{"id":35465,"date":"2019-07-20T03:20:24","date_gmt":"2019-07-20T00:20:24","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=35465"},"modified":"2019-07-18T18:00:39","modified_gmt":"2019-07-18T15:00:39","slug":"yuzeydeki-buzu-suya-donusturebilen-madde-marsta-yasamin-onunu-acar-mi","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2019\/07\/20\/yuzeydeki-buzu-suya-donusturebilen-madde-marsta-yasamin-onunu-acar-mi","title":{"rendered":"Y\u00fczeydeki buzu suya d\u00f6n\u00fc\u015ft\u00fcrebilen madde, Mars\u2019ta ya\u015fam\u0131n \u00f6n\u00fcn\u00fc a\u00e7ar m\u0131?"},"content":{"rendered":"<p>Gezegenleri d\u00fcnyala\u015ft\u0131rma, bilim kurgunun ticari de\u011feri y\u00fcksek bir konusu olmas\u0131na ra\u011fmen Mars&#8217;\u0131 d\u00fcnya \u00fczerinde ya\u015fayan canl\u0131lar i\u00e7in ya\u015fanabilir hale getirmek i\u00e7in sunulan m\u00fchendislik \u00e7\u00f6z\u00fcmleri ise h\u00e2l\u00e2 \u00e7ok etkili de\u011fil.<\/p>\n<p>Nature Astronomy dergisinde yay\u0131nlanan bir makalede, Harvard \u00dcniversitesi&#8217;nden Robin Wordsworth liderli\u011findeki ekibin ara\u015ft\u0131rmalar\u0131, zeminin hemen \u00fcst\u00fcnde as\u0131l\u0131 duran silika aerojel malzemesinin y\u00fczey alan\u0131ndaki k\u00fc\u00e7\u00fck geni\u015flemelerin, buzu kal\u0131c\u0131 olarak suya d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in atmosfer s\u0131cakl\u0131\u011f\u0131n\u0131 art\u0131rabilece\u011fini g\u00f6sterdi.<\/p>\n<p>En fazla iki ila \u00fc\u00e7 santimetre kal\u0131nl\u0131kta olan yar\u0131 saydam aerojel; zararl\u0131 ultraviyole \u0131\u015f\u0131nlar\u0131n\u0131 filtrelerken, bitkilerin fotosentez yapmas\u0131 i\u00e7in gerekli \u0131\u015f\u0131\u011f\u0131n da ge\u00e7i\u015fini sa\u011flar. Ara\u015ft\u0131rmac\u0131lar\u0131n hesaplad\u0131\u011f\u0131 y\u00f6nteme g\u00f6re, koruyucular\u0131n alt\u0131ndaki hava s\u0131cakl\u0131\u011f\u0131 50 \u00b0C\u2019ye kadar y\u00fckseltilirse, y\u00fczey suyunu donma noktas\u0131n\u0131n \u00fczerine \u00e7\u0131kar\u0131larak bitki t\u00fcrlerinin toprakta ya\u015fayabilir hale gelmesi sa\u011flanabilir.<\/p>\n<figure id=\"attachment_35466\" aria-describedby=\"caption-attachment-35466\" style=\"width: 300px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-35466 size-medium\" src=\"https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/07\/2-27-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/07\/2-27-300x169.jpg 300w, https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/07\/2-27-768x432.jpg 768w, https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/07\/2-27-600x338.jpg 600w, https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/07\/2-27.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-35466\" class=\"wp-caption-text\">Mars topraklar\u0131ndaki fayl\u0131 tabakalar<\/figcaption><\/figure>\n<p>Wordsworth ve ekibi, laboratuvar deneyleri ve bilgisayar modellemelerini bir araya getirerek Mars&#8217;\u0131 \u00e7evre dostu yapacak ucuz ve mutluluk verici \u00e7\u00f6z\u00fcmlere ula\u015ft\u0131lar. Bu yakla\u015f\u0131m, se\u00e7ilen b\u00f6lgelerin kolonile\u015ftirilmesi ve topra\u011f\u0131n\u0131n i\u015flenebilmesi a\u00e7\u0131s\u0131ndan yerel ve yal\u0131t\u0131lm\u0131\u015f b\u00f6lgeler i\u00e7in idealdir. Mars\u2019\u0131 ya\u015fanabilir k\u0131lmaya y\u00f6nelik mevcut \u00f6nerilerin tam aksine, yazarlar bu stratejinin \u201c\u00d6ng\u00f6r\u00fclebilir bir gelecek i\u00e7in insan kapasitesinin \u00e7ok \u00f6tesinde olacak b\u00fcy\u00fck \u00e7evresel bir de\u011fi\u015fikli\u011fe neden olaca\u011f\u0131n\u0131\u201d belirtiyorlar.<\/p>\n<p>Mars&#8217;\u0131n \u00e7evresel ko\u015fullar\u0131na en uygun e\u015fle\u015fmeyi sa\u011flamak i\u00e7in aerojellerin kimyalar\u0131n\u0131 de\u011fi\u015ftirebilecek teknoloji olduk\u00e7a yayg\u0131nd\u0131r. Belirli b\u00f6lgelerin se\u00e7ilmesi ve yal\u0131t\u0131mla de\u011fi\u015ftirilmesine d\u00f6n\u00fck b\u00f6lgeye \u00f6zel yakla\u015f\u0131m; gezegen \u00e7ap\u0131nda bir alan olu\u015fturmak i\u00e7in kademeli olarak ba\u011flant\u0131 kurulabilece\u011fi \u00fczerinde durur. Ara\u015ft\u0131rmac\u0131lar; silika aerojel kalkanlar Mars y\u00fczeyinin buz zengini b\u00f6lgelerine yeterli miktarda yerle\u015ftirilirse, fotosentetik ya\u015fam\u0131n devam etmesinin sa\u011flanabilece\u011fini s\u00f6yl\u00fcyor. Ara\u015ft\u0131rmac\u0131lar; silika aerojel ile topra\u011f\u0131 i\u015fleme y\u00f6ntemlerinin, Mars\u2019a gitmeden \u00f6nce teknisyenler taraf\u0131ndan D\u00fcnya&#8217;daki en u\u00e7 ortamlarda daha fazla test edilebilece\u011fini de belirtiyor. Wordsworth ve ekibi, bu konuda kendilerine o kadar g\u00fcveniyorlar ki aerojelleri k\u0131z\u0131l gezegene g\u00f6t\u00fcrebilmek gibi daha \u00f6nemli meseleleri bile d\u00fc\u015f\u00fcn\u00fcyorlar.<\/p>\n<p>Mars\u2019ta k\u0131sa vadede fotosentetik hayat\u0131n ya\u015fanabilir hale gelme potansiyeli oldu\u011funu ve \u00f6nemli ahlaki ve felsefi sorular\u0131n d\u00fc\u015f\u00fcn\u00fclmesi gerekti\u011fini s\u00f6yl\u00fcyorlar ve ekliyorlar: \u201cEn a\u00e7\u0131k \u015fekilde; e\u011fer Mars bug\u00fcn hala mevcut bir hayata sahipse, onun varl\u0131\u011f\u0131n\u0131 s\u00fcrd\u00fcrmesi veya saptanmas\u0131 yery\u00fcz\u00fc merkezli mikroorganizmalar\u0131n mevcudiyeti taraf\u0131ndan engellenebilir.\u201d<\/p>\n<p><strong>Kaynak:<\/strong> https:\/\/cosmosmagazine.com\/space\/mars-could-be-habitable-beneath-a-thin-layer-of-gel<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gezegenleri d\u00fcnyala\u015ft\u0131rma, bilim kurgunun ticari de\u011feri y\u00fcksek bir konusu olmas\u0131na ra\u011fmen Mars&#8217;\u0131 d\u00fcnya \u00fczerinde ya\u015fayan canl\u0131lar i\u00e7in ya\u015fanabilir hale getirmek i\u00e7in sunulan m\u00fchendislik \u00e7\u00f6z\u00fcmleri ise h\u00e2l\u00e2 \u00e7ok etkili de\u011fil. Nature Astronomy dergisinde yay\u0131nlanan bir makalede, Harvard \u00dcniversitesi&#8217;nden Robin Wordsworth liderli\u011findeki ekibin ara\u015ft\u0131rmalar\u0131, zeminin hemen \u00fcst\u00fcnde as\u0131l\u0131 duran silika aerojel malzemesinin y\u00fczey alan\u0131ndaki k\u00fc\u00e7\u00fck geni\u015flemelerin, buzu [&hellip;]<\/p>\n","protected":false},"author":2054,"featured_media":35467,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[4651,1057,5056,5057],"class_list":["post-35465","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-buz","tag-mars","tag-silika-aerojel","tag-toprak"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/35465","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/users\/2054"}],"replies":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=35465"}],"version-history":[{"count":0,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/35465\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media\/35467"}],"wp:attachment":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=35465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=35465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=35465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}