{"id":105220,"date":"2019-08-18T10:31:52","date_gmt":"2019-08-18T08:31:52","guid":{"rendered":"https:\/\/osr.org\/?p=105220"},"modified":"2019-08-18T10:31:52","modified_gmt":"2019-08-18T08:31:52","slug":"hubble-4-milyar-yil-sonra-gunesimize-olacaklari-baska-bir-yildizda-goruntuledi","status":"publish","type":"post","link":"https:\/\/osr.org\/tr\/blog\/astronomi\/hubble-4-milyar-yil-sonra-gunesimize-olacaklari-baska-bir-yildizda-goruntuledi\/","title":{"rendered":"Hubble, 4 Milyar Y\u0131l Sonra G\u00fcne\u015f&#8217;imize Olacaklar\u0131 Ba\u015fka Bir Y\u0131ld\u0131zda G\u00f6r\u00fcnt\u00fcledi"},"content":{"rendered":"<p>Ya\u015fam\u0131n kayna\u011f\u0131, D\u00fcnya\u2019n\u0131n enerji rezervi G\u00fcne\u015f, g\u00fcn\u00fcm\u00fczden yakla\u015f\u0131k olarak 4,6 milyar y\u0131l \u00f6nce olu\u015fmu\u015ftu. Sisteminde irili ufakl\u0131 9 adet gezegene ev sahipli\u011fi yapan bu dev y\u0131ld\u0131z, geride b\u0131rakt\u0131\u011f\u0131m\u0131z milyarlarca y\u0131l i\u00e7inde pek \u00e7ok de\u011fi\u015fim ge\u00e7irerek g\u00fcn\u00fcm\u00fczdeki halini ald\u0131. Ald\u0131 almas\u0131na ama ilerleyen y\u0131llarda bu ya\u015fl\u0131 deve neler olacak, nas\u0131l son bulacak?<\/p>\n<p>NASA\u2019n\u0131n Hubble Uzay Teleskobu, G\u00fcne\u015f\u2019in gelecekteki sonunu g\u00f6steren baz\u0131 \u00e7al\u0131\u015fmalarda bulundu. Ya\u015flanan y\u0131ld\u0131zlar, bir n\u00fckleer reaksiyon zincirini yakmak i\u00e7in ortaya \u00e7\u0131kard\u0131\u011f\u0131 hidrojen  -yani yak\u0131t\u0131- t\u00fckenince art\u0131k karars\u0131z bir hale gelip \u00e7\u00f6k\u00fcyor ve ard\u0131ndan \u015fiddetli bir bi\u00e7imde b\u00fcy\u00fcmeye ba\u015fl\u0131yor. Ayn\u0131 senaryoyu ya\u015famas\u0131 beklenen G\u00fcne\u015f; D\u00fcnya dahil sistemindeki pek \u00e7ok gezegeni i\u00e7ine alarak b\u00fcy\u00fcyeme ba\u015flayacak ve bir anlamda da kendi k\u0131yametini ya\u015fayacak.<\/p>\n<p>NASA taraf\u0131ndan payla\u015f\u0131lan bu foto\u011frafta Hubble Uzay Teleskobu, geni\u015fleyen bir \u201ck\u0131rm\u0131z\u0131 dev\u201d y\u0131ld\u0131z\u0131n yaratt\u0131\u011f\u0131 parlayan gaz k\u00fcresini g\u00f6r\u00fcnt\u00fcledi. Foto\u011fraf\u0131 \u00e7ekilen nesne, Orion Tak\u0131my\u0131ld\u0131z\u0131\u2019nda yer alan, s\u00f6zde gezegenimsi bir bulutsu olarak g\u00f6r\u00fcl\u00fcyor. \u201cNGC 2022\u201d ad\u0131 verilen bu gezegenimsi bulutsu, ya\u015flanan bir y\u0131ld\u0131z\u0131 \u00e7evreleyen halka \u015feklinde bir gaz bulutu.<\/p>\n<h2><span style=\"color: #15acdf\">Y\u0131ld\u0131z varl\u0131klar\u0131<\/span><\/h2>\n<p>NASA ile birlikte Hubble Uzay Teleskobu\u2019nu ortak \u00e7al\u0131\u015ft\u0131ran Avrupa Uzay Ajans\u0131 (ESA) ise \u00e7ekilen foto\u011fraf hakk\u0131nda \u015funlar\u0131 s\u00f6yledi: \u201cTeleskoptan ziyade mikroskopta g\u00f6r\u00fcnt\u00fclenmi\u015f bir varl\u0131k gibi g\u00f6r\u00fcnse de, NGC 2022 adl\u0131 bu yuvarlak nesne kesinlikle yosun ya da k\u00fc\u00e7\u00fck kabar\u0131k bir denizanas\u0131 de\u011fil. Aksine, ya\u015flanan bir y\u0131ld\u0131z taraf\u0131ndan olu\u015fturulmu\u015f, uzayda bulunan geni\u015f bir gaz k\u00fcresidir.\u201d<\/p>\n<p>Gaz halkas\u0131n\u0131n merkezinde \u00f6l\u00fc bir \u015fekilde bulunan bu y\u0131ld\u0131z, yo\u011fun bir k\u0131rm\u0131z\u0131-turuncu renk tonuyla parl\u0131yor. Bir y\u0131ld\u0131z\u0131n rengi, s\u0131cakl\u0131klar\u0131na g\u00f6re belirleniyor ve maviden k\u0131rm\u0131z\u0131ya do\u011fru de\u011fi\u015fmeye ba\u015fl\u0131yor. Daha gen\u00e7 ve daha s\u0131cak y\u0131ld\u0131zlar, parlak mavi bir renk e\u011filiminde olurken y\u0131ld\u0131zlar ya\u015fland\u0131k\u00e7a ise par\u0131lt\u0131lar\u0131, k\u0131rm\u0131z\u0131 bir renge b\u00fcr\u00fcnerek g\u00f6r\u00fcn\u00fcr spektrumun ucuna do\u011fru kaymaya ba\u015fl\u0131yor. Bu da y\u0131ld\u0131zlar\u0131n, ya\u015fam d\u00f6ng\u00fcs\u00fcn\u00fcn son a\u015famalar\u0131na girdiklerini i\u015faret ediyor.<\/p>\n<h2><span style=\"color: #15acdf\">G\u00fcne\u015f ve y\u0131ld\u0131zlar<\/span><\/h2>\n<p>Sar\u0131 renkte parl\u0131yor gibi g\u00f6r\u00fcnen G\u00fcne\u015fimiz, y\u00fczeyde yakla\u015f\u0131k olarak 5.500C&#8217;de yan\u0131yor ve hala \u00e7ok s\u0131cak. \u0130nsanl\u0131k i\u00e7in \u00e7ok uzun bir s\u00fcre olsa da evren tarihine bakt\u0131\u011f\u0131m\u0131zda k\u0131sa say\u0131labilecek bir s\u00fcre sonra G\u00fcne\u015f yok olmaya ba\u015flayacak. G\u00fcne\u015f, yakla\u015f\u0131k 4.5 milyar y\u0131l sonra t\u0131pk\u0131 di\u011fer y\u0131ld\u0131zlar gibi kendi k\u0131yametini ba\u015flatacak ve D\u00fcnya dahil sistemindeki pek \u00e7ok gezegeni i\u00e7ine alarak \u201cK\u0131rm\u0131z\u0131 Dev\u201d halini alacak. Daha sonralar\u0131ndaysa kendisi de yok olarak evrene kar\u0131\u015facak. G\u00fcn\u00fcm\u00fczden \u00e7ok uzak bir tarihte bulunan bu k\u0131yamet senaryosu, bizim neslimiz i\u00e7in bir sorun te\u015fkil etmiyor. Belki de o zamana kadar insanl\u0131ktan eser kalmayacak ya da ba\u015fka sistemlerde yeni ya\u015famlar bulunacak.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ya\u015fam\u0131n kayna\u011f\u0131, D\u00fcnya\u2019n\u0131n enerji rezervi G\u00fcne\u015f, g\u00fcn\u00fcm\u00fczden yakla\u015f\u0131k olarak 4,6 milyar y\u0131l \u00f6nce olu\u015fmu\u015ftu. Sisteminde irili ufakl\u0131 9 adet gezegene ev sahipli\u011fi yapan bu dev y\u0131ld\u0131z, geride b\u0131rakt\u0131\u011f\u0131m\u0131z milyarlarca y\u0131l i\u00e7inde pek \u00e7ok de\u011fi\u015fim ge\u00e7irerek g\u00fcn\u00fcm\u00fczdeki halini ald\u0131. Ald\u0131 almas\u0131na ama ilerleyen y\u0131llarda bu ya\u015fl\u0131 deve neler olacak, nas\u0131l son bulacak? NASA\u2019n\u0131n Hubble Uzay Teleskobu, [&hellip;]<\/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-105220","post","type-post","status-publish","format-standard","hentry","category-astronomi"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hubble, 4 Milyar Y\u0131l Sonra G\u00fcne\u015f&#039;imize Olacaklar\u0131 Ba\u015fka Bir Y\u0131ld\u0131zda G\u00f6r\u00fcnt\u00fcledi - Online Star Register<\/title>\n<meta name=\"description\" content=\"4,5 milyar y\u0131l sonra neler olacak? 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