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G\u00f6kbilimciler, radar verilerinin analizi sayesinde Ven\u00fcs\u2019\u00fcn y\u00fczeyinin alt\u0131nda devasa bir yap\u0131 ke\u015ffetti. Yeralt\u0131ndaki bu olu\u015fumun, gezegende ge\u00e7mi\u015fte yayg\u0131n olan antik volkanik faaliyetlerin bir kal\u0131nt\u0131s\u0131 oldu\u011fu d\u00fc\u015f\u00fcn\u00fcl\u00fcyor.<\/p>\n
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Benzer kan\u0131tlar daha \u00f6nce Mars\u2019ta ve D\u00fcnya\u2019n\u0131n uydusu Ay\u2019da da tespit edilmi\u015fti.<\/p>\n
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\u0130talya\u2019daki Trento \u00dcniversitesi\u2019nden astronomlar\u0131n hakemli Nature Communications dergisinde yay\u0131mlanan \u00e7al\u0131\u015fmas\u0131na g\u00f6re bu ke\u015fif, Ven\u00fcs\u2019\u00fcn jeolojik evrimini \u015fekillendiren s\u00fcre\u00e7lere yeni bir \u0131\u015f\u0131k tutuyor.<\/p>\n
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Ara\u015ft\u0131rmay\u0131 koordine eden Prof. Lorenzo Bruzzone, bunun Ven\u00fcs\u2019\u00fcn y\u00fczeyinin alt\u0131nda ger\u00e7ekle\u015fen s\u00fcre\u00e7leri ilk kez dolayl\u0131 da olsa g\u00f6zlemleme imk\u00e2n\u0131 sundu\u011funu belirtiyor.<\/p>\n
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Bruzzone, \u201cVen\u00fcs hakk\u0131ndaki bilgimiz h\u00e2l\u00e2 olduk\u00e7a s\u0131n\u0131rl\u0131. Bug\u00fcne kadar D\u00fcnya\u2019n\u0131n \u2018ikiz gezegeni\u2019 olarak an\u0131lan Ven\u00fcs\u2019\u00fcn y\u00fczeyinin alt\u0131nda neler olup bitti\u011fini do\u011frudan g\u00f6zlemleme \u015fans\u0131m\u0131z olmam\u0131\u015ft\u0131. Bir volkanik bo\u015flu\u011fun tespit edilmesi bu nedenle son derece \u00f6nemli; \u00e7\u00fcnk\u00fc uzun y\u0131llard\u0131r yaln\u0131zca teorik olarak var oldu\u011fu d\u00fc\u015f\u00fcn\u00fclen yap\u0131lar\u0131 do\u011frulamam\u0131za olanak sa\u011fl\u0131yor\u201d dedi.<\/p>\n
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LAV T\u00dcNEL\u0130 KANITI<\/strong><\/p>\n \u00a0<\/p>\n Ara\u015ft\u0131rman\u0131n en dikkat \u00e7ekici bulgusu, gezegenin Nyx Mons b\u00f6lgesinde tespit edilen b\u00fcy\u00fck bir yeralt\u0131 bo\u015flu\u011fu. Bilim<\/a> insanlar\u0131 bu yap\u0131y\u0131, volkanik patlamalar s\u0131ras\u0131nda lav\u0131n akmas\u0131yla olu\u015fan ve sonras\u0131nda bo\u015f kalan bir lav t\u00fcneli olarak yorumluyor.<\/p>\n \u00a0<\/p>\n Radar verilerine dayanan analizlere g\u00f6re s\u00f6z konusu yap\u0131n\u0131n yakla\u015f\u0131k 1 kilometre \u00e7ap\u0131nda oldu\u011fu, tavan kal\u0131nl\u0131\u011f\u0131n\u0131n en az 150 metre, i\u00e7indeki bo\u015flu\u011fun derinli\u011finin ise 375 metreden fazla oldu\u011fu tahmin ediliyor.<\/p>\n \u00a0<\/p>\n \u00dcstelik bu lav t\u00fcneli, D\u00fcnya, Ay ve Mars\u2019ta bilinen \u00f6rneklerden daha geni\u015f ve daha y\u00fcksek. \u00c7evredeki arazi yap\u0131s\u0131 ve benzer \u00e7\u00f6k\u00fcnt\u00fclerin varl\u0131\u011f\u0131, bu yeralt\u0131 kanallar\u0131n\u0131n en az 45 kilometre boyunca uzanabilece\u011fine i\u015faret ediyor.<\/p>\n \u00a0<\/p>\n GELECEK G\u00d6REVLER \u0130\u00c7\u0130N KR\u0130T\u0130K<\/strong><\/p>\n \u00a0<\/p>\n Ara\u015ft\u0131rmac\u0131lara g\u00f6re geli\u015ftirilen radar analiz y\u00f6ntemi, gelecekte Ven\u00fcs\u2019\u00fcn alt\u0131nda daha fazla benzer yap\u0131n\u0131n ortaya \u00e7\u0131kar\u0131lmas\u0131n\u0131 sa\u011flayabilir. Bu bulgular, Avrupa Uzay<\/a> Ajans\u0131\u2019n\u0131n Envision ve NASA\u2019n\u0131n Veritas g\u00f6revleri a\u00e7\u0131s\u0131ndan da b\u00fcy\u00fck \u00f6nem ta\u015f\u0131yor. Her iki uzay arac\u0131 da daha y\u00fcksek \u00e7\u00f6z\u00fcn\u00fcrl\u00fckl\u00fc radar sistemleriyle Ven\u00fcs\u2019\u00fcn y\u00fczeyini ve y\u00fczey alt\u0131n\u0131 ayr\u0131nt\u0131l\u0131 bi\u00e7imde inceleyecek.<\/p>\n \u00a0<\/p>\n Bu \u00e7al\u0131\u015fman\u0131n sonu\u00e7lar\u0131, Ven\u00fcs\u2019e y\u00f6nelik gelecekteki g\u00f6revler i\u00e7in son derece de\u011ferli. Zira geli\u015fmi\u015f radar sistemleri sayesinde k\u00fc\u00e7\u00fck y\u00fczey \u00e7ukurlar\u0131 ve yeralt\u0131 yap\u0131lar\u0131 da incelenebilecek ve Ven\u00fcs\u2019\u00fcn ge\u00e7mi\u015fine dair daha fazla bo\u015fluk doldurulacak.<\/p>\n<\/div>\n