href":"https:\/\/fgbc.cm\/en\/wp-json\/wp\/v2\/media?parent=6670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fgbc.cm\/en\/wp-json\/wp\/v2\/categories?post=6670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fgbc.cm\/en\/wp-json\/wp\/v2\/tags?post=6670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}