\n“Este cea mai mic\u0103 galaxie \u015fi cea mai str\u0103lucitoare dintre cele cunoscute \u015fi care are \u00een centrul ei o gaur\u0103 neagr\u0103 super-masiv\u0103”, a declarat Anil Seth, principalul autor al studiului, transmite AFP.<\/p>\n
\nAceast\u0103 descoperire \u00eei face pe oamenii de \u015ftiin\u0163\u0103 s\u0103 cread\u0103 c\u0103 multe alte galaxii pitice ultra-compacte pot con\u0163ine la r\u00e2ndul lor g\u0103uri negre uria\u015fe, iar astfel de structuri cosmice ar putea fi \u00eent\u00e2lnite mult mai frecvent dec\u00e2t se credea anterior.<\/strong><\/p>\n \nG\u0103urile negre super-masive au o mas\u0103 de cel pu\u0163in 1 milion de ori mai mare dec\u00e2t masa Soarelui.<\/p>\n \nGaura neagr\u0103 descoperit\u0103 \u00een centrul galaxiei M60-UCD1 cu ajutorul observatorului astronomic Gemini \u015fi al telescopului spa\u0163ial Hubble are o mas\u0103 echivalent\u0103 cu 21 de milioane de mase solare. Ea reprezint\u0103 15% din masa total\u0103 a galaxiei care o g\u0103zduie\u015fte (de 140 de milioane de ori mai mare dec\u00e2t Soarele).<\/p>\n \nPrin compara\u0163ie, gaura neagr\u0103 super-masiv\u0103 din galaxia noastr\u0103, Calea Lactee, are o mas\u0103 de cinci ori mai mic\u0103, fiind de 4 milioane de ori mai mare dec\u00e2t masa Soarelui. Masa ei reprezint\u0103 doar 0,01% din masa total\u0103 a C\u0103ii Lactee, estimat\u0103 la 50 miliarde de mase solare.<\/p>\n \nG\u0103uri negre super-masive au fost deja descoperite \u015fi \u00een alte galaxii pitice. “Totu\u015fi, M60-UCD1 se eviden\u0163iaz\u0103 \u00een mod categoric, \u00eentruc\u00e2t este foarte compact\u0103, iar gaura ei neagr\u0103 este foarte masiv\u0103”, a subliniat Amy Reines, profesor la Universitatea Michigan din Statele Unite, \u00eentr-un editorial publicat \u00een revista Nature.<\/strong><\/p>\n \nAstronomii au propus deja un scenariu pentru a explica uimitoarea descoperire a lor. Ei cred c\u0103 galaxia pitic\u0103 M60-UCD1, situat\u0103 \u00een constela\u0163ia Fecioarei, la o distan\u0163\u0103 de aproximativ 54 milioane de ani-lumin\u0103 de Terra, ar fi putut fi o galaxie mult mai mare, “cu peste 10 miliarde de stele”, \u015fi o gaur\u0103 neagr\u0103 propor\u0163ional de mare. \u00cens\u0103 ea ar fi fost “jefuit\u0103” de toate stelele de la marginea ei de o galaxie apropiat\u0103, mult mai mare, M60.<\/p>\n \n“S-a \u00eent\u00e2mplat probabil \u00een urm\u0103 cu 10 miliarde de ani. Nu putem \u015fti cu siguran\u0163\u0103”, a declarat Anil Seth.<\/p>\n \nGaura neagr\u0103 super-masiv\u0103 aflat\u0103 \u00een centrul galaxiei M60 este la r\u00e2ndul ei “un monstru”, a c\u0103rui mas\u0103 este de 4,5 miliarde de ori mai mare dec\u00e2t cea a Soarelui.<\/p>\n","protected":false},"excerpt":{"rendered":" O gaur\u0103 neagr\u0103 super-masiv\u0103, \u00eenzestrat\u0103 cu o mas\u0103 de 21 de milioane de ori mai mare dec\u00e2t cea a Soarelui, a fost descoperit\u0103 \u00een centrul unei galaxii pitice ultra-compacte, denumit\u0103 M60-UCD1, a anun\u0163at, miercuri, o echip\u0103 interna\u0163ional\u0103 de astronomi, al c\u0103rei studiu a ap\u0103rut \u00een revista Nature.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[510],"tags":[24096,24079],"class_list":["post-111904","post","type-post","status-publish","format-standard","hentry","category-actualitate","tag-galaxie","tag-gaura-neagra"],"_links":{"self":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/posts\/111904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=111904"}],"version-history":[{"count":0,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/posts\/111904\/revisions"}],"wp:attachment":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=111904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=111904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=111904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}