{"id":36303,"date":"2019-08-27T03:20:48","date_gmt":"2019-08-27T00:20:48","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=36303"},"modified":"2019-08-26T17:23:15","modified_gmt":"2019-08-26T14:23:15","slug":"karadelik-notron-yildizi-carpismasi-ilk-defa-gozlemlendi","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2019\/08\/27\/karadelik-notron-yildizi-carpismasi-ilk-defa-gozlemlendi","title":{"rendered":"Karadelik-n\u00f6tron y\u0131ld\u0131z\u0131 \u00e7arp\u0131\u015fmas\u0131 ilk defa g\u00f6zlemlendi"},"content":{"rendered":"

Neredeyse 900 milyon y\u0131l \u00f6nce, bir karadelik ve bir n\u00f6tron y\u0131ld\u0131z\u0131 birbirlerine \u00e7arparak uzay-zaman boyunca \u015fok dalgalar\u0131n\u0131n olu\u015fmas\u0131na neden oldular. 14 A\u011fustos g\u00fcn\u00fc, bu yer\u00e7ekimi dalgalar\u0131 D\u00fcnya \u00fczerinde alg\u0131land\u0131. Bu dalgalar, Amerika\u2019da bulunan LIGO g\u00f6zlemevindeki dedekt\u00f6rler ile \u0130talya\u2019daki Virgo dedekt\u00f6r\u00fc taraf\u0131ndan topland\u0131.<\/p>\n

Canberra\u2019da bulunan Avustralya Ulusal \u00dcniversitesi\u2019nde teorik fizik alan\u0131nda \u00e7al\u0131\u015fma y\u00fcr\u00fcten Susan Scott, \u201cBir n\u00f6tron y\u0131ld\u0131z\u0131n\u0131 yutan bir karadelik tespit etti\u011fimizden eminiz\u201d a\u00e7\u0131klamalar\u0131nda bulundu. E\u011fer bu g\u00f6zlem do\u011frulan\u0131rsa ara\u015ft\u0131rmac\u0131lar, LIGO ilk tasarland\u0131\u011f\u0131 zaman tespit etmeyi planlad\u0131klar\u0131 olaylar\u0131n \u00fc\u00e7l\u00fc s\u0131ralamas\u0131n\u0131 tamamlam\u0131\u015f olacaklar. Bunlar; iki karadeli\u011fin \u00e7arp\u0131\u015fmas\u0131, ikili n\u00f6tron y\u0131ld\u0131z\u0131 sistemi ve bir karadelik ile bir n\u00f6tron y\u0131ld\u0131z\u0131n\u0131n birle\u015fmesi.<\/p>\n

LIGO\u2019da \u00e7al\u0131\u015fma y\u00fcr\u00fcten ara\u015ft\u0131rmac\u0131lar, Nisan ay\u0131nda yapt\u0131klar\u0131 \u00e7al\u0131\u015fmada karadelik-n\u00f6tron y\u0131ld\u0131z\u0131 birle\u015fmesini g\u00f6zlemleyebileceklerini d\u00fc\u015f\u00fcnd\u00fcler. Ancak ara\u015ft\u0131rmac\u0131lar daha sonra, bu g\u00f6zlemin yery\u00fcz\u00fc k\u00f6kenli bir zemin g\u00fcr\u00fclt\u00fcs\u00fc sinyali nedeniyle engellenebilece\u011fini fark etti. Bu seferki \u00e7al\u0131\u015fmada ise ara\u015ft\u0131rmac\u0131lar, sinyalin D\u00fcnya\u2019n\u0131n \u00f6tesinde bir b\u00f6lgeden geldi\u011finden eminler. Konuya dair a\u00e7\u0131klamalar\u0131na devam eden Scott, \u201c\u0130kili birle\u015fime uyumlu olmalar\u0131 ve k\u00fctle kar\u015f\u0131la\u015ft\u0131rmalar\u0131 da g\u00f6steriyor ki, bir karadelik-n\u00f6tron y\u0131ld\u0131z\u0131 birle\u015fimi g\u00f6zlemledik\u201d dedi.<\/p>\n

\"\"
2017 y\u0131l\u0131nda g\u00f6zlemlenen iki n\u00f6tron y\u0131ld\u0131z\u0131n\u0131n \u00e7arp\u0131\u015fmas\u0131 olay\u0131<\/figcaption><\/figure>\n

D\u00fcnyan\u0131n d\u00f6rt bir yan\u0131nda \u00e7al\u0131\u015fma y\u00fcr\u00fcten biliminsanlar\u0131, s\u00f6z konusu iki nesnenin kimli\u011fini do\u011frulamak i\u00e7in baz\u0131lar\u0131 h\u00e2l\u00e2 devam eden \u00e7e\u015fitli ara\u015ft\u0131rmalar y\u00fcr\u00fctt\u00fcler. Bu g\u00f6zlemdeki nesnelerin b\u00fcy\u00fckl\u00fckleri g\u00f6z \u00f6n\u00fcne al\u0131nd\u0131\u011f\u0131nda, ara\u015ft\u0131rmac\u0131lar b\u00fcy\u00fck k\u00fctleli olan cismin bir karadelik oldu\u011funda hemfikir. Ayn\u0131 \u015fekilde k\u00fctleler \u00fczerinden yap\u0131lan incelemeye g\u00f6re, k\u00fc\u00e7\u00fck k\u00fctleli olan cisim ise bir n\u00f6tron y\u0131ld\u0131z\u0131. Scott konuya dair bir soru i\u015faretini ifade ederek, \u201cUzak bir ihtimal ama k\u00fc\u00e7\u00fck k\u00fctleli olan cisim, olduk\u00e7a hafif bir karadelik de olabilir. E\u011fer \u00f6yleyse bug\u00fcne kadar g\u00f6zlemledi\u011fimiz en hafif karadelik olacakt\u0131r. Bu noktada bizim yapmam\u0131z gereken \u00e7al\u0131\u015fma ise karadeli\u011fin spiralin i\u00e7inde bir n\u00f6tron y\u0131ld\u0131z\u0131 gibi davran\u0131p davranmad\u0131\u011f\u0131n\u0131 ara\u015ft\u0131rmak olacakt\u0131r\u201d dedi.<\/p>\n

LIGO\u2019da s\u00fcren ara\u015ft\u0131rmalar yoluyla bu \u00fc\u00e7l\u00fc s\u0131ralaman\u0131n tamamlanmas\u0131, LIGO\u2019nun kapat\u0131laca\u011f\u0131 anlam\u0131na gelmiyor. Ara\u015ft\u0131rmac\u0131lar bu durumu vurgularken Scott, \u201cBu sadece ba\u015flang\u0131c\u0131n sonu\u201d a\u00e7\u0131klamalar\u0131nda bulundu.<\/p>\n

Kaynak:<\/strong> https:\/\/www.newscientist.com\/article\/2214172-ligo-may-have-seen-its-first-black-hole-and-neutron-star-collision\/<\/p>\n","protected":false},"excerpt":{"rendered":"

Neredeyse 900 milyon y\u0131l \u00f6nce, bir karadelik ve bir n\u00f6tron y\u0131ld\u0131z\u0131 birbirlerine \u00e7arparak uzay-zaman boyunca \u015fok dalgalar\u0131n\u0131n olu\u015fmas\u0131na neden oldular. 14 A\u011fustos g\u00fcn\u00fc, bu yer\u00e7ekimi dalgalar\u0131 D\u00fcnya \u00fczerinde alg\u0131land\u0131. Bu dalgalar, Amerika\u2019da bulunan LIGO g\u00f6zlemevindeki dedekt\u00f6rler ile \u0130talya\u2019daki Virgo dedekt\u00f6r\u00fc taraf\u0131ndan topland\u0131. Canberra\u2019da bulunan Avustralya Ulusal \u00dcniversitesi\u2019nde teorik fizik alan\u0131nda \u00e7al\u0131\u015fma y\u00fcr\u00fcten Susan Scott, \u201cBir […]<\/p>\n","protected":false},"author":1390,"featured_media":36304,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[3202,274,2239,2238,5191],"class_list":["post-36303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-carpisma","tag-dunya","tag-karadelik","tag-notron-yildizi","tag-sinyal"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t