ABC News\u2019in haberine g\u00f6re, NASA\u2019n\u0131n yapt\u0131\u011f\u0131 a\u00e7\u0131klamada, Webb Teleskobu ke\u015ffinin bilim insanlar\u0131na D\u00fcnya okyanuslar\u0131n\u0131n nas\u0131l olu\u015ftu\u011funa dair fikir verebilece\u011fi belirtildi. Webb teleskobunun yak\u0131n k\u0131z\u0131l\u00f6tesi tayf\u00e7eker cihaz\u0131n\u0131 kullanan astronomlar, J\u00fcpiter ve Mars aras\u0131nda y\u00f6r\u00fcngede bulunan 238P\/Read Kuyruklu Y\u0131ld\u0131z\u0131\u2019n\u0131n etraf\u0131nda su buhar\u0131 bulundu\u011funu do\u011frulad\u0131.<\/p>\n
NASA a\u00e7\u0131klamas\u0131nda, ke\u015ffin, J\u00fcpiter\u2019in y\u00f6r\u00fcngesindeki daha s\u0131cak Asteroit Ku\u015fa\u011f\u0131\u2019nda buz halindeki suyun korunabilece\u011fine ve olu\u015fumunun ilk d\u00f6nemlerinde D\u00fcnya\u2019ya d\u00fc\u015fen asteroitler yoluyla D\u00fcnya\u2019daki suyun kayna\u011f\u0131n\u0131 olu\u015fturabilece\u011fine dair g\u00f6r\u00fc\u015fleri do\u011frulad\u0131\u011f\u0131 kaydedildi.<\/p>\n
D\u00dcNYA\u2019DAK\u0130 SUYUN KAYNA\u011eI KUYRUKLU YILDIZLAR OLAB\u0130L\u0130R<\/b><\/p>\n
Bir y\u0131ld\u0131z\u0131n yak\u0131nlar\u0131ndaki suyun gaz halinde oldu\u011fu ve D\u00fcnya benzeri, olu\u015fum halindeki kayal\u0131k gezegenlerden ayr\u0131lm\u0131\u015f olabilece\u011fi belirtilen a\u00e7\u0131klamada, baz\u0131 astronomlar\u0131n, D\u00fcnya\u2019daki suyun kayna\u011f\u0131n\u0131n kuyruklu y\u0131ld\u0131zlar oldu\u011funu d\u00fc\u015f\u00fcnd\u00fc\u011f\u00fcne i\u015faret edildi.<\/p>\n
Webb Gezegen Bilimi Projesi\u2019nde \u00e7al\u0131\u015fan bilim insan\u0131, \u00e7al\u0131\u015fman\u0131n yazarlar\u0131ndan Dr. Stefanie Milam, \u201cBildi\u011fimiz kadar\u0131yla evrende ya\u015fam bar\u0131nd\u0131ran tek gezegen olan D\u00fcnya\u2019m\u0131zdaki suyun buraya nas\u0131l geldi\u011fi hala gizemini koruyor\u201d dedi.<\/p>\n
Dr. Milam, \u201cG\u00fcne\u015f Sistemi\u2019ndeki su da\u011f\u0131l\u0131m\u0131n\u0131n \u00f6yk\u00fcs\u00fcn\u00fc anlamak, di\u011fer gezegen sistemlerini ve D\u00fcnya benzeri bir gezegene ev sahipli\u011fi yap\u0131p yapamayacaklar\u0131n\u0131 anlamam\u0131za yard\u0131mc\u0131 olacakt\u0131r.\u201d ifadesini kulland\u0131.<\/p>\n
Read Kuyruklu Y\u0131ld\u0131z\u0131\u2019n\u0131n asteroit ku\u015fa\u011f\u0131nda bulunan bir ana ku\u015fak kuyruklu y\u0131ld\u0131z oldu\u011fu, belirli d\u00f6nemlerde koma ad\u0131 da verilen halesinin ve kuyru\u011funun ortaya \u00e7\u0131kt\u0131\u011f\u0131, s\u0131n\u0131fland\u0131rmas\u0131n\u0131n ise 2006\u2019da Michael Read ve di\u011fer iki bilim insan\u0131 taraf\u0131ndan yap\u0131ld\u0131\u011f\u0131 kaydedildi.<\/p>\n
Geleneksel kuyruklu y\u0131ld\u0131zlar\u0131n, buz halindeki suyun G\u00fcne\u015f \u0131\u015f\u0131nlar\u0131ndan uzakta oldu\u011fu i\u00e7in korunabilece\u011fi bir alan olan Nept\u00fcn\u2019\u00fcn y\u00f6r\u00fcngesinin \u00f6tesinde bulundu\u011fu, kuyruklar\u0131n\u0131n G\u00fcne\u015f\u2019e yakla\u015ft\u0131k\u00e7a buharla\u015fan donmu\u015f maddelerden olu\u015ftu\u011fu belirtildi.<\/p>\n
\u00c7al\u0131\u015fman\u0131n lideri, Maryland \u00dcniversitesi \u00f6\u011fretim \u00fcyesi, astronom Michael Kelley, \u201cGe\u00e7mi\u015fte ana ku\u015fakta kuyruklu y\u0131ld\u0131zlar\u0131n t\u00fcm \u00f6zelliklerine sahip uzay cisimleri g\u00f6rd\u00fck ancak yaln\u0131zca Webb\u2019den gelen bu kesin izgesel verilerle bu g\u00f6r\u00fcnt\u00fcleri olu\u015fturan\u0131n kesinlikle su buzu oldu\u011funu s\u00f6yleyebiliriz\u201d dedi.<\/p>\n
\u00d6te yandan, Webb\u2019den gelen \u00f6l\u00e7\u00fcmler, 238P\/Read Kuyruklu Y\u0131ld\u0131z\u0131\u2019nda karbondioksit olmad\u0131\u011f\u0131n\u0131 g\u00f6sterdi.<\/p>\n
Ara\u015ft\u0131rmac\u0131lar, normal \u015fartlarda bir kuyruklu y\u0131ld\u0131z\u0131n buharla\u015fabilen maddesinin yakla\u015f\u0131k y\u00fczde 10\u2019unun karbondioksitten olu\u015ftu\u011funu, Read\u2019da s\u00f6z konusu gaz\u0131n olmamas\u0131n\u0131n suyun varl\u0131\u011f\u0131ndan daha \u015fa\u015f\u0131rt\u0131c\u0131 oldu\u011funa i\u015faret edildi.<\/p>\n
Konunun iki mant\u0131kl\u0131 a\u00e7\u0131klamas\u0131 olabilece\u011fini kaydeden Kelley, \u201cRead\u2019in Asteroit Ku\u015fa\u011f\u0131\u2019nda uzun s\u00fcre kalmas\u0131 bunun olas\u0131 sebeplerinden birisi olabilir, karbondioksit su buzundan daha kolay buharla\u015f\u0131r ve milyarlarca y\u0131l i\u00e7inde kuyruklu y\u0131ld\u0131zdan ayr\u0131lm\u0131\u015f olabilir\u201d dedi.<\/p>\n
Kelley, ikinci olas\u0131l\u0131\u011f\u0131n Read Kuyruklu Y\u0131ld\u0131z\u0131\u2019n\u0131n G\u00fcne\u015f Sistemi\u2019nin karbondioksit i\u00e7ermeyen s\u0131cak bir b\u00f6lgesinde olu\u015fmas\u0131 olabilece\u011fini vurgulad\u0131.<\/p>\n
Ara\u015ft\u0131rman\u0131n yazarlar\u0131ndan, Astronomi Ara\u015ft\u0131rma \u00dcniversiteleri Birli\u011finden (AURA) Heidi Hammel, Asteroit Ku\u015fa\u011f\u0131\u2019ndaki g\u00f6k cisimlerinin k\u00fc\u00e7\u00fck ve s\u00f6n\u00fck olmas\u0131 nedeniyle \u00f6nceden tespitinin zor oldu\u011funu belirterek Webb Teleskobu\u2019nun imkanlar\u0131yla di\u011fer ana ku\u015fak kuyruklu y\u0131ld\u0131zlarda da karbondioksit olup olmad\u0131\u011f\u0131n\u0131 ara\u015ft\u0131racaklar\u0131n\u0131 ifade etti. (AA)<\/p>\n","protected":false},"excerpt":{"rendered":"
James Webb Uzay Teleskobu (JWST) G\u00fcne\u015f Sistemi ana Asteroid Ku\u015fa\u011f\u0131’nda bulunan ve D\u00fcnya okyanuslar\u0131n\u0131n kayna\u011f\u0131 olabilece\u011fi de\u011ferlendirilen ilk su ke\u015ffini yapt\u0131.<\/p>\n","protected":false},"author":1,"featured_media":91167,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[141,11130,11922,11923,2502],"class_list":["post-91166","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","tag-dunya","tag-karbondioksit","tag-kuyruklu-yildiz","tag-read","tag-webb"],"_links":{"self":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts\/91166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=91166"}],"version-history":[{"count":1,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts\/91166\/revisions"}],"predecessor-version":[{"id":91168,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts\/91166\/revisions\/91168"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/media\/91167"}],"wp:attachment":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=91166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=91166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=91166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}