Yay\u0131mlanan kapsaml\u0131 jeolojik ve biyolojik raporlara nazaran, Taylor Buzulu\u2019nun derinliklerinden y\u00fczeye \u00e7\u0131kan bu k\u0131rm\u0131z\u0131 su, san\u0131ld\u0131\u011f\u0131 \u00fczere kolay bir mineral ak\u0131nt\u0131s\u0131 de\u011fil. Bilim insanlar\u0131, oksijen ve g\u00fcne\u015f \u0131\u015f\u0131\u011f\u0131ndan b\u00fcsb\u00fct\u00fcn kopuk bir ortamda milyonlarca y\u0131ld\u0131r ya\u015fayan mikroorganizmalar\u0131n izine ula\u015ft\u0131.<\/p>\n
\u015eELALEY\u0130 KIRMIZIYA BOYAN NE?<\/strong><\/p>\n Uzun y\u0131llar boyunca rengin nedeni demir oksit olarak a\u00e7\u0131klan\u0131yordu. Fakat Johns Hopkins \u00dcniversitesi \u00f6nc\u00fcl\u00fc\u011f\u00fcnde y\u00fcr\u00fct\u00fclen yeni \u00e7al\u0131\u015fmada, suyun i\u00e7inde \u201cnano k\u00fcre\u201d olarak isimlendirilen, demir a\u00e7\u0131s\u0131ndan son derece varl\u0131kl\u0131 mikroskobik par\u00e7ac\u0131klar tespit edildi. Bu yap\u0131lar, buzun alt\u0131ndan \u00e7\u0131kan su oksijenle temas etti\u011finde saniyeler i\u00e7inde oksitlenerek \u015felaleye kan rengini veriyor.<\/p>\n Ara\u015ft\u0131rmac\u0131lar, bu par\u00e7ac\u0131klar\u0131n kristal de\u011fil cam gibisi bir formda oldu\u011funu ve bu sayede suyun i\u00e7inde ask\u0131da kalarak \u015felalenin \u00fcrk\u00fct\u00fcc\u00fc g\u00f6r\u00fcn\u00fcm\u00fcn\u00fc olu\u015fturdu\u011funu belirtiyor. Bulgular, Mars ve J\u00fcpiter\u2019in buzlu uydular\u0131nda benzeri \u00f6m\u00fcr izlerinin aranabilece\u011fi ihtimalini de g\u00fc\u00e7lendirdi.<\/p>\n 1,5 M\u0130LYON YILDIR \u0130ZOLE B\u0130R YA\u015eAM<\/strong><\/p>\n As\u0131l dikkat cazip ke\u015fif ise buzun yakla\u015f\u0131k 400 metre alt\u0131nda gizli. \u00c7ok tuzlu bir yeralt\u0131 g\u00f6l\u00fc, deniz d\u00fczeyinin \u00e7ekildi\u011fi devirde burada hapsoldu ve o g\u00fcnden bu yana d\u0131\u015f d\u00fcnyayla hi\u00e7bir temas kurmad\u0131. Bu kapal\u0131 sistemin, kendi kendine yeten bir g\u00fc\u00e7 d\u00f6ng\u00fcs\u00fc olu\u015fturdu\u011fu belirlendi.<\/p>\n Bu ortamda ya\u015fayan mikroorganizmalar\u0131n, fotosentez yerine demir ve s\u00fclfat temelli kimyasal tepkilerle hayatta kald\u0131\u011f\u0131 tespit edildi. Uzmanlara nazaran bu durum, \u201coksijensiz ve karanl\u0131k ortamlarda hayat m\u00fcmk\u00fcn m\u00fc?\u201d sorusuna verilen en somut kar\u015f\u0131l\u0131k niteli\u011finde.<\/p>\n BUZUN ALTINDAK\u0130 SU NEDEN DONMUYOR?<\/strong><\/p>\n Antarktika\u2019n\u0131n \u00e7ok so\u011fu\u011funa kar\u015f\u0131n suyun s\u0131v\u0131 kalmas\u0131n\u0131n nedeni de netle\u015fti. Y\u00fcksek tuz oran\u0131 donma noktas\u0131n\u0131 \u00f6nemli bi\u00e7imde d\u00fc\u015f\u00fcr\u00fcrken, buz katman\u0131n\u0131n uygulad\u0131\u011f\u0131 bas\u0131n\u00e7 ve ak\u0131\u015f s\u0131ras\u0131nda a\u00e7\u0131\u011fa \u00e7\u0131kan \u0131s\u0131, suyun donmas\u0131n\u0131 engelliyor.<\/p>\n Bilim insanlar\u0131, Kan \u015eelalesi\u2019nin D\u00fcnya \u00fczerindeki en k\u0131ymetli do\u011fal laboratuvarlardan biri haline geldi\u011fini vurguluyor. Bu e\u015fsiz ekosistemin korunarak incelenmesi, hem gezegenimizin ge\u00e7mi\u015fine hem de kozmosta hayat muhtemelli\u011fine dair kritik ipu\u00e7lar\u0131 sunuyor.<\/p>\n","protected":false},"excerpt":{"rendered":" Antarktika\u2019da buzun i\u00e7inden akan kan k\u0131rm\u0131z\u0131s\u0131 suyun s\u0131rr\u0131 \u00e7\u00f6z\u00fcld\u00fc. Yap\u0131lan son tahliller, Kan \u015eelalesi\u2019nin alt\u0131nda 1,5 milyon y\u0131ld\u0131r izole bi\u00e7imde varl\u0131\u011f\u0131n\u0131 s\u00fcrd\u00fcren sakl\u0131 bir ekosistemi ortaya \u00e7\u0131kard\u0131.<\/p>\n","protected":false},"author":1,"featured_media":94372,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[242],"class_list":["post-94371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dunya","tag-buz"],"_links":{"self":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts\/94371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/comments?post=94371"}],"version-history":[{"count":1,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts\/94371\/revisions"}],"predecessor-version":[{"id":94373,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts\/94371\/revisions\/94373"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/media\/94372"}],"wp:attachment":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/media?parent=94371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/categories?post=94371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/tags?post=94371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}