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K\u00fctlesi G\u00fcne\u015f Sistemi’nin en b\u00fcy\u00fck gezegeni olan J\u00fcpiter kadar b\u00fcy\u00fck olmas\u0131na kar\u015f\u0131n, \u00e7ok daha y\u00fcksek bir y\u00fczey s\u0131cakl\u0131\u011f\u0131na sahip oldu\u011fu bilinen gezegen, D\u00fcnya’dan yakla\u015f\u0131k 51 \u0131\u015f\u0131k y\u0131l\u0131 \u00f6tede bulunan “tau Bo\u00f6tis” y\u0131ld\u0131z\u0131na ba\u011fl\u0131 bulunuyor. G\u00fcne\u015f Sistemi’nde yer alan t\u00fcm gezegenlerin toplam k\u00fctlesinden 2 kat daha b\u00fcy\u00fck bir gezegen olan J\u00fcpiter’in<\/span>ortalama y\u00fczey s\u0131cakl\u0131\u011f\u0131ysa -145 santigrat derece olarak hesaplan\u0131yor.<\/span><\/p>\n

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\nGezegenlerin atmosferindeki k\u0131z\u0131l \u00f6tesi radyasyonu \u00f6l\u00e7ebilen yeni bir teknik yard\u0131m\u0131yla yap\u0131lan ke\u015fif, Penn Eyalet \u00dcniversitesi, California\u00a0Teknoloji<\/a>\u00a0Enstit\u00fcs\u00fc (Caltech) ve di\u011fer kurumlar\u0131n astronomlar\u0131ndan olu\u015fan bilim ekibi taraf\u0131ndan y\u00fcr\u00fct\u00fcld\u00fc. Caltech’ten Alexandra Lockwood ve Prof. Geoffrey Blake’in ba\u015fkanl\u0131\u011f\u0131nda yap\u0131lan ara\u015ft\u0131rma, Astrophysical Journal Letters adl\u0131 bilimsel derginin internet sayfas\u0131nda yay\u0131mland\u0131.<\/p>\n

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Ara\u015ft\u0131rmac\u0131lar, tau Bo\u00f6tes b’de su bulunmas\u0131n\u0131n, J\u00fcpiter kadar k\u00fctleli olmalar\u0131na kar\u015f\u0131n y\u00fczey s\u0131cakl\u0131klar\u0131 \u00e7ok daha y\u00fcksek olan bu tip gezegenlerin nas\u0131l olu\u015ftu\u011fu ve geli\u015fti\u011finin anla\u015f\u0131lmas\u0131na yard\u0131mc\u0131 olmas\u0131 a\u00e7\u0131s\u0131ndan \u00f6nem ta\u015f\u0131d\u0131\u011f\u0131n\u0131 belirtti.<\/p>\n

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\u015eimdiye kadar gezegenlerde su bulunup bulunmad\u0131\u011f\u0131, ba\u011fl\u0131 bulundu\u011fu y\u0131ld\u0131z\u0131n \u00f6n\u00fcnden ge\u00e7i\u015fi g\u00f6zlenebilen gezegenlerden uzaya buhar \u00e7\u0131k\u0131\u015f\u0131 saptanmas\u0131 veya gezegenlerin, ba\u011fl\u0131 bulundu\u011fu y\u0131ld\u0131zlardan yeterince uzak olmas\u0131 durumunda kullan\u0131labilen \u00f6zel bir g\u00f6r\u00fcnt\u00fcleme tekni\u011fiyle belirlenebiliyordu. Ancak G\u00fcne\u015f Sistemi d\u0131\u015f\u0131nda, bu iki kriterin ge\u00e7erli olmad\u0131\u011f\u0131 pek \u00e7ok gezegende su olup olmad\u0131\u011f\u0131 bilinemiyordu.<\/p>\n

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Ara\u015ft\u0131rmac\u0131lar, yeni geli\u015ftirilen teknik ve James Webb Uzay Teleskobu ve Hawaii’deki Otuz Metre Teleskobu gibi daha g\u00fc\u00e7l\u00fc teleskoplar sayesinde, su bulunmas\u0131 ihtimali daha y\u00fcksek olan, \u00e7ok daha so\u011fuk ve ba\u011fl\u0131 bulundu\u011fu y\u0131ld\u0131zdan uzak gezegenlerin incelenmesinin m\u00fcmk\u00fcn olabildi\u011fini vurgulad\u0131.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Amerikal\u0131 astronomlar, yeni geli\u015ftirilen bir teknik yard\u0131m\u0131yla, G\u00fcne\u015f Sistemi d\u0131\u015f\u0131ndaki dev “tau Bo\u00f6tes b” gezegeninde su bulundu\u011funu ortaya \u00e7\u0131kard\u0131. K\u00fctlesi G\u00fcne\u015f Sistemi’nin en b\u00fcy\u00fck gezegeni olan J\u00fcpiter kadar b\u00fcy\u00fck olmas\u0131na kar\u015f\u0131n, \u00e7ok daha y\u00fcksek bir y\u00fczey s\u0131cakl\u0131\u011f\u0131na sahip oldu\u011fu bilinen gezegen, D\u00fcnya’dan yakla\u015f\u0131k 51 \u0131\u015f\u0131k y\u0131l\u0131 \u00f6tede bulunan “tau Bo\u00f6tis” y\u0131ld\u0131z\u0131na ba\u011fl\u0131 bulunuyor. G\u00fcne\u015f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-68090","post","type-post","status-publish","format-standard","hentry","category-bilim-teknoloji"],"_links":{"self":[{"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/68090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=68090"}],"version-history":[{"count":0,"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/68090\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=68090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=68090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=68090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}