{"id":128032,"date":"2025-10-19T20:00:11","date_gmt":"2025-10-19T20:00:11","guid":{"rendered":"https:\/\/kamucalisani.net\/?p=128032"},"modified":"2025-10-19T20:00:11","modified_gmt":"2025-10-19T20:00:11","slug":"james-webb-teleskobunun-tespit-ettigi-kucuk-kirmizi-noktalarin-gizemi-cozuldu","status":"publish","type":"post","link":"https:\/\/kamucalisani.net\/index.php\/2025\/10\/19\/james-webb-teleskobunun-tespit-ettigi-kucuk-kirmizi-noktalarin-gizemi-cozuldu\/","title":{"rendered":"James Webb Teleskobu\u2019nun tespit etti\u011fi k\u00fc\u00e7\u00fck k\u0131rm\u0131z\u0131 noktalar\u0131n gizemi \u00e7\u00f6z\u00fcld\u00fc"},"content":{"rendered":"<p><figure> <span> <img decoding=\"async\" src=\"https:\/\/kamucalisani.net\/wp-content\/uploads\/2025\/10\/james-webb-teleskobunun-tespit-ettigi-kucuk-kirmizi-noktalarin-gizemi-cozuldu-0-SFG9ZqSK.jpg\"\/> <\/span> Evrenin ilk \u00e7a\u011flar\u0131nda neler ya\u015fand\u0131\u011f\u0131, modern astrofizi\u011fin en b\u00fcy\u00fck gizemlerinden biri olmay\u0131 s\u00fcrd\u00fcr\u00fcyor. Bu gizemi ana hatlar\u0131yla a\u00e7\u0131klayan modeller olu\u015fturulmu\u015f olsa da zaman zaman bu modellere uymayan kozmik gizemler de ortaya \u00e7\u0131k\u0131yor. Bunlardan biri de k\u0131sa s\u00fcre \u00f6nce\u00a0<strong>James Webb Uzay Teleskobu<\/strong>\u00a0taraf\u0131ndan g\u00f6zlemlenen<strong> \u201ck\u00fc\u00e7\u00fck k\u0131rm\u0131z\u0131 noktalar\u201d (Little Red Dots \u2013 LRDs)<\/strong> oldu. Evrenin ilk d\u00f6nemine dair anlay\u0131\u015f\u0131m\u0131z\u0131 de\u011fi\u015ftiren bu k\u00fc\u00e7\u00fck k\u0131rm\u0131z\u0131 noktalar, bilim d\u00fcnyas\u0131 i\u00e7in bir bulmacaya d\u00f6n\u00fc\u015ft\u00fc. Ne var ki yap\u0131lan son ara\u015ft\u0131rmalarla birlikte bu gizem \u00e7\u00f6z\u00fclm\u00fc\u015f olabilir. <\/figure>\n<p><b>&#8220;K\u00fc\u00e7\u00fck K\u0131rm\u0131z\u0131 Noktalar&#8221; Asl\u0131nda Karadelik Y\u0131ld\u0131zlar\u0131 Olabilir<\/b><\/p>\n<p>Penn State \u00dcniversitesi&#8217;nde g\u00f6revli bilim insanlar\u0131, bu cisimlerin <strong>yeni bir kozmik fenomen s\u0131n\u0131f\u0131n\u0131 temsil etti\u011fini<\/strong> ve b\u00fcy\u00fck ihtimalle \u201c<strong>karadelik y\u0131ld\u0131zlar\u0131<\/strong>\u201d oldu\u011funu belirtiyor. Yay\u0131nlanan yeni ara\u015ft\u0131rmaya g\u00f6re bu nesneler, merkezinde s\u00fcper k\u00fctleli bir karadelik bar\u0131nd\u0131ran, devasa gaz bulutlar\u0131n\u0131n parlakl\u0131\u011f\u0131ndan olu\u015fuyor. Yani bu yap\u0131lar, enerjisini n\u00fckleer f\u00fczyondan alan normal y\u0131ld\u0131zlardan tamamen farkl\u0131. Penn State ekibinin yapt\u0131\u011f\u0131 analizler, 4.500 uzak galaksiden toplanan yakla\u015f\u0131k 60 saatlik JWST verisine dayan\u0131yor. Ekip, 2024 yaz\u0131nda ke\u015ffettikleri \u201cThe Cliff\u201d adl\u0131 a\u015f\u0131r\u0131 parlak \u00f6rne\u011fin bu teoriyi g\u00fc\u00e7lendirdi\u011fini belirtiyor.<\/p>\n<p><strong>Bu ke\u015fif, evrenin erken d\u00f6nemine dair temel kabulleri sars\u0131yor<\/strong>. LRD\u2019ler, B\u00fcy\u00fck Patlama\u2019dan yaln\u0131zca 600\u2013700 milyon y\u0131l sonraki d\u00f6nemde g\u00f6zlemleniyor ve bulunduklar\u0131 \u00e7a\u011fa g\u00f6re \u201cimk\u00e2ns\u0131z derecede b\u00fcy\u00fck ve parlak\u201d g\u00f6r\u00fcn\u00fcyor. Bu da galaksilerin karadeliklerden \u00f6nce olu\u015ftu\u011fu y\u00f6n\u00fcndeki standart kozmolojik s\u0131ralamay\u0131 tersine \u00e7eviriyor. Ara\u015ft\u0131rmac\u0131lar, bu yap\u0131lar\u0131n yaln\u0131zca belirli bir zaman aral\u0131\u011f\u0131nda ortaya \u00e7\u0131kt\u0131\u011f\u0131n\u0131, bunun da yava\u015f d\u00f6nen karanl\u0131k madde haleleriyle (halolar\u0131yla) ili\u015fkili olabilece\u011fini d\u00fc\u015f\u00fcn\u00fcyor.<\/p>\n<p>Spektroskopik incelemeler, bu nesnelerin yakla\u015f\u0131k y\u00fczde 70\u2019inde <strong>binlerce km\/s h\u0131zla hareket eden gaz ak\u0131\u015flar\u0131<\/strong> tespit etti. Bu, merkezde aktif karadelik oldu\u011funun en g\u00fc\u00e7l\u00fc i\u015faretlerinden biri. Ancak \u015fa\u015f\u0131rt\u0131c\u0131 \u015fekilde \u00e7o\u011fu LRD, kuasarlar kadar X-\u0131\u015f\u0131n\u0131 yaym\u0131yor. Bu nedenle bilim insanlar\u0131, onlar\u0131n <strong>s\u00fcper k\u00fctleli karadeliklerin erken \u201cbebeklik evresini\u201d<\/strong> temsil etti\u011fini d\u00fc\u015f\u00fcn\u00fcyor.<\/p>\n<p>Ara\u015ft\u0131rma ekibine g\u00f6re <strong>LRD\u2019ler, evrende s\u00fcper k\u00fctleli karadeliklerin nas\u0131l bu kadar k\u0131sa s\u00fcrede olu\u015fabildi\u011fine dair onlarca y\u0131ld\u0131r \u00e7\u00f6z\u00fclemeyen soruya \u0131\u015f\u0131k tutabilir.<\/strong> \u00c7\u00fcnk\u00fc mevcut modellere g\u00f6re b\u00f6ylesine dev karadeliklerin olu\u015fmas\u0131 milyarlarca y\u0131l s\u00fcrmeliyken, Webb\u2019in tespit etti\u011fi d\u00f6nem daha evrenin \u201c\u00e7ocukluk \u00e7a\u011f\u0131\u201dna denk geliyor. LRD\u2019ler ger\u00e7ekten \u201ckaradelik y\u0131ld\u0131zlar\u0131\u201d ise, bu yap\u0131lar dev karadeliklerin do\u011fu\u015funu h\u0131zland\u0131ran bir ara evreyi temsil ediyor olabilir. Bu da evrenin erken d\u00f6nemine dair anlay\u0131\u015f\u0131m\u0131z\u0131 tamamen de\u011fi\u015ftirebilecek \u00f6nemde g\u00f6r\u00fcl\u00fcyor. E\u011fer sonu\u00e7lar do\u011frulan\u0131rsa, karadeliklerin do\u011fu\u015fu ve galaksilerin evrimi hakk\u0131ndaki mevcut teorilerin yeniden yaz\u0131lmas\u0131 gerekecek.<\/p>\n\n<p>Kaynak\u00a0 :\u00a0<span style=\"background-color: rgb(255, 249, 236); color: rgb(55, 58, 60); font-size: 14px;\">https:\/\/www.donanimhaber.com\/webb-teleskobuna-yansiyan-kucuk-kirmizi-noktalarin-gizemi-cozuldu&#8211;197501<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Evrenin ilk \u00e7a\u011flar\u0131nda neler ya\u015fand\u0131\u011f\u0131, modern astrofizi\u011fin en b\u00fcy\u00fck gizemlerinden biri olmay\u0131 s\u00fcrd\u00fcr\u00fcyor. Bu gizemi ana hatlar\u0131yla a\u00e7\u0131klayan modeller olu\u015fturulmu\u015f olsa da zaman zaman bu modellere uymayan kozmik gizemler de ortaya \u00e7\u0131k\u0131yor &#8230;<\/p>\n","protected":false},"author":1,"featured_media":128033,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[753,5028,8523],"class_list":["post-128032","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","tag-donem","tag-evrenin","tag-karadelik"],"_links":{"self":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/128032","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/comments?post=128032"}],"version-history":[{"count":1,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/128032\/revisions"}],"predecessor-version":[{"id":128035,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/128032\/revisions\/128035"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/media\/128033"}],"wp:attachment":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/media?parent=128032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/categories?post=128032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/tags?post=128032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}