{"id":36056,"date":"2025-10-21T16:44:54","date_gmt":"2025-10-21T13:44:54","guid":{"rendered":"https:\/\/kibrisayna.com\/index.php\/2025\/10\/21\/james-webb-uzay-teleskobu-baska-bir-galakside-ilk-kez-yasamin-temel-taslarini-buldu\/"},"modified":"2025-10-21T16:44:54","modified_gmt":"2025-10-21T13:44:54","slug":"james-webb-uzay-teleskobu-baska-bir-galakside-ilk-kez-yasamin-temel-taslarini-buldu","status":"publish","type":"post","link":"https:\/\/kibrisayna.com\/index.php\/2025\/10\/21\/james-webb-uzay-teleskobu-baska-bir-galakside-ilk-kez-yasamin-temel-taslarini-buldu\/","title":{"rendered":"James Webb Uzay Teleskobu ba\u015fka bir galakside ilk kez \u201cya\u015fam\u0131n temel ta\u015flar\u0131n\u0131\u201d buldu"},"content":{"rendered":"


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Evrenin ilk d\u00f6nemlerinde ya\u015fam\u0131n ne kadar erken ortaya \u00e7\u0131kabilece\u011fi ve ya\u015fam\u0131n Samanyolu Galaksisi d\u0131\u015f\u0131ndaki galaksilerde de var olup olamayaca\u011f\u0131na dair ipu\u00e7lar\u0131 \u00e7o\u011fal\u0131yor.<\/p>\n

Astronomlar, James Webb Uzay<\/a> Teleskobu (JWST) sayesinde, kom\u015fu bir galaksideki gen\u00e7 bir y\u0131ld\u0131z\u0131n \u00e7evresinde donmu\u015f halde organik molek\u00fcller ke\u015ffetti. Bu molek\u00fcller ya\u015fam\u0131n yap\u0131ta\u015flar\u0131 say\u0131l\u0131yor.<\/p>\n

Maryland \u00dcniversitesi ve NASA<\/a>\u2019dan ara\u015ft\u0131rmac\u0131 Marta Sewi\u0142o\u2019nun liderli\u011finde y\u00fcr\u00fct\u00fclen ve Astrophysical Journal Letters dergisinde yay\u0131mlanan \u00e7al\u0131\u015fmada, Webb teleskobunun Orta K\u0131z\u0131l\u00f6tesi Cihaz\u0131 (MIRI), B\u00fcy\u00fck Macellan Bulutu\u2019nda yer alan ST6 adl\u0131 gen\u00e7 y\u0131ld\u0131z\u0131n \u00e7evresinde be\u015f farkl\u0131 karbon bazl\u0131 bile\u015fik tespit etti.<\/p>\n

Bu bile\u015fikler aras\u0131nda metanol, etanol (alkol t\u00fcrleri), metil format, asetaldehit ve sirkenin ana bile\u015feni olan asetik asit bulunuyor.<\/p>\n

Ara\u015ft\u0131rmac\u0131lar, asetik asidin uzaydaki buzlarda ilk kez net bi\u00e7imde tespit edildi\u011fini belirtiyor. Ayr\u0131ca, y\u0131ld\u0131zdan gelen \u0131\u015f\u0131\u011f\u0131n analizinde RNA\u2019n\u0131n yap\u0131 ta\u015flar\u0131ndan biri olan glikolaldehit adl\u0131 \u015fekerle ili\u015fkili bir molek\u00fcle dair i\u015faretler de bulundu, ancak bu bulgunun kesinle\u015fmesi i\u00e7in ek ara\u015ft\u0131rma gerekiyor.<\/p>\n

EVREN\u0130N EN UZAK K\u00d6\u015eELER\u0130<\/strong><\/p>\n

BBC\u2019nin Sky at Night Magazine dergisine konu\u015fan Sewi\u0142o, \u201cJWST\u2019nin ola\u011fan\u00fcst\u00fc hassasiyeti ve \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc sayesinde, uzak bir y\u0131ld\u0131z\u0131n etraf\u0131ndaki bu zay\u0131f spektral \u00f6zellikleri tespit edebildik\u201d diyerek teleskobun evrenin en uzak k\u00f6\u015felerinde bile yeni ke\u015fifler yap\u0131lmas\u0131na olanak tan\u0131d\u0131\u011f\u0131n\u0131 vurgulad\u0131.<\/p>\n

Yakla\u015f\u0131k 160 bin \u0131\u015f\u0131k y\u0131l\u0131 uzakl\u0131ktaki B\u00fcy\u00fck Macellan Bulutu, erken evrendeki y\u0131ld\u0131z olu\u015fum ko\u015fullar\u0131na benzer bir ortam sundu\u011fu i\u00e7in bilim insanlar\u0131 taraf\u0131ndan \u201cdo\u011fal bir laboratuvar\u201d olarak g\u00f6r\u00fcl\u00fcyor. Bu galakside, hidrojen ve helyum d\u0131\u015f\u0131ndaki a\u011f\u0131r elementlerin azl\u0131\u011f\u0131, erken evrendeki kimyasal s\u00fcre\u00e7lerin incelenmesi a\u00e7\u0131s\u0131ndan b\u00fcy\u00fck \u00f6nem ta\u015f\u0131yor.<\/p>\n

Ara\u015ft\u0131rma ekibinden Leiden \u00dcniversitesi\u2019nden Will Rocha ise, bu molek\u00fcllerin y\u0131ld\u0131zlararas\u0131 toz taneciklerinin y\u00fczeyinde, gaz ve buz h\u00e2lindeyken kimyasal tepkimelerle olu\u015ftu\u011funu belirterek, \u201cB\u00fcy\u00fck Macellan Bulutu\u2019ndaki bu karma\u015f\u0131k organik molek\u00fcllerin tespiti, ya\u015fam i\u00e7in gerekli kimyan\u0131n zorlu ko\u015fullarda bile olu\u015fabilece\u011fini g\u00f6steriyor,\u201d dedi.<\/p>\n

\u201cB\u00dcY\u00dcK B\u0130R ADIM\u201d<\/strong><\/p>\n

Bilim insanlar\u0131na g\u00f6re bu ke\u015fif, ya\u015fam\u0131n temel bile\u015fenlerinin evrende daha erken ve daha \u00e7e\u015fitli ortamlarda olu\u015fabilece\u011fini ortaya koyuyor.<\/p>\n

Ayr\u0131ca bu t\u00fcr molek\u00fcllerin, olu\u015fmakta olan y\u0131ld\u0131zlar\u0131n \u00e7evresinde hayatta kal\u0131p daha sonra o y\u0131ld\u0131zlar\u0131n \u00e7evresindeki gezegenlerin yap\u0131s\u0131na dahil olabilece\u011fini de g\u00f6steriyor.<\/p>\n

Sewi\u0142o, gelecekte hem B\u00fcy\u00fck hem de K\u00fc\u00e7\u00fck Macellan Bulutu\u2019ndaki gen\u00e7 y\u0131ld\u0131zlarda benzer g\u00f6zlemleri geni\u015fletmeyi planl\u0131yor. Bilim insan\u0131 \u015f\u00f6yle ekledi:<\/p>\n

\u201c\u015eu ana kadar bu t\u00fcr molek\u00fclleri Samanyolu\u2019nda yaln\u0131zca d\u00f6rt, B\u00fcy\u00fck Macellan Bulutu\u2019nda ise bir kaynakta tespit edebildik. Ancak bu ke\u015fif, evrende karma\u015f\u0131k kimyan\u0131n nas\u0131l ortaya \u00e7\u0131kt\u0131\u011f\u0131n\u0131 anlamada b\u00fcy\u00fck bir ad\u0131m.\u201d<\/p>\n<\/div>\n


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<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Evrenin ilk d\u00f6nemlerinde ya\u015fam\u0131n ne kadar erken ortaya \u00e7\u0131kabilece\u011fi ve ya\u015fam\u0131n Samanyolu Galaksisi d\u0131\u015f\u0131ndaki galaksilerde de var olup olamayaca\u011f\u0131na dair ipu\u00e7lar\u0131 \u00e7o\u011fal\u0131yor. Astronomlar, James Webb Uzay Teleskobu (JWST) sayesinde, kom\u015fu bir galaksideki gen\u00e7 bir y\u0131ld\u0131z\u0131n \u00e7evresinde donmu\u015f halde organik molek\u00fcller ke\u015ffetti. Bu molek\u00fcller ya\u015fam\u0131n yap\u0131ta\u015flar\u0131 say\u0131l\u0131yor. Maryland \u00dcniversitesi ve NASA\u2019dan ara\u015ft\u0131rmac\u0131 Marta Sewi\u0142o\u2019nun liderli\u011finde y\u00fcr\u00fct\u00fclen […]<\/p>\n","protected":false},"author":908,"featured_media":36057,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_seo_schema_type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[12],"tags":[],"class_list":["post-36056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/kibrisayna.com\/wp-content\/uploads\/2025\/10\/H6201htM3kCRlMnm4avLhw.jpg","_links":{"self":[{"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/posts\/36056","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/users\/908"}],"replies":[{"embeddable":true,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/comments?post=36056"}],"version-history":[{"count":0,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/posts\/36056\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/media\/36057"}],"wp:attachment":[{"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/media?parent=36056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/categories?post=36056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/tags?post=36056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}