{"id":64543,"date":"2025-01-03T18:52:01","date_gmt":"2025-01-03T18:52:01","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre"},"modified":"2025-01-04T09:42:10","modified_gmt":"2025-01-04T09:42:10","slug":"un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre","title":{"rendered":"Un Nouveau Plan\u00e8te Confirm\u00e9 dans le Syst\u00e8me Solaire, Plus Grand que la Terre"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>La NASA a confirme\u0301 l\u2019existence d\u2019un nouveau plane\u0300te au-dela\u0300 de l\u2019orbite de Neptune, marquant une de\u0301couverte re\u0301volutionnaire en astronomie. Ce corps ce\u0301leste, d\u2019une masse estime\u0301e entre cinq et dix fois celle de la Terre, influence le comportement gravitationnel des objets transneptuniens (TNOs).<\/p>\n<p>De\u0301couvert par une e\u0301quipe dirige\u0301e par Konstantin Batygin de l\u2019Institut de Technologie de Californie, ce nouvel objet, distinct de Pluton, est de\u0301tecte\u0301 gra\u0302ce a\u0300 des anomalies gravitationnelles observe\u0301es dans les trajectoires des TNOs. Bien que son existence soit soutenue par des donne\u0301es solides, sa distance extre\u0302me du Soleil et sa faible re\u0301flexion lumineuse rendent son observation directe difficile avec les technologies actuelles.<\/p>\n<p>La NASA pre\u0301voit de de\u0301velopper un te\u0301lescope spe\u0301cialise\u0301 pour explorer ces re\u0301gions sombres et confirmer pleinement cette de\u0301couverte. Selon les crite\u0300res pour e\u0302tre conside\u0301re\u0301 comme plane\u0300te, ce corps doit posse\u0301der une masse suffisante et une orbite de\u0301gage\u0301e, des caracte\u0301ristiques absentes de Pluton, re\u0301trograde\u0301 en \u00ab\u00a0plane\u0300te naine\u00a0\u00bb en 2006.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Senegal<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. La NASA a confirme\u0301 l\u2019existence d\u2019un nouveau plane\u0300te au-dela\u0300 de l\u2019orbite de Neptune, marquant une de\u0301couverte re\u0301volutionnaire en astronomie. Ce corps ce\u0301leste, d\u2019une masse estime\u0301e entre cinq et dix fois celle de la Terre, influence le comportement gravitationnel des objets transneptuniens (TNOs). De\u0301couvert par une e\u0301quipe dirige\u0301e par Konstantin Batygin de l\u2019Institut [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":64542,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-64543","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Un Nouveau Plan\u00e8te Confirm\u00e9 dans le Syst\u00e8me Solaire, Plus Grand que la Terre - Senegal<\/title>\n<meta name=\"description\" content=\"La NASA a confirme\u0301 l\u2019existence d\u2019un nouveau plane\u0300te au-dela\u0300 de l\u2019orbite de Neptune, marquant une de\u0301couverte re\u0301volut ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un Nouveau Plan\u00e8te Confirm\u00e9 dans le Syst\u00e8me Solaire, Plus Grand que la Terre\" \/>\n<meta property=\"og:description\" content=\"La NASA a confirme\u0301 l\u2019existence d\u2019un nouveau plane\u0300te au-dela\u0300 de l\u2019orbite de Neptune, marquant une de\u0301couverte re\u0301volut ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-03T18:52:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-04T09:42:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/01\/sm_1735970934.211641.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1247\" \/>\n\t<meta property=\"og:image:height\" content=\"698\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Un Nouveau Plan\u00e8te Confirm\u00e9 dans le Syst\u00e8me Solaire, Plus Grand que la Terre\",\"datePublished\":\"2025-01-03T18:52:01+00:00\",\"dateModified\":\"2025-01-04T09:42:10+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre\"},\"wordCount\":216,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/01\/sm_1735970934.211641.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-nouveau-planete-confirme-dans-le-systeme-solaire-plus-grand-que-la-terre\",\"name\":\"Un Nouveau Plan\u00e8te Confirm\u00e9 dans le Syst\u00e8me Solaire, Plus Grand que la Terre - 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