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NASA<\/a>, Mars<\/a>\u2019ta g\u00f6rev yapan Perseverance ke\u015fif arac\u0131n\u0131n elde etti\u011fi \u201cyeni bir bulgu\u201dyu a\u00e7\u0131klamak \u00fczere nadir g\u00f6r\u00fclen bir bas\u0131n toplant\u0131s\u0131 d\u00fczenleyece\u011fini duyurdu.<\/p>\n A\u00e7\u0131klaman\u0131n oda\u011f\u0131nda, Temmuz 2024\u2019te Perseverance taraf\u0131ndan Neretva Vallis b\u00f6lgesinde toplanan ve \u201cSapphire Canyon\u201d ad\u0131 verilen kaya \u00f6rne\u011fi bulunuyor. Bilim insanlar\u0131 bu kayada \u201cbiyoi\u0307mza\u201d olarak adland\u0131r\u0131lan, eski mikrobiyal ya\u015fama i\u015faret edebilecek kimyasal izler olabilece\u011fini d\u00fc\u015f\u00fcn\u00fcyor.<\/p>\n Neretva Vallis, milyarlarca y\u0131l \u00f6nce nehirlerin akt\u0131\u011f\u0131 Jezero Krateri\u2019nin bir par\u00e7as\u0131. Bu nedenle Mars\u2019ta ya\u015fam aray\u0131\u015f\u0131 i\u00e7in en umut verici b\u00f6lgelerden biri kabul ediliyor.<\/p>\n \u00d6NCEK\u0130 \u00c7ALI\u015eMALAR VE BULUNAN \u0130ZLER<\/strong><\/p>\n NASA\u2019n\u0131n bu karar\u0131, Mart 2025\u2019te Teksas\u2019taki 56. Ay ve Gezegen Bilimleri Konferans\u0131\u2019nda sunulan bir \u00e7al\u0131\u015fmay\u0131 ak\u0131llara getirdi. Bilim insan\u0131 Joel Hurowitz liderli\u011finde y\u00fcr\u00fct\u00fclen ara\u015ft\u0131rmada, ayn\u0131 b\u00f6lgede \u201cha\u015fha\u015f tohumlar\u0131\u201d ve \u201cleopar benekleri\u201d olarak adland\u0131r\u0131lan s\u0131ra d\u0131\u015f\u0131 izler saptanm\u0131\u015ft\u0131. <\/p>\n Perseverance\u2019\u0131n tespit etti\u011fi demir ve fosfor gibi kimyasallar\u0131n, D\u00fcnya\u2019da genellikle mikroplar\u0131n organik maddeleri par\u00e7alamas\u0131 sonucu ortaya \u00e7\u0131kt\u0131\u011f\u0131 biliniyor.<\/p>\n Hurowitz\u2019in de bug\u00fcn ger\u00e7ekle\u015fecek NASA etkinli\u011finde konu\u015fmac\u0131lar aras\u0131nda yer alacak olmas\u0131, bu bulgunun s\u00f6z konusu \u00e7al\u0131\u015fmayla do\u011frudan ba\u011flant\u0131l\u0131 olabilece\u011fi yorumlar\u0131n\u0131 g\u00fc\u00e7lendirdi.<\/p>\n DAHA \u00d6NCEK\u0130 BENZER A\u00c7IKLAMALAR<\/strong><\/p>\n NASA ge\u00e7mi\u015fte de bu t\u00fcr bas\u0131n toplant\u0131lar\u0131yla bilim d\u00fcnyas\u0131n\u0131n dikkatini \u00e7ekmi\u015fti. 2018\u2019de Curiosity ke\u015fif arac\u0131n\u0131n Gale Krateri\u2019nde 3,5 milyar y\u0131ll\u0131k kaya \u00f6rneklerinde karma\u015f\u0131k organik molek\u00fcller buldu\u011fu duyurulmu\u015ftu. <\/p>\n 2020\u2019de ise Ven\u00fcs\u2019\u00fcn atmosferinde \u201cfosfin\u201d gaz\u0131n\u0131n ke\u015ffi, gezegenin biyolojik s\u00fcre\u00e7ler bar\u0131nd\u0131rabilece\u011fi tart\u0131\u015fmalar\u0131n\u0131 g\u00fcndeme ta\u015f\u0131m\u0131\u015ft\u0131.<\/p>\n G\u00d6ZLER BASIN TOPLANTISINDA<\/strong><\/p>\n NASA, bug\u00fcne kadar Mars\u2019ta ya da ba\u015fka bir gezegende ya\u015fam\u0131n varl\u0131\u011f\u0131n\u0131 kesin bi\u00e7imde do\u011frulamad\u0131. Ancak \u00c7ar\u015famba g\u00fcn\u00fc saat 18.00\u2019de (TS\u0130) yap\u0131lacak toplant\u0131n\u0131n, Mars\u2019ta olas\u0131 ya\u015fam izleriyle ilgili en \u00f6nemli a\u00e7\u0131klamalardan biri olmas\u0131 bekleniyor.<\/p>\n Toplant\u0131ya NASA\u2019n\u0131n yeni y\u00f6neticisi Sean Duffy, Mars Ke\u015fif K\u0131demli Bilim \u0130nsan\u0131 Lindsay Hays ve Perseverance Proje Bilimcisi Katie Stack Morgan da kat\u0131lacak.<\/p>\n<\/div>\n