{"id":12648,"date":"2024-03-26T12:00:49","date_gmt":"2024-03-26T12:00:49","guid":{"rendered":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/politique\/une-galaxie-sans-etoiles-decouverte-par-hasard"},"modified":"2024-03-27T23:22:07","modified_gmt":"2024-03-27T23:22:07","slug":"une-galaxie-sans-etoiles-decouverte-par-hasard","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/une-galaxie-sans-etoiles-decouverte-par-hasard","title":{"rendered":"Une galaxie sans \u00e9toiles d\u00e9couverte par hasard"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; S\u00e3o Tom\u00e9 e Pr\u00edncipe. <\/strong><\/span>C\u2019est probablement la galaxie la plus sombre observe\u0301e. A\u0300 270 millions d\u2019anne\u0301es-lumie\u0300re, J0613+52 n\u2019est qu\u2019un amas de gaz d\u2019hydroge\u0300ne d\u2019une masse e\u0301quivalent a\u0300 la moitie\u0301 de notre Voie lacte\u0301e. Les nuits y sont sans e\u0301toiles, ou presque, sans doute a\u0300 cause de son isolement relatif: elle ne subit pas l\u2019influence gravitationnelle de voisines pouvant provoquer l\u2019effondrement du gaz en e\u0301toiles.<\/p>\n<p><b>Tre\u0300s difficile a\u0300 observer<\/b><\/p>\n<p>Le fait qu\u2019elle ait e\u0301te\u0301 de\u0301couverte par hasard \u2013 a\u0300 cause d\u2019une erreur de frappe pointant le grand radiote\u0301lescope dans la mauvaise direction \u2013 par une e\u0301quipe internationale incluant un astronome de l\u2019Observatoire de Paris, sugge\u0300re que ce genre de galaxie noire est sans doute assez courant dans l\u2019Univers, mais tre\u0300s difficile a\u0300 observer.<\/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. C\u2019est probablement la galaxie la plus sombre observe\u0301e. A\u0300 270 millions d\u2019anne\u0301es-lumie\u0300re, J0613+52 n\u2019est qu\u2019un amas de gaz d\u2019hydroge\u0300ne d\u2019une masse e\u0301quivalent a\u0300 la moitie\u0301 de notre Voie lacte\u0301e. Les nuits y sont sans e\u0301toiles, ou presque, sans doute a\u0300 cause de son isolement relatif: elle ne subit pas [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":12647,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,55,56],"class_list":["post-12648","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>Une galaxie sans \u00e9toiles d\u00e9couverte par hasard - S\u00e3o Tom\u00e9 e Pr\u00edncipe<\/title>\n<meta name=\"description\" content=\"C\u2019est probablement la galaxie la plus sombre observe\u0301e. 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