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![\"Ay](\"https:\/\/cdn1.ntv.com.tr\/gorsel\/CY99BCcFq0GwNV238Pme_Q.jpg?width=1200&mode=crop&scale=both\")
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NASA\u2019n\u0131n 1972\u2019deki Apollo 17 Ay g\u00f6revi s\u0131ras\u0131nda toplanan \u00f6rnekler, yar\u0131m y\u00fczy\u0131l sonra bile bilim insanlar\u0131n\u0131 \u015fa\u015f\u0131rtmaya devam ediyor. Ara\u015ft\u0131rmac\u0131lar, bu \u00f6rneklerde beklenmedik bir k\u00fck\u00fcrt izotopu ke\u015ffetti.<\/p>\n
Apollo 17 astronotlar\u0131 Gene Cernan ve Harrison Schmitt, Ay\u2019\u0131n Taurus Littrow b\u00f6lgesinde yer alan volkanik topraklardan \u00f6rnekler toplam\u0131\u015ft\u0131. NASA bu \u00f6rnekleri, Apollo Next Generation Sample Analysis (ANGSA) program\u0131 kapsam\u0131nda, hava ge\u00e7irmez helyum odalar\u0131nda yar\u0131m y\u00fczy\u0131l boyunca korudu. <\/p>\n
JGR: Planets dergisinde yay\u0131mlanan \u00e7al\u0131\u015fmaya g\u00f6re, g\u00fcn\u00fcm\u00fcz\u00fcn geli\u015fmi\u015f analiz teknikleriyle incelenen bu \u00f6rnekler, Ay\u2019\u0131n i\u00e7 yap\u0131s\u0131 ve ge\u00e7mi\u015fi hakk\u0131nda beklenmedik veriler sundu. Brown \u00dcniversitesi\u2019nden ara\u015ft\u0131rmac\u0131 James Dottin\u2019in iyon k\u00fctle spektrometresiyle yapt\u0131\u011f\u0131 incelemelerde, \u00f6rneklerdeki k\u00fck\u00fcrt izotoplar\u0131n\u0131n D\u00fcnya\u2019dakilerden \u00e7ok farkl\u0131 oranlarda oldu\u011fu ortaya \u00e7\u0131kt\u0131. \u201cAy mantosunun k\u00fck\u00fcrt izotop bile\u015fiminin D\u00fcnya\u2019yla ayn\u0131 olmas\u0131n\u0131 bekliyorduk,\u201d diyen Dottin, \u201cAma buldu\u011fumuz de\u011ferler tamamen farkl\u0131yd\u0131. \u0130lk tepkim \u2018Bu imk\u00e2ns\u0131z!\u2019 oldu,\u201d ifadelerini kulland\u0131. <\/p>\n
AY’IN K\u00d6KEN\u0130NE DA\u0130R \u0130K\u0130 OLASI SENARYO<\/strong><\/p>\n Ara\u015ft\u0131rmac\u0131lar, bu s\u0131ra d\u0131\u015f\u0131 k\u00fck\u00fcrt oranlar\u0131n\u0131n iki olas\u0131 a\u00e7\u0131klamas\u0131 oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyor: Bunlardan ilki Gen\u00e7 Ay atmosferi. Milyarlarca y\u0131l \u00f6nce Ay\u2019\u0131n ince bir atmosferi olmu\u015f olabilir. G\u00fcne\u015f\u2019ten gelen ultraviyole \u0131\u015f\u0131nlar, y\u00fczeydeki k\u00fck\u00fcrt bile\u015fenleriyle etkile\u015ferek bu izotop dengesizli\u011fini yaratm\u0131\u015f olabilir. Bu da Ay y\u00fczeyi ile i\u00e7 yap\u0131s\u0131 aras\u0131nda madde al\u0131\u015fveri\u015fi ya\u015fand\u0131\u011f\u0131n\u0131 g\u00f6sterebilir. Theia\u2019n\u0131n miras\u0131\u00a0olarak adland\u0131r\u0131lan i\u011fer bir olas\u0131l\u0131\u011fa g\u00f6re, bu farkl\u0131 k\u00fck\u00fcrt izotoplar\u0131 Ay\u2019\u0131 olu\u015fturan dev \u00e7arp\u0131\u015fmadan kalm\u0131\u015f olabilir. Bilim insanlar\u0131, Ay\u2019\u0131n Mars b\u00fcy\u00fckl\u00fc\u011f\u00fcnde Theia adl\u0131 bir g\u00f6kcisminin D\u00fcnya\u2019ya \u00e7arpmas\u0131 sonucu olu\u015ftu\u011funu d\u00fc\u015f\u00fcn\u00fcyor. E\u011fer bu do\u011fruysa, Ay\u2019daki k\u00fck\u00fcrt oranlar\u0131 Theia\u2019n\u0131n kimyasal izlerini ta\u015f\u0131yor olabilir. <\/p>\n G\u00dcNE\u015e S\u0130STEM\u0130’N\u0130N TAR\u0130H\u0130NE A\u00c7ILAN KAPI<\/strong><\/p>\n Hen\u00fcz hangi teorinin do\u011fru oldu\u011fu kesinle\u015fmi\u015f de\u011fil, ancak Dottin ve ekibi, Ay\u2019daki bu \u201cegzotik k\u00fck\u00fcrd\u00fcn\u201d G\u00fcne\u015f Sistemi\u2019nin erken d\u00f6nemine dair \u00f6nemli ipu\u00e7lar\u0131 sundu\u011funa inan\u0131yor. \u201cBu bulgular, Ay\u2019\u0131n nas\u0131l olu\u015ftu\u011funu ve hatta G\u00fcne\u015f Sistemi\u2019nin kimyasal evrimini anlamam\u0131zda yeni bir pencere a\u00e7\u0131yor,\u201d diyen Dottin, gelecekte Mars ve di\u011fer gezegenlerden al\u0131nacak \u00f6rneklerle kar\u015f\u0131la\u015ft\u0131rmal\u0131 analizler yapmay\u0131 planl\u0131yor.<\/p>\n