{"id":6007,"date":"2018-08-16T12:00:05","date_gmt":"2018-08-16T09:00:05","guid":{"rendered":"https:\/\/iletim.istanbul.edu.tr\/?p=6007"},"modified":"2018-08-10T12:23:14","modified_gmt":"2018-08-10T09:23:14","slug":"bilim-deneylere-ihtiyac-duyar","status":"publish","type":"post","link":"https:\/\/iletim.istanbul.edu.tr\/index.php\/2018\/08\/16\/bilim-deneylere-ihtiyac-duyar\/","title":{"rendered":"\u201cBilim Deneylere \u0130htiya\u00e7 Duyar\u201d"},"content":{"rendered":"

Ya\u011fmur Meltem AT\u0130K, Tu\u011f\u00e7e AY\u00c7\u0130N<\/strong><\/p>\n

Mikroorganizmalar\u0131n uzayda ya\u015fayabilmesi ve g\u00f6kta\u015flar\u0131 i\u00e7erisinde D\u00fcnya\u2019ya gelebilmesi konusunu Astronomi ve Uzay Bilimleri B\u00f6l\u00fcm\u00fc\u2019nden Dr. \u00d6\u011fr. \u00dcyesi Mehmet Ta\u015fk\u0131n \u00c7ay de\u011ferlendirdi.<\/p>\n

Yer d\u0131\u015f\u0131nda ya\u015fam izinin olup olmamas\u0131 ve canl\u0131lar\u0131n ya\u015fam ko\u015fullar\u0131n\u0131n fiziksel s\u0131n\u0131rlar\u0131 son zamanlarda s\u0131k\u00e7a tart\u0131\u015f\u0131lan konular aras\u0131nda yer al\u0131yor. Uzaydaki ya\u015fam ko\u015fullar\u0131n\u0131n bilinen ya\u015fam ko\u015fullar\u0131ndan farkl\u0131 oldu\u011funa dikkat \u00e7eken Dr. \u00d6\u011fr. \u00dcyesi \u00c7ay, canl\u0131lar\u0131n ya\u015fam ko\u015fullar\u0131n\u0131 belirleyen fiziksel ko\u015fullar\u0131n bir\u00e7ok farkl\u0131 etkenden etkilendi\u011fini belirtti. \u00a0\u201cHer canl\u0131 belirli s\u0131n\u0131rlar i\u00e7inde ya\u015far. Suya, s\u0131cakl\u0131\u011fa, tuzlulu\u011fa ve bas\u0131nca g\u00f6re s\u0131n\u0131rlanan fiziksel ko\u015fullar vard\u0131r\u201d diyen Dr. \u00d6\u011fr. \u00dcyesi \u00c7ay, uzay ko\u015fullar\u0131n\u0131n bilinen ya\u015fam ko\u015fullar\u0131ndan farkl\u0131 oldu\u011funu vurgulad\u0131. Yery\u00fcz\u00fcnde okyanus dipleri ya da y\u00fcksek bas\u0131n\u00e7 alanlar\u0131 gibi a\u015f\u0131r\u0131 u\u00e7 ko\u015fullarda ya\u015fayan canl\u0131lardan \u00f6rnek veren Dr. \u00d6\u011fr. \u00dcyesi \u00c7ay, Mars\u2019ta, Ven\u00fcs\u2019te de b\u00f6yle ko\u015fullar\u0131n var oldu\u011funu ve ba\u011flant\u0131 kurulabilece\u011fini ifade etti.<\/p>\n

\"\"<\/a>
G\u00f6kta\u015f\u0131 Bakterisi<\/figcaption><\/figure>\n

Gezegenler Aras\u0131 Transfer<\/strong><\/p>\n

Gezegenler aras\u0131 transferin m\u00fcmk\u00fcn olabilece\u011finden belirten Dr. \u00d6\u011fr. \u00dcyesi \u00c7ay, bunun 3 fazda incelenmesi gereken bir konu oldu\u011funu s\u00f6yledi. Dr. \u00d6\u011fr. \u00dcyesi \u00c7ay, bu evreleri gezegenden kopu\u015f, gezegenler aras\u0131 seyahat ve var\u0131lacak gezegene giri\u015f \u015feklinde s\u0131ralarken, ifadelerini \u015fu \u015fekilde s\u00fcrd\u00fcrd\u00fc: \u201cCanl\u0131n\u0131n \u00e7arp\u0131\u015fma ve h\u0131zlanma ile olu\u015facak \u015fok bas\u0131nc\u0131na ve \u0131s\u0131ya dayanmas\u0131 gerekir. Mars\u2019tan kopabilecek kadar h\u0131zland\u0131r\u0131lm\u0131\u015f materyalin \u00fcst\u00fcnde mikroorganizmalar sa\u011f kalabiliyor. Mikroorganizman\u0131n g\u00f6kta\u015f\u0131 transferinde sa\u011f kalabilmesi g\u00f6kta\u015f\u0131n\u0131n b\u00fcy\u00fckl\u00fc\u011f\u00fcne ve bu canl\u0131n\u0131n g\u00f6kta\u015f\u0131 \u00fczerindeki konumuna ba\u011fl\u0131. G\u00f6kta\u015f\u0131 \u00e7ok b\u00fcy\u00fckse ve canl\u0131 i\u00e7 ya da yan k\u0131s\u0131mdaysa, mikroorganizma sa\u011f kalabilir.\u201d<\/p>\n

\"\"<\/a>
Dr. \u00d6\u011fr. \u00dcyesi Mehmet Ta\u015fk\u0131n \u00c7ay<\/figcaption><\/figure>\n

Mars\u2019tan Gelen G\u00f6kta\u015f\u0131: ALH 84001<\/strong><\/p>\n

Mars\u2019tan D\u00fcnya\u2019ya gelen ALH 84001 adl\u0131 g\u00f6kta\u015f\u0131 hakk\u0131nda bilgi veren Dr. \u00d6\u011fr. \u00dcyesi \u00c7ay, bu g\u00f6kta\u015f\u0131n\u0131n bulundu\u011funda 1,93\u00a0kg a\u011f\u0131rl\u0131\u011f\u0131nda oldu\u011funu ve mikroskobik d\u00fczeyde Mars bakteri fosilleri i\u00e7erebilece\u011fini ifade etti ve \u015f\u00f6yle konu\u015ftu: \u201cALH 84001 isimli g\u00f6kta\u015f\u0131, bulundu\u011funda 4.1 milyar y\u0131l ya\u015f\u0131ndayd\u0131. Bu bize Mars\u2019\u0131n ge\u00e7mi\u015finde \u00e7ekirdek ve manyetik alan olabilece\u011fini g\u00f6steriyor. Kesin ifadeler kullanmak i\u00e7in ise ara\u015ft\u0131rmalar yetersiz durumda\u201d Dr. \u00d6\u011fr. \u00dcyesi \u00c7ay son olarak farkl\u0131 gezegenden gelebilecek canl\u0131lar\u0131n yery\u00fcz\u00fcndeki canl\u0131lara zarar verip vermeyece\u011fi konusuna de\u011finerek \u015funlar\u0131 kaydetti: Ba\u011f\u0131\u015f\u0131kl\u0131k sistemi farkl\u0131l\u0131\u011f\u0131ndan dolay\u0131 savunma sistemi olu\u015fmaz ve yery\u00fcz\u00fcndeki canl\u0131lar bu durumdan zarar g\u00f6r\u00fcr. Bu noktada \u015funu s\u00f6ylemeliyiz ki; bilim bilmedi\u011fi \u015fey \u00fczerine konu\u015fmak istemez, her zaman deneylere ihtiya\u00e7 duyar.\u201d<\/p>\n

\"\"<\/a>
G\u00f6kta\u015f\u0131<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"

Mikroorganizmalar\u0131n uzayda ya\u015fayabilmesi ve g\u00f6kta\u015flar\u0131 i\u00e7erisinde D\u00fcnya\u2019ya gelebilmesi konusunu Astronomi ve Uzay Bilimleri B\u00f6l\u00fcm\u00fc\u2019nden Dr. \u00d6\u011fr. \u00dcyesi Mehmet Ta\u015fk\u0131n \u00c7ay de\u011ferlendirdi.<\/p>\n","protected":false},"author":14,"featured_media":6008,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":[],"jnews_primary_category":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":""},"categories":[24],"tags":[533,535,534],"class_list":["post-6007","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim","tag-gezegenler","tag-mehmet-taskin-cay","tag-mikroorganizmalar"],"_links":{"self":[{"href":"https:\/\/iletim.istanbul.edu.tr\/index.php\/wp-json\/wp\/v2\/posts\/6007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iletim.istanbul.edu.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iletim.istanbul.edu.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iletim.istanbul.edu.tr\/index.php\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/iletim.istanbul.edu.tr\/index.php\/wp-json\/wp\/v2\/comments?post=6007"}],"version-history":[{"count":0,"href":"https:\/\/iletim.istanbul.edu.tr\/index.php\/wp-json\/wp\/v2\/posts\/6007\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/iletim.istanbul.edu.tr\/index.php\/wp-json\/wp\/v2\/media\/6008"}],"wp:attachment":[{"href":"https:\/\/iletim.istanbul.edu.tr\/index.php\/wp-json\/wp\/v2\/media?parent=6007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iletim.istanbul.edu.tr\/index.php\/wp-json\/wp\/v2\/categories?post=6007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iletim.istanbul.edu.tr\/index.php\/wp-json\/wp\/v2\/tags?post=6007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}