{"id":206704,"date":"2026-08-10T00:34:09","date_gmt":"2026-08-10T00:34:09","guid":{"rendered":"https:\/\/www.europesays.com\/be-fr\/206704\/"},"modified":"2026-08-10T00:34:09","modified_gmt":"2026-08-10T00:34:09","slug":"des-astronomes-ont-observe-un-trou-noir-errant-en-train-de-dechiqueter-une-etoile","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/be-fr\/206704\/","title":{"rendered":"Des astronomes ont observ\u00e9 un trou noir errant en train de d\u00e9chiqueter une \u00e9toile"},"content":{"rendered":"<p class=\"bodytext\">Si les trous noirs supermassifs se trouvent g\u00e9n\u00e9ralement au centre des galaxies, certains sont situ\u00e9s ailleurs. R\u00e9cemment, <a href=\"https:\/\/www.notebookcheck.biz\/Des-astronomes-ont-observe-les-premiers-instants-d-x27-une-supernova-situee-a-500-millions-d-x27-annees-lumiere.1362213.0.html\" target=\"_self\" class=\"internal-link\" rel=\"nofollow noopener\">des astronomes<\/a> ont d\u00e9tect\u00e9 une \u00e9ruption lumineuse \u00e0 la p\u00e9riph\u00e9rie d\u2019une galaxie, provoqu\u00e9e par une \u00e9toile qui s\u2019\u00e9tait trop approch\u00e9e d\u2019un trou noir.&#13;<\/p>\n<p class=\"bodytext\">Cet objet c\u00e9leste a \u00e9t\u00e9 d\u00e9couvert pour la premi\u00e8re fois en novembre 2025 par le ZTF (Zwicky Transient Facility). Selon les astronomes, ce trou noir poss\u00e8de une masse un million de fois sup\u00e9rieure \u00e0 celle du Soleil et se trouve \u00e0 environ 750 millions d\u2019ann\u00e9es-lumi\u00e8re de <a href=\"https:\/\/www.notebookcheck.biz\/Cette-exoplanete-situee-a-environ-25-annees-lumiere-de-la-Terre-pourrait-etre-habitable.1338291.0.html\" target=\"_self\" class=\"internal-link\" rel=\"nofollow noopener\">la Terre<\/a>, dans la galaxie WISEA J014656.04-152214.7.&#13;<\/p>\n<p class=\"bodytext\">Au cours de cet \u00e9v\u00e9nement, la lumi\u00e8re \u00e9mise \u00e9tait plus brillante que celle de la galaxie h\u00f4te et 10 milliards de fois plus puissante que la lumi\u00e8re du Soleil. Et selon Robert Stein, chercheur \u00e0 l\u2019universit\u00e9 du Maryland, \u00e0 College Park, et au Goddard Space Flight Center de la NASA \u00e0 Greenbelt, dans le Maryland, ce ph\u00e9nom\u00e8ne a \u00e9t\u00e9 provoqu\u00e9 par une \u00e9toile d\u00e9chiquet\u00e9e par le trou noir :\u00a0<\/p>\n<p class=\"bodytext\">\u00ab Parmi le demi-million d\u2019\u00e9clats d\u00e9tect\u00e9s chaque nuit par ZTF, notre nouvel algorithme d\u2019intelligence artificielle a automatiquement identifi\u00e9 un sursaut qui ressemblait fortement \u00e0 un \u00e9v\u00e9nement de disruption mar\u00e9motrice, malgr\u00e9 son emplacement inhabituel \u00e0 la p\u00e9riph\u00e9rie d\u2019une galaxie. \u00bb<\/p>\n","protected":false},"excerpt":{"rendered":"Si les trous noirs supermassifs se trouvent g\u00e9n\u00e9ralement au centre des galaxies, certains sont situ\u00e9s ailleurs. R\u00e9cemment, des&hellip;\n","protected":false},"author":2,"featured_media":206705,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[70],"tags":[43021,43022,2681,3485,12,13,18,17,12658,8469,1918,10958,8467,1289,1921,1285,1287,1286,73,71,75,72,76,74,10444,1288,3106,17389,63785],"class_list":["post-206704","post","type-post","status-publish","format-standard","has-post-thumbnail","category-sciences-et-technologies","tag-actualites-scientifiques","tag-actualites-spatiales","tag-astronomie","tag-astrophysique","tag-be","tag-be-fr","tag-belgique","tag-belgium","tag-celeste","tag-cosmologie","tag-espace","tag-etoile","tag-galaxie","tag-informations-sur-des-ordinateurs-portatifs","tag-nasa","tag-nouvelles","tag-rapport","tag-revues","tag-science","tag-science-and-technology","tag-sciences","tag-sciences-et-technologies","tag-technologies","tag-technology","tag-telescope","tag-test","tag-trou-noir","tag-univers","tag-ztf"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@be_fr\/117068409504422681","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/posts\/206704","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/comments?post=206704"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/posts\/206704\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/media\/206705"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/media?parent=206704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/categories?post=206704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/tags?post=206704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}