{"id":61327,"date":"2024-03-26T14:28:14","date_gmt":"2024-03-26T14:28:14","guid":{"rendered":"https:\/\/www.africa-press.net\/tchad\/politique\/une-galaxie-sans-etoiles-decouverte-par-hasard"},"modified":"2024-03-26T14:42:23","modified_gmt":"2024-03-26T14:42:23","slug":"une-galaxie-sans-etoiles-decouverte-par-hasard","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/tchad\/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; Tchad. <\/strong><\/span>C&rsquo;est probablement la galaxie la plus sombre observe\u0301e. A\u0300 270 millions d&rsquo;anne\u0301es-lumie\u0300re, J0613+52 n&rsquo;est qu&rsquo;un amas de gaz d&rsquo;hydroge\u0300ne d&rsquo;une 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&rsquo;influence gravitationnelle de voisines pouvant provoquer l&rsquo;effondrement du gaz en e\u0301toiles.<\/p>\n<p><b>Tre\u0300s difficile a\u0300 observer<\/b><\/p>\n<p>Le fait qu&rsquo;elle ait e\u0301te\u0301 de\u0301couverte par hasard &#8211; a\u0300 cause d&rsquo;une erreur de frappe pointant le grand radiote\u0301lescope dans la mauvaise direction &#8211; 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&rsquo;Univers, 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\/tchad\">Tchad<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Tchad. C&rsquo;est probablement la galaxie la plus sombre observe\u0301e. A\u0300 270 millions d&rsquo;anne\u0301es-lumie\u0300re, J0613+52 n&rsquo;est qu&rsquo;un amas de gaz d&rsquo;hydroge\u0300ne d&rsquo;une 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&rsquo;influence gravitationnelle de [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":61326,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[37,292,29],"class_list":["post-61327","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-tchad","tag-tchad"],"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 - tchad<\/title>\n<meta name=\"description\" content=\"C&#039;est probablement la galaxie la plus sombre observe\u0301e. 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