B\u00fcy\u00fck y\u0131ld\u0131zlar \u00f6lme zamanlar\u0131 geldi\u011finde ya devasa k\u0131rm\u0131z\u0131 k\u00fctlelere d\u00f6n\u00fc\u015f\u00fcyor ya bir n\u00f6tron y\u0131ld\u0131za veya kara deli\u011fe d\u00f6n\u00fc\u015f\u00fcyor ya da patl\u0131yor. Bir\u00e7ok y\u0131ld\u0131zdan daha parlak olan bu g\u00fc\u00e7l\u00fc patlamalara ‘s\u00fcpernova’ ad\u0131 veriliyor.<\/p>\n
Bug\u00fcne dek y\u00fczlerce s\u00fcpernova g\u00f6zlemlenebildi ama ayn\u0131 s\u00fcpernovan\u0131n belli bir s\u00fcre sonra tekrar g\u00f6r\u00fclmesi s\u0131k bulunan bir f\u0131rsat de\u011fil. NASA a\u00e7\u0131klamas\u0131na g\u00f6re Requiem ad\u0131 verilen s\u00fcpernova’n\u0131n 2037’de yeniden g\u00f6zlemlenebilir olmas\u0131 bekleniyor. Bunun olabilmesi ise ‘yer\u00e7ekimsel mercekleme’ olarak bilinen bir etki sayesinde.<\/p>\n
S\u00fcpernovan\u0131n hemen kar\u015f\u0131s\u0131ndaki b\u00fcy\u00fck k\u00fctleli cisim, uzaktaki g\u00f6r\u00fcnt\u00fcy\u00fc b\u00fcy\u00fctmek i\u00e7in \u0131\u015f\u0131\u011f\u0131 b\u00fcken bir lens g\u00f6revi g\u00f6r\u00fcyor. S\u00fcpernovadan yay\u0131lan \u0131\u015f\u0131k, b\u00fcy\u00fck k\u00fctleli cismin i\u00e7inden ge\u00e7erken b\u00fcy\u00fct\u00fcl\u00fcyor, b\u00fck\u00fcl\u00fcyor ve birden fazla kopyaya b\u00f6l\u00fcn\u00fcyor. Bu kopyalar\u0131n her biri de ‘ayn\u0131 g\u00f6sterinin tekrar tekrar g\u00f6sterimi’ gibi ayn\u0131 s\u00fcpernovan\u0131n birden \u00e7ok kez g\u00f6r\u00fclmesine yol a\u00e7\u0131yor.<\/p>\n
Hubble teleskopu Requiem s\u00fcpernovas\u0131n\u0131 ilk kez 2016’da bir de\u011fil \u00fc\u00e7 farkl\u0131 karede g\u00f6r\u00fcnt\u00fclemi\u015fti. Requiem s\u00fcpernovas\u0131 D\u00fcnya’n\u0131n yakla\u015f\u0131k 10 milyar \u0131\u015f\u0131k y\u0131l\u0131 uza\u011f\u0131nda ama ‘MACS J0138.0-2155’ olarak an\u0131lan b\u00fcy\u00fck k\u00fctleli cismin i\u00e7inden ge\u00e7en \u0131\u015f\u0131\u011f\u0131n\u0131n D\u00fcnya’ya ula\u015fmas\u0131 4 milyar y\u0131l\u0131 buluyor.<\/p>\n
Ara\u015ft\u0131rmac\u0131 Steve Rodney’ye g\u00f6re ilk 3 g\u00f6r\u00fcnt\u00fc ile 2037’de beklenen 4. g\u00f6r\u00fcnt\u00fc aras\u0131nda bu kadar uzun s\u00fcre olmas\u0131n\u0131n sebebi, Requiem’in \u0131\u015f\u0131\u011f\u0131n\u0131n ge\u00e7ti\u011fi b\u00fcy\u00fck k\u00fctleli cismin merkezindeki karanl\u0131k maddenin yo\u011funlu\u011fu.<\/p>\n
Requiem’in 2037’de yans\u0131mas\u0131 beklenen d\u00f6rd\u00fcnc\u00fc g\u00f6r\u00fcnt\u00fcs\u00fc \u00e7\u0131plak g\u00f6zle g\u00f6r\u00fclemeyecek olsa da teleskoplarla bak\u0131nca g\u00f6r\u00fcn\u00fcr olacak.<\/p>\n
Y\u0131ld\u0131z hediyeleri ve s\u00fcprizler<\/span><\/h2>\n Online Star Register (OSR) \u00e7e\u015fitli vesilelerle i\u015f arkada\u015flar\u0131, \u00e7al\u0131\u015fanlar, m\u00fc\u015fteriler ve ba\u015fkalar\u0131 i\u00e7in verilebilecek m\u00fckemmel, \u00f6zelle\u015ftirilebilen hediyeler sunar. Online Star Register\u2019da bir y\u0131ld\u0131za isim vermek, benzeri olmayan, asla unutamayacaklar\u0131 bir hediyedir! Kurumsal hediyelerimizle birden \u00e7ok y\u0131ld\u0131za isim verebilir veya OSR Hediye Kart\u0131 ile her al\u0131c\u0131n\u0131n kendi y\u0131ld\u0131zlar\u0131na isim vermesine olanak tan\u0131yabilirsiniz. Her \u00fcr\u00fcn i\u00e7in toplu sipari\u015f alabiliyor ve h\u0131zl\u0131 sevkiyat sa\u011fl\u0131yoruz!<\/p>\n Online Star Register herhangi bir y\u0131ld\u0131z hediyesi sat\u0131n al\u0131nd\u0131\u011f\u0131nda \u00dcCRETS\u0130Z bir Y\u0131ld\u0131z Sayfas\u0131 sunuyor. Online Star Register\u2019da (OSR) bir y\u0131ld\u0131za isim vererek ve \u00f6zelle\u015ftirilmi\u015f bir y\u0131ld\u0131z sayfas\u0131 olu\u015fturarak, bir arkada\u015f\u0131n\u0131z\u0131n, akraban\u0131z\u0131n veya i\u015f arkada\u015f\u0131n\u0131z\u0131n asla unutamayaca\u011f\u0131, ki\u015fiselle\u015ftirilmi\u015f bir deneyim olu\u015fturun. Bir ho\u015f geldiniz mesaj\u0131 yaz\u0131n, foto\u011fraflar y\u00fckleyin ve \u00e7ok daha fazlas\u0131n\u0131 yap\u0131n.<\/p>\n OSR Hediye Paketiniz d\u00fcnyan\u0131n her yerine \u00dcCRETS\u0130Z g\u00f6nderiliyor ve Online Star Register\u2018da sonsuza dek kal\u0131c\u0131 bir kay\u0131t ile \u00f6zelle\u015ftirilebilen bir y\u0131ld\u0131z Sayfas\u0131 ve ayr\u0131ca OSR Star Finder uygulamas\u0131n\u0131n \u00dcCRETS\u0130Z kullan\u0131m\u0131n\u0131 i\u00e7eriyor.<\/p>\n