{"id":48717,"date":"2018-11-11T21:30:21","date_gmt":"2018-11-11T19:30:21","guid":{"rendered":"https:\/\/osr.org\/?p=48717\/"},"modified":"2018-11-11T21:30:21","modified_gmt":"2018-11-11T19:30:21","slug":"bir-karadelik-bulundu","status":"publish","type":"post","link":"https:\/\/osr.org\/tr\/blog\/astronomi\/bir-karadelik-bulundu\/","title":{"rendered":"Bir karadelik bulundu"},"content":{"rendered":"

Kara delikler y\u0131llard\u0131r bilim adamlar\u0131n\u0131n \u00e7\u00f6zebilmek i\u00e7in yo\u011fun \u00e7aba harcad\u0131\u011f\u0131 konular\u0131n ba\u015f\u0131nda geliyor. I\u015f\u0131\u011f\u0131n bile ka\u00e7amad\u0131\u011f\u0131 kara delikler ad\u0131 \u00fczerinde tamamen siyah oldu\u011fu i\u00e7in g\u00f6r\u00fcnt\u00fclemek olduk\u00e7a zor. Bir grup astronom farkl\u0131 bir \u015fekilde de olsa ilk kez kara deli\u011fi foto\u011fraflad\u0131\u011f\u0131n\u0131 ifade ediyor.<\/p>\n

Bilindi\u011fi \u00fczere galaksimizin tam ortas\u0131nda yer alan ve Sagittarius A olarak adland\u0131r\u0131lan radyo kaynaklar\u0131 uzun s\u00fcredir ara\u015ft\u0131r\u0131l\u0131yor. Bu isim ise g\u00f6ky\u00fcz\u00fcnde Sagittarius ile Scorpius tak\u0131my\u0131ld\u0131zlar\u0131n\u0131n yan\u0131nda olmas\u0131ndan dolay\u0131 verilmi\u015f.<\/p>\n

Bu kaynaklar\u0131n i\u00e7erisinde ise Sagittarius A* nesnesinin s\u00fcper k\u00fctleli bir kara delik oldu\u011fu d\u00fc\u015f\u00fcn\u00fcl\u00fcyordu. Galaksideki y\u0131ld\u0131zlar\u0131 bir arada tutan yer \u00e7ekiminin kayna\u011f\u0131 oldu\u011funa inan\u0131lan Sagittarius A* ile ilgili bug\u00fcne kadar radyo dalgalar\u0131 ile \u00f6l\u00e7\u00fcmler yap\u0131labiliyordu.<\/p>\n

Sagittarius A* kara deli\u011finin 4.4 milyon G\u00fcne\u015f k\u00fctlesinde ve bizden 26 bin \u0131\u015f\u0131k y\u0131l\u0131 uzakta oldu\u011fu tahmin ediliyor. Astronomlar 16 y\u0131lda bir kara deli\u011fin y\u00f6r\u00fcngesini tamamlayan S2 y\u0131ld\u0131z\u0131n\u0131 izlerken ilgin\u00e7 bir olay fark etmi\u015f.<\/p>\n

Donan\u0131mhaber’e g\u00f6re, Sagittarius A* kara deli\u011finin etraf\u0131nda \u0131\u015f\u0131k h\u0131z\u0131n\u0131n y\u00fczde 30’u kadar bir h\u0131zla d\u00f6nen s\u00fcper s\u0131cak gaz k\u00fctleleri g\u00f6r\u00fcnt\u00fclenmi\u015f. Yukar\u0131da da belirtti\u011fimiz gibi kara deli\u011fin simsiyah olmas\u0131 nedeniyle etraf\u0131n\u0131 saran Event Horizon \u2013 Olay Ufku’nun foto\u011fraf\u0131 \u00e7ekilemiyor. Sadece i\u00e7ine \u00e7ekmeden \u00f6nce \u00e7evresinde d\u00f6nen gaz k\u00fctleleri yaz\u0131m\u0131z\u0131n konusu.<\/p>\n

Y\u00fcksek h\u0131zda giden gaz k\u00fctleleri atomlar\u0131n birbirine s\u00fcrtmesiyle \u0131s\u0131narak g\u00fc\u00e7l\u00fc X-\u0131\u015f\u0131nlar\u0131 yay\u0131yor. Astronomlar bu \u0131\u015f\u0131nlar\u0131n foto\u011fraf\u0131n\u0131 \u00e7ekerek sim\u00fclasyonlar olu\u015fturmu\u015flar. Bu derece dar ve h\u0131zl\u0131 bir y\u00f6r\u00fcngeye sahip olmas\u0131n\u0131 da Sagittarius A*’n\u0131n s\u00fcper k\u00fctleli bir kara delik oldu\u011funa dair en \u00f6nemli delil olarak kabul etmi\u015fler.<\/p>\n

\u00d6l\u00e7\u00fcmler \u015eili’deki 4 teleskopun birlikte hareket etti\u011fi \u00c7ok B\u00fcy\u00fck Teleskop \u2013 VLT ile yap\u0131l\u0131yor. Gravity yaz\u0131l\u0131m\u0131 ise 10 metre \u00e7ap\u0131nda aynas\u0131 olan teleskoplar\u0131n toplad\u0131\u011f\u0131 \u0131\u015f\u0131\u011f\u0131 birle\u015ftirerek 130 metre \u00e7ap\u0131nda dev bir sanal ayna olu\u015fturuyor. I\u015f\u0131nlar\u0131 yakalayan da Gravity yaz\u0131l\u0131m\u0131 olmu\u015f.<\/p>\n

Event Horizon ad\u0131nda d\u00fcnyadaki t\u00fcm teleskoplar\u0131 yaz\u0131l\u0131m ile birle\u015ftirerek Sagittarius A* kara deli\u011fini g\u00f6zlemleyen devasa bir sanal teleskop daha mevcut ancak ilk foto\u011fraflama ba\u015far\u0131s\u0131n\u0131 Gravity g\u00f6sterdi. Elde edilen veriler kara deliklerin fiziklerini ve uzay\u0131 nas\u0131l b\u00fckt\u00fcklerini anlamak a\u00e7\u0131s\u0131ndan \u00f6nem ta\u015f\u0131yor.<\/p>\n","protected":false},"excerpt":{"rendered":"

Kara delikler y\u0131llard\u0131r bilim adamlar\u0131n\u0131n \u00e7\u00f6zebilmek i\u00e7in yo\u011fun \u00e7aba harcad\u0131\u011f\u0131 konular\u0131n ba\u015f\u0131nda geliyor. I\u015f\u0131\u011f\u0131n bile ka\u00e7amad\u0131\u011f\u0131 kara delikler ad\u0131 \u00fczerinde tamamen siyah oldu\u011fu i\u00e7in g\u00f6r\u00fcnt\u00fclemek olduk\u00e7a zor. Bir grup astronom farkl\u0131 bir \u015fekilde de olsa ilk kez kara deli\u011fi foto\u011fraflad\u0131\u011f\u0131n\u0131 ifade ediyor. Bilindi\u011fi \u00fczere galaksimizin tam ortas\u0131nda yer alan ve Sagittarius A olarak adland\u0131r\u0131lan radyo […]<\/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-48717","post","type-post","status-publish","format-standard","hentry","category-astronomi"],"acf":[],"yoast_head":"\nBir karadelik bulundu - Online Star Register<\/title>\n<meta name=\"description\" content=\"Karadelikler ve y\u0131ld\u0131zlar... Her g\u00fcn yenisi ekleniyor\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/osr.org\/tr\/blog\/astronomi\/bir-karadelik-bulundu\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bir karadelik bulundu - Online Star Register\" \/>\n<meta property=\"og:description\" content=\"Karadelikler ve y\u0131ld\u0131zlar... 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