{"id":54723,"date":"2022-05-15T15:14:42","date_gmt":"2022-05-15T12:14:42","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=54723"},"modified":"2022-05-15T15:14:42","modified_gmt":"2022-05-15T12:14:42","slug":"gokadamizin-merkezindeki-karadelik-sgr-a-ilk-kez-goruntulendi","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2022\/05\/15\/gokadamizin-merkezindeki-karadelik-sgr-a-ilk-kez-goruntulendi","title":{"rendered":"G\u00f6kadam\u0131z\u0131n merkezindeki karadelik Sgr A* ilk kez g\u00f6r\u00fcnt\u00fclendi"},"content":{"rendered":"

“Karanl\u0131k yaz ak\u015famlar\u0131nda g\u00f6ky\u00fcz\u00fcn\u00fc dolduran, y\u0131ld\u0131z\u0131m\u0131z\u0131 i\u00e7inde bar\u0131nd\u0131ran yuvam\u0131z. Tam kalbinde bulunan Yay(Sagittarius) tak\u0131my\u0131ld\u0131z\u0131na do\u011fru giderken Sagittarius A*’\u0131 bulursunuz; Samanyolu’nun merkezinde bulundan y\u00fcksek k\u00fctleli karadelik… Ony\u0131llard\u0131r g\u00f6kbilimcilerin tonlarca \u00e7al\u0131\u015fmas\u0131n\u0131n ana konusu haline gelmi\u015f bir nesne… Bu g\u00f6r\u00fcnmez nokta etraf\u0131nda d\u00f6nen y\u0131ld\u0131zlar bize orada inan\u0131lmaz y\u00fcksek k\u00fctleli bir \u015feyin varl\u0131\u011f\u0131n\u0131 haber ediyor, G\u00fcne\u015f’in 4 milyon kat\u0131 a\u011f\u0131rl\u0131kta, \u00e7ok s\u00f6n\u00fck bir \u015fey. Ben ilk kez 20 y\u0131l \u00f6nce kendisiyle tan\u0131\u015ft\u0131m, bay\u0131ld\u0131m ve o g\u00fcnden beri ne oldu\u011funu anlamak i\u00e7in \u00e7al\u0131\u015ft\u0131m. Fakat \u015fu g\u00fcne kadar Sgr A*’\u0131n ger\u00e7ekten bir karadelik oldu\u011funu kan\u0131tlayan bir g\u00f6r\u00fcnt\u00fcye sahip de\u011fildik. Bug\u00fcn, Olay Ufku Teleskobu, g\u00f6kadam\u0131z\u0131n merkezindeki kibar dev Sgr A*’\u0131n \u00e7ekilmi\u015f ilk g\u00f6r\u00fcnt\u00fcs\u00fcn\u00fc sunmaktan gurur duyuyor.<\/em>”<\/p>\n

Bu s\u00f6zler, d\u00fczenlenen bas\u0131n toplant\u0131s\u0131nda Olay Ufku Teleskobu(Event Horizon Telescope; EHT) Kolobarasyonu ad\u0131na konu\u015fma yapan Arizona \u00dcniversitesi’nden profes\u00f6r Feryal \u00d6zel’e ait. T\u00fcm d\u00fcnyadan g\u00f6kbilimcilerin uzunca s\u00fcredir bekledi\u011fi b\u00fcy\u00fck ke\u015fif, yenilerine de gebe oldu\u011funu g\u00f6steriyor. \u00d6yle ki, insanl\u0131k karadeliklerin yap\u0131lar\u0131n\u0131 a\u00e7\u0131klamada yepyeni bir kap\u0131y\u0131 aralad\u0131\u011f\u0131n\u0131 s\u00f6ylemek abart\u0131 olmaz.<\/p>\n

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EHT’nin yay\u0131nlad\u0131\u011f\u0131 ilk karadelik g\u00f6r\u00fcnt\u00fcs\u00fc olan M87*(Solda), Sgr A*(Sa\u011fda) ile birlikte. (\u00d6l\u00e7ekli g\u00f6r\u00fcnt\u00fcler de\u011fildir)<\/figcaption><\/figure>\n

Bilimin \u00e7ehresini de\u011fi\u015ftiren ilk a\u00e7\u0131klama 2019’da ger\u00e7ekle\u015fti D\u00fcnya’n\u0131n d\u00f6rt bir yan\u0131ndan 8 adet, her birinde onlarca teleskop bulunan dev g\u00f6zlemevleri arac\u0131l\u0131\u011f\u0131yla D\u00fcnya’n\u0131n d\u00f6nmesine ra\u011fmen daima g\u00f6r\u00fcnt\u00fc elde etmeye devam biliminsan\u0131 a\u011f\u0131yla y\u0131llarca \u00f6l\u00e7\u00fcm alan EHT, M87 g\u00f6kadas\u0131n\u0131n merkezindeki devasa karadeli\u011fin foto\u011fraf\u0131n\u0131 \u00e7ekmeyi ba\u015farm\u0131\u015ft\u0131. Fakat bu ola\u011fan\u00fcst\u00fc miktarlarda zorlay\u0131c\u0131 ve devrimci bulu\u015f o an yeni do\u011fan “karadelik foto\u011fraf\u0131 \u00e7ekme” bilimi i\u00e7in g\u00f6rece kolay bir i\u015fti \u00e7\u00fcnk\u00fc M87* karadeli\u011fi do\u011frudan D\u00fcnya’ya do\u011fru bakan ve oran\u0131 ba\u015fka karadelik adaylar\u0131na g\u00f6re de \u00e7ok daha b\u00fcy\u00fckt\u00fc. Dolay\u0131s\u0131yla EHT i\u00e7in esas s\u0131nav g\u00f6kadam\u0131z Samanyolu’nun merkezindeki y\u00fcksek k\u00fctleli karadeli\u011fin foto\u011fraf\u0131n\u0131 \u00e7ekmekti denebilir zira Sgr A* bize do\u011fru d\u00f6n\u00fck de\u011fil ve bu sebeple ona bakt\u0131\u011f\u0131m\u0131z y\u00f6nde bolca opak maddeyle kar\u015f\u0131la\u015f\u0131yoruz. Bu a\u015famadan sonra yeni karadelik foto\u011fraflar\u0131yla kar\u015f\u0131la\u015fmak \u015fa\u015f\u0131rt\u0131c\u0131 olmayacak ve ortaya \u00e7\u0131kan yeni g\u00f6kbilim alan\u0131 pek\u00e7ok ara\u015ft\u0131rma ile ke\u015fife gece oldu\u011fu da s\u00f6ylenebilir.<\/p>\n

\u0130ngilizce bas\u0131n a\u00e7\u0131klamas\u0131n\u0131n tamam\u0131na a\u015fa\u011f\u0131daki ba\u011flant\u0131dan ula\u015fabilirsiniz.<\/p>\n