{"id":131146,"date":"2013-03-02T14:06:21","date_gmt":"2013-03-02T12:06:21","guid":{"rendered":"http:\/\/www.nationalturk.com\/?p=131146"},"modified":"2013-03-02T14:06:21","modified_gmt":"2013-03-02T12:06:21","slug":"dunya-cevresi-yeni-radyasyon-kusagi-131146","status":"publish","type":"post","link":"https:\/\/www.nationalturk.com\/tr\/dunya-cevresi-yeni-radyasyon-kusagi-131146\/","title":{"rendered":"D\u00fcnya \u00e7evresinde yeni bir radyasyon ku\u015fa\u011f\u0131 bulundu"},"content":{"rendered":"

\"D\u00fcnya<\/a>D\u00fcnya \u00e7evresinde daha \u00f6nce varl\u0131\u011f\u0131 bilinmeyen 3. bir radyasyon ku\u015fa\u011f\u0131 bulundu.<\/h1>\n

Ke\u015ffedilen bu yeni, kararl\u0131 olmayan ve bazen ortaya \u00e7\u0131kan radyasyon ku\u015fa\u011f\u0131, Van Allen uzay ara\u015ft\u0131rma sondalar\u0131nda bulunan par\u00e7ac\u0131k belirleme ara\u00e7lar\u0131ndan g\u00f6nderilen verilerle ke\u015ffedildi.<\/p>\n

Sondalarda bulunan G\u00f6receli Elektron Proton Teleskopu’nun (REPT) yapt\u0131\u011f\u0131 y\u00fcksek \u00e7\u00f6z\u00fcn\u00fcrl\u00fckl\u00fc incelemeler sayesinde ke\u015ffedilen radyasyon ku\u015fa\u011f\u0131, Science adl\u0131 bilimsel derginin 28 \u015eubat say\u0131s\u0131nda bilim d\u00fcnyas\u0131na tan\u0131t\u0131ld\u0131.<\/p>\n

NASA taraf\u0131ndan 30 A\u011fustos 2012’de uzaya g\u00f6nderilen Van Allen sondalar\u0131, her birinde, tak\u0131m halinde birbirinin ayn\u0131 5 arac\u0131 bar\u0131nd\u0131ran odalar bulunan iki uzay ara\u015ft\u0131rma arac\u0131ndan olu\u015fuyor.<\/p>\n

D\u00fcnya’n\u0131n \u00e7evresindeki Van Allen ku\u015faklar\u0131 olarak adland\u0131r\u0131lan \u00f6nceki 2 radyasyon ku\u015fa\u011f\u0131, ABD’li fizik\u00e7i James A. Van Allen’in 1958’de “Explorer” suni uydusuyla yapt\u0131\u011f\u0131 deney sonucu bulunmu\u015ftu.<\/p>\n

D\u00fcnya’n\u0131n manyetik alanlar\u0131n\u0131n etkisiyle bi\u00e7imlenen \u0131\u015f\u0131n\u0131m ku\u015faklar\u0131 ya da b\u00f6lgelerine radyasyon ku\u015fa\u011f\u0131 ad\u0131 veriliyor. As\u0131l kayna\u011f\u0131n\u0131 sa\u011fanak halinde g\u00fcne\u015ften gelen \u00e7ok yo\u011fun y\u00fckl\u00fc par\u00e7ac\u0131klar\u0131n olu\u015fturdu\u011fu bu ku\u015faklar, g\u00fcne\u015f f\u0131rt\u0131nalar\u0131 ve uzay ikliminden etkilenerek \u00e7ok b\u00fcy\u00fck oranda geni\u015fleyebiliyor. Bu durum, uzayda bulunan ileti\u015fim ve K\u00fcresel Konumlama Sistemi (GPS) uydular\u0131n\u0131n yan\u0131 s\u0131ra astronotlar i\u00e7in de tehlike olu\u015fturabiliyor.<\/p>\n

NASA’n\u0131n, Washington’daki bilim b\u00f6l\u00fcm\u00fc yard\u0131mc\u0131 y\u00f6neticisi John Grunsfeld, \u00fcst\u00fcn yeteneklere ve son derece geli\u015fmi\u015f bir teknolojiye sahip Van Allen sondalar\u0131 sayesinde, bilimadamlar\u0131n\u0131n radyasyon ku\u015faklar\u0131n\u0131n nas\u0131l y\u00fckl\u00fc par\u00e7ac\u0131klarla doldu\u011fu konusunda daha \u00f6nce sahip olmad\u0131klar\u0131 \u00f6l\u00e7\u00fcde ayr\u0131nt\u0131l\u0131 bilgiye ula\u015ft\u0131klar\u0131n\u0131 vurgulad\u0131.<\/p>\n

Grunsfeld, sondalar\u0131n bu y\u00fckl\u00fc par\u00e7ac\u0131klar\u0131n de\u011fi\u015fimine neyin yola\u00e7t\u0131\u011f\u0131n\u0131 ve bu s\u00fcre\u00e7lerin D\u00fcnya atmosferinin \u00fcst tabakalar\u0131n\u0131 ne \u015fekilde etkiledi\u011finin i\u00e7 y\u00fcz\u00fcn\u00fc anlama f\u0131rsat\u0131 verece\u011fini s\u00f6zlerine ekledi.<\/p>\n\n","protected":false},"excerpt":{"rendered":"

D\u00fcnya \u00e7evresinde daha \u00f6nce varl\u0131\u011f\u0131 bilinmeyen 3. bir radyasyon ku\u015fa\u011f\u0131 bulundu.<\/p>\n","protected":false},"author":3,"featured_media":180113,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6224,6662],"tags":[546,124632,22396],"class_list":["post-131146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","category-yasam","tag-nasa","tag-science-dergisi","tag-washington"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.nationalturk.com\/tr\/wp-json\/wp\/v2\/posts\/131146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nationalturk.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nationalturk.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nationalturk.com\/tr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nationalturk.com\/tr\/wp-json\/wp\/v2\/comments?post=131146"}],"version-history":[{"count":0,"href":"https:\/\/www.nationalturk.com\/tr\/wp-json\/wp\/v2\/posts\/131146\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nationalturk.com\/tr\/wp-json\/wp\/v2\/media\/180113"}],"wp:attachment":[{"href":"https:\/\/www.nationalturk.com\/tr\/wp-json\/wp\/v2\/media?parent=131146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nationalturk.com\/tr\/wp-json\/wp\/v2\/categories?post=131146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nationalturk.com\/tr\/wp-json\/wp\/v2\/tags?post=131146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}