{"id":12063,"date":"2024-02-22T20:44:33","date_gmt":"2024-02-22T20:44:33","guid":{"rendered":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/politique\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud"},"modified":"2024-02-23T00:21:56","modified_gmt":"2024-02-23T00:21:56","slug":"planetes-naines-une-surface-gelee-mais-un-coeur-chaud","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud","title":{"rendered":"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; S\u00e3o Tom\u00e9 e Pr\u00edncipe. <\/strong><\/span>Eris et Makemake sont deux plane\u0300tes naines situe\u0301es au-dela\u0300 de l\u2019orbite de Neptune, dans la ceinture de Kuiper pour la seconde et encore plus loin pour la premie\u0300re. Ces mondes gele\u0301s e\u0301taient conside\u0301re\u0301s comme morts, fige\u0301s depuis le moment de leur formation qui remonte au de\u0301but du syste\u0300me solaire, il y a 4,5 milliards d\u2019anne\u0301es.<\/p>\n<p>Mais de nouvelles observations de leur surface, re\u0301alise\u0301es avec le te\u0301lescope James Webb (JWST), indiquent que ce n\u2019est pas le cas.<\/p>\n<p><b>Du me\u0301thane \u201ccuit\u201d<\/b><\/p>\n<p>C\u2019est d\u2019ailleurs a\u0300 la recherche d\u2019un monde inerte qu\u2019est, au de\u0301part, parti Christopher Glein du Southwest Research Institute. Son but: identifier des mate\u0301riaux issus de la ne\u0301buleuse solaire primordiale sur la surface statique de ces plane\u0300tes naines. \u201cAu lieu de cela, le James Webb nous a re\u0301serve\u0301 une surprise ! Nous avons trouve\u0301 des preuves indiquant des processus thermiques produisant du me\u0301thane sur Eris et Makemake\u201d, s\u2019e\u0301tonne-t-il dans un communique\u0301.<\/p>\n<p>Avec son e\u0301quipe, il a e\u0301tudie\u0301 la composition de certaines substances volatiles en surface et en particulier le rapport deute\u0301rium\/hydroge\u0300ne dans le me\u0301thane. Et la signature de celui-ci n\u2019est pas, comme les scientifiques s\u2019y attendaient, semblable a\u0300 celui, primordial, des come\u0300tes.<\/p>\n<p>Au contraire, les donne\u0301es obtenues, publie\u0301es dans la revue Icarus, sugge\u0300rent que le me\u0301thane identifie\u0301 est relativement re\u0301cent et qu\u2019il a e\u0301te\u0301 produit, en partie, dans les profondeurs d\u2019Eris et Makemake.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"453\" height=\"462\" class=\"alignnone wp-image-12061 size-full\" src=\"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631277.800359.jpg\" srcset=\"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631277.800359.jpg 453w, https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631277.800359-294x300.jpg 294w\" sizes=\"auto, (max-width: 453px) 100vw, 453px\" \/><\/p>\n<p>La production de me\u0301thane interne signifie un noyau plane\u0301taire au c\u0153ur duquel se de\u0301roule des processus ge\u0301othermiques initie\u0301s par une source de chaleur qui peut-e\u0302tre localise\u0301 ou tre\u0300s e\u0301tendue selon les mode\u0300les envisage\u0301s (cf.sche\u0301ma ci-dessus).<\/p>\n<p>Cela implique e\u0301galement qu\u2019il doit exister un chemin pour que ce me\u0301thane puisse surgir a\u0300 la surface de ces plane\u0300tes naines: il est donc envisage\u0301 la pre\u0301sence de cryovolcans sur ces mondes.<\/p>\n<p><b>Une mission vers mondes lointains ?<\/b><\/p>\n<p>Ces cryovolcans ont de\u0301ja\u0300 e\u0301te\u0301 observe\u0301s sur des objets transneptuniens comme Pluton ou Ce\u0301re\u0300s. Et sur Eris et Makemake, ils pourraient avoir e\u0301te\u0301 actifs jusqu\u2019a\u0300 une pe\u0301riode ge\u0301ologique re\u0301cente puisque l\u2019analyse des isotopes du carbone de leur surface indique un remaniement re\u0301cent.<\/p>\n<p>Ces c\u0153urs chaud au centre de mondes glace\u0301s laissent e\u0301galement entrevoir l\u2019existence d\u2019un oce\u0301an de subsurface comme sur certaines lunes des plane\u0300tes ge\u0301antes du syste\u0300me solaire ou sur Pluton. Il faudra cependant plus de donne\u0301es et donc d\u2019observations avant de pouvoir l\u2019affirmer.<\/p>\n<p>Si tel e\u0301tait le cas, Eris puis Makemake seraient alors les objets, connus, les plus e\u0301loigne\u0301s du Soleil susceptibles d\u2019offrir des conditions favorables au de\u0301veloppement de la vie. \u201cApre\u0300s le survol du syste\u0300me Pluton par New Horizons et avec cette de\u0301couverte, la ceinture de Kuiper s\u2019ave\u0300re bien plus vivante en termes de mondes dynamiques que nous l\u2019aurions imagine\u0301\u201d, s\u2019enthousiasme Christopher Glein. \u201cIl n\u2019est pas trop to\u0302t pour commencer a\u0300 envisager d\u2019envoyer un vaisseau spatial survoler un autre de ces corps afin de placer les donne\u0301es du JWST dans un contexte ge\u0301ologique. Je crois que nous serons stupe\u0301faits par les merveilles qui nous attendent !\u201d<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/sao-tome-e-principe\">S\u00e3o Tom\u00e9 e Pr\u00edncipe<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; S\u00e3o Tom\u00e9 e Pr\u00edncipe. Eris et Makemake sont deux plane\u0300tes naines situe\u0301es au-dela\u0300 de l\u2019orbite de Neptune, dans la ceinture de Kuiper pour la seconde et encore plus loin pour la premie\u0300re. Ces mondes gele\u0301s e\u0301taient conside\u0301re\u0301s comme morts, fige\u0301s depuis le moment de leur formation qui remonte au de\u0301but du syste\u0300me solaire, [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":12062,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,55,56],"class_list":["post-12063","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-sao-tome-e-principe","tag-sao-tome-e-principe"],"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>Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud - S\u00e3o Tom\u00e9 e Pr\u00edncipe<\/title>\n<meta name=\"description\" content=\"Eris et Makemake sont deux plane\u0300tes naines situe\u0301es au-dela\u0300 de l\u2019orbite de Neptune, dans la ceinture de Kuiper pour la ...\" \/>\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\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud\" \/>\n<meta property=\"og:description\" content=\"Eris et Makemake sont deux plane\u0300tes naines situe\u0301es au-dela\u0300 de l\u2019orbite de Neptune, dans la ceinture de Kuiper pour la ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud\" \/>\n<meta property=\"og:site_name\" content=\"S\u00e3o Tom\u00e9 e Pr\u00edncipe\" \/>\n<meta property=\"article:published_time\" content=\"2024-02-22T20:44:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-02-23T00:21:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631285.501425.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"899\" \/>\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=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud\",\"datePublished\":\"2024-02-22T20:44:33+00:00\",\"dateModified\":\"2024-02-23T00:21:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud\"},\"wordCount\":622,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631285.501425.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-S\u00e3o Tom\u00e9 e Pr\u00edncipe\",\"S\u00e3o Tom\u00e9 e Pr\u00edncipe\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud\",\"url\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud\",\"name\":\"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud - S\u00e3o Tom\u00e9 e Pr\u00edncipe\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631285.501425.jpg\",\"datePublished\":\"2024-02-22T20:44:33+00:00\",\"dateModified\":\"2024-02-23T00:21:56+00:00\",\"author\":{\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"description\":\"Eris et Makemake sont deux plane\u0300tes naines situe\u0301es au-dela\u0300 de l\u2019orbite de Neptune, dans la ceinture de Kuiper pour la ...\",\"breadcrumb\":{\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#primaryimage\",\"url\":\"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631285.501425.jpg\",\"contentUrl\":\"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631285.501425.jpg\",\"width\":1200,\"height\":899,\"caption\":\"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/#website\",\"url\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/\",\"name\":\"S\u00e3o Tom\u00e9 e Pr\u00edncipe\",\"description\":\"Just another Africa News Agency Sites site\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\",\"name\":\"cfeditorfr\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud - S\u00e3o Tom\u00e9 e Pr\u00edncipe","description":"Eris et Makemake sont deux plane\u0300tes naines situe\u0301es au-dela\u0300 de l\u2019orbite de Neptune, dans la ceinture de Kuiper pour la ...","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud","og_locale":"fr_FR","og_type":"article","og_title":"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud","og_description":"Eris et Makemake sont deux plane\u0300tes naines situe\u0301es au-dela\u0300 de l\u2019orbite de Neptune, dans la ceinture de Kuiper pour la ...","og_url":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud","og_site_name":"S\u00e3o Tom\u00e9 e Pr\u00edncipe","article_published_time":"2024-02-22T20:44:33+00:00","article_modified_time":"2024-02-23T00:21:56+00:00","og_image":[{"width":1200,"height":899,"url":"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631285.501425.jpg","type":"image\/jpeg"}],"author":"cfeditorfr","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"cfeditorfr","Dur\u00e9e de lecture estim\u00e9e":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#article","isPartOf":{"@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud"},"author":{"name":"cfeditorfr","@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1"},"headline":"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud","datePublished":"2024-02-22T20:44:33+00:00","dateModified":"2024-02-23T00:21:56+00:00","mainEntityOfPage":{"@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud"},"wordCount":622,"commentCount":0,"image":{"@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#primaryimage"},"thumbnailUrl":"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631285.501425.jpg","keywords":["Africa Press","Africa Press-S\u00e3o Tom\u00e9 e Pr\u00edncipe","S\u00e3o Tom\u00e9 e Pr\u00edncipe"],"articleSection":["Divers","Toutes les actualit\u00e9s"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud","url":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud","name":"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud - S\u00e3o Tom\u00e9 e Pr\u00edncipe","isPartOf":{"@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#primaryimage"},"image":{"@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#primaryimage"},"thumbnailUrl":"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631285.501425.jpg","datePublished":"2024-02-22T20:44:33+00:00","dateModified":"2024-02-23T00:21:56+00:00","author":{"@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1"},"description":"Eris et Makemake sont deux plane\u0300tes naines situe\u0301es au-dela\u0300 de l\u2019orbite de Neptune, dans la ceinture de Kuiper pour la ...","breadcrumb":{"@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#primaryimage","url":"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631285.501425.jpg","contentUrl":"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2024\/02\/sm_1708631285.501425.jpg","width":1200,"height":899,"caption":"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud"},{"@type":"BreadcrumbList","@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/planetes-naines-une-surface-gelee-mais-un-coeur-chaud#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/"},{"@type":"ListItem","position":2,"name":"Plan\u00e8tes naines : une surface gel\u00e9e mais un c\u0153ur chaud"}]},{"@type":"WebSite","@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/#website","url":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/","name":"S\u00e3o Tom\u00e9 e Pr\u00edncipe","description":"Just another Africa News Agency Sites site","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1","name":"cfeditorfr"}]}},"_links":{"self":[{"href":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/wp-json\/wp\/v2\/posts\/12063","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/wp-json\/wp\/v2\/users\/82"}],"replies":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/wp-json\/wp\/v2\/comments?post=12063"}],"version-history":[{"count":0,"href":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/wp-json\/wp\/v2\/posts\/12063\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/wp-json\/wp\/v2\/media\/12062"}],"wp:attachment":[{"href":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/wp-json\/wp\/v2\/media?parent=12063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/wp-json\/wp\/v2\/categories?post=12063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/wp-json\/wp\/v2\/tags?post=12063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}