G\u00fcne\u015f’in 5 Milyar parlakl\u0131\u011f\u0131 kadar<\/span><\/h2>\nBu reaksiyonun kuvveti y\u0131ld\u0131z\u0131 par\u00e7alara ay\u0131r\u0131yor. Ve NASA, bu anda sal\u0131nan enerjinin 5 milyar G\u00fcne\u015f’in parlakl\u0131\u011f\u0131na e\u015fde\u011fer oldu\u011funu s\u00f6yl\u00fcyor.<\/p>\n
SN 2018gv olarak s\u0131n\u0131fland\u0131r\u0131lan bu \u00f6zel s\u00fcpernova, 2018 Ocak ortas\u0131nda amat\u00f6r g\u00f6zlemci Koichi Itagaki taraf\u0131ndan, NGC 2525 sarmal galaksisinde saptand\u0131.<\/p>\n
S\u00fcpernova, bilim insanlar\u0131n\u0131n evrenin geni\u015fleme oran\u0131n\u0131 izlemesine yard\u0131m etmek i\u00e7in \u015fubat ay\u0131ndan beri Hubble teleskopuyla kaydediliyor.<\/p>\n
H\u0131zland\u0131r\u0131lm\u0131\u015f \u00e7ekimlerde bilim insanlar\u0131, s\u00fcpernovay\u0131 \u0131\u015f\u0131l \u0131\u015f\u0131l parlayan bir y\u0131ld\u0131z olarak galaksi s\u0131n\u0131r\u0131n\u0131n yak\u0131n\u0131nda g\u00f6rebildi. G\u00f6zden kaybolmadan \u00f6nce s\u00fcpernova, h\u0131zl\u0131ca galaksideki en parlak cisim haline geldi.<\/p>\n
Uzay Teleskop Bilim Enstit\u00fcs\u00fc (STScI) ve Johns Hopkins \u00dcniversitesi’nden Adam Riess, yapt\u0131\u011f\u0131 a\u00e7\u0131klamada, “Hi\u00e7bir D\u00fcnyevi havai fi\u015fek g\u00f6sterisi, Hubble Uzay Teleskobu’nun solan g\u00f6rkemini kaydetti\u011fi bu s\u00fcpernovayla yar\u0131\u015famaz” ifadelerini kulland\u0131.<\/p>\n
Bu tip s\u00fcpernovalar\u0131n hepsi ayn\u0131 parlakl\u0131kta doru\u011fa ula\u015f\u0131yor. O y\u00fczden bunlar, “standart mumlar” olarak biliniyor.<\/p>\n
NASA bu durumun, s\u00f6z konusu cisimlerin “kozmik mezura” gibi davranmas\u0131ndan kaynakland\u0131\u011f\u0131n\u0131 s\u00f6yl\u00fcyor. G\u00f6kbilimciler, s\u00fcpernovan\u0131n parlakl\u0131\u011f\u0131yla ilgili verinin sabit olmas\u0131yla birlikte ev sahibi galaksilerin uzakl\u0131\u011f\u0131n\u0131 hesaplayabiliyor.<\/p>\n
Bu da bilim insanlar\u0131n\u0131n evrenin geni\u015fleme oran\u0131n\u0131 hesaplamas\u0131na olanak sa\u011fl\u0131yor.<\/p>\n
Hubble Uzay Teleskobu, may\u0131sta 30 ya\u015f\u0131na bast\u0131. Teleskobun \u00e7ekti\u011fi ilk foto\u011fraf, geni\u015f alan kameras\u0131ndan yakalad\u0131\u011f\u0131 HD96755 \u00e7ift y\u0131ld\u0131z\u0131n\u0131n siyah beyaz g\u00f6r\u00fcnt\u00fcs\u00fcyd\u00fc.<\/p>\n
A\u011fustosta teleskop, tam Ay tutulmas\u0131n\u0131n ilk g\u00f6zlemini yapt\u0131. Bu hem tam Ay tutulmas\u0131n\u0131n bir uzay teleskobundan ilk g\u00f6r\u00fcnt\u00fclenmesi hem de mor\u00f6tesi dalgalarla ilk kez \u00e7al\u0131\u015f\u0131lmas\u0131 oldu.<\/p>\n
Bilim insanlar\u0131 bu verileri, G\u00fcne\u015f d\u0131\u015f\u0131 gezegenleri incelemede kullanabilmeyi ve b\u00f6ylece D\u00fcnya d\u0131\u015f\u0131 ya\u015famla y\u0131ld\u0131zlararas\u0131 seyahate dair anlay\u0131\u015f\u0131m\u0131z\u0131 geli\u015ftirmeyi umuyor.<\/p>\n","protected":false},"excerpt":{"rendered":"
E\u015f y\u0131ld\u0131z\u0131ndan madde toplayan bir beyaz c\u00fccede meydana gelen bu nadir olay, ev sahibi galaksinin t\u00fcm\u00fcn\u00fc g\u00f6lgede b\u0131rakt\u0131. Independent T\u00fcrk\u00e7e’nin aktard\u0131\u011f\u0131na g\u00f6re; bir beyaz c\u00fcce, hayat d\u00f6ng\u00fcs\u00fcn\u00fcn sonuna yakla\u015fan, dejenere y\u0131ld\u0131zd\u0131r. Y\u0131ld\u0131z, n\u00fckleer yak\u0131t\u0131n\u0131 t\u00fcketti\u011fi zaman d\u0131\u015f maddesini at\u0131p 100 bin Kelvin’i a\u015fan s\u0131cakl\u0131klara ula\u015f\u0131yor. Beyaz c\u00fcce kritik k\u00fctleye ula\u015ft\u0131\u011f\u0131nda, \u00e7ekirde\u011fi, onu gezegen b\u00fcy\u00fckl\u00fc\u011f\u00fcnde bir […]<\/p>\n","protected":false},"author":23,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[506],"tags":[],"class_list":["post-142056","post","type-post","status-publish","format-standard","hentry","category-astronomi"],"acf":[],"yoast_head":"\n
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