{"id":28548,"date":"2018-08-17T07:15:31","date_gmt":"2018-08-17T04:15:31","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=28548"},"modified":"2018-08-16T21:07:53","modified_gmt":"2018-08-16T18:07:53","slug":"en-sicak-gezegenin-atmosferi-buharlasmis-titanyum-ve-demirden-olusuyor","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2018\/08\/17\/en-sicak-gezegenin-atmosferi-buharlasmis-titanyum-ve-demirden-olusuyor","title":{"rendered":"\u2018En s\u0131cak gezegen\u2019in atmosferi, buharla\u015fm\u0131\u015f titanyum ve demirden olu\u015fuyor!"},"content":{"rendered":"

Ge\u00e7ti\u011fimiz y\u0131l ke\u015ffedilen Kelt-9b gezegeni \u00fczerinde yap\u0131lan yeni \u00e7al\u0131\u015fma, gezegenin atmosferinin buharla\u015fm\u0131\u015f titanyum ve demirden olu\u015ftu\u011funu ortaya \u00e7\u0131kard\u0131.<\/p>\n

Kelt-9b ismi verilen gezegen, ge\u00e7ti\u011fimiz y\u0131l Amerika\u2019da \u00e7al\u0131\u015fma y\u00fcr\u00fcten bir ekip taraf\u0131ndan ke\u015ffedildi. Gezegen, Cygnus tak\u0131my\u0131ld\u0131z\u0131na yery\u00fcz\u00fcnden yakla\u015f\u0131k 650 \u0131\u015f\u0131k y\u0131l\u0131 uzakl\u0131kta bulunan bir y\u0131ld\u0131z\u0131n y\u00f6r\u00fcngesinde bulunuyor. S\u0131cakl\u0131\u011f\u0131 ultra d\u00fczeyde y\u00fcksek olan gezegenin ana y\u0131ld\u0131za olan uzakl\u0131\u011f\u0131, D\u00fcnya\u2019n\u0131n G\u00fcne\u015f\u2019e olan uzakl\u0131\u011f\u0131n\u0131n 30\u2019da biri kadar. Gezegenin ana y\u0131ld\u0131z\u0131 ise, en az G\u00fcne\u015f kadar s\u0131cak. Sonu\u00e7 olarak, Kelt-9b\u2019nin ana y\u0131ld\u0131za bakan taraf\u0131 4 bin santigrat dereceye kadar uzanan bir s\u0131cakl\u0131\u011fa sahip ve gezegen, 6 bin santigrat derece s\u0131cakl\u0131kta bulunan G\u00fcne\u015f kadar s\u0131cak olmasa da pek \u00e7ok y\u0131ld\u0131zdan \u00e7ok daha s\u0131cak.<\/p>\n

\u2018Orada garip bir \u015feyler var\u2019<\/strong><\/p>\n

Gezegen \u00fczerindeki \u00e7al\u0131\u015fmay\u0131 y\u00fcr\u00fcten Bern \u00dcniversitesi\u2019nden Profes\u00f6r Kevin Heng, \u201cOrada garip bir \u015feyler var\u201d dedi\u011fi gezegen hakk\u0131nda, \u201c\u00c7ok \u00e7\u0131lg\u0131nca, sadece bir gezegen olmas\u0131na ra\u011fmen bir y\u0131ld\u0131z\u0131n atmosferine sahip\u201d a\u00e7\u0131klamalar\u0131nda bulunuyor ve galaksimiz d\u0131\u015f\u0131nda kalan di\u011fer gezegenleri anlamak i\u00e7in sadece G\u00fcne\u015f Sistemi\u2019ne bak\u0131lamayaca\u011f\u0131n\u0131 vurguluyor.<\/p>\n

\"\"
\u00c7al\u0131\u015fmay\u0131 y\u00fcr\u00fcten ekip, s\u00f6z konusu gezegeni g\u00f6zlemleyebilmek i\u00e7in Kanarya Adalar\u0131\u2019nda bulunan Galileo Ulusal Teleskopunu kulland\u0131. Gezegenden gelen \u0131\u015f\u0131k \u00fczerinde yap\u0131lan \u00e7al\u0131\u015fmalar ile g\u00f6kbilimciler, gezegenin atmosferindeki bile\u015fenleri tespit edebildiler.<\/figcaption><\/figure>\n

Ana y\u0131ld\u0131za olan yak\u0131nl\u0131\u011f\u0131 nedeniyle, Kelt-9b gezegeni her 36 saatte bir d\u00f6n\u00fc\u015f\u00fcn\u00fc tamamlar. D\u00f6n\u00fc\u015f s\u0131ras\u0131nda hep ayn\u0131 taraf y\u00f6r\u00fcngenin i\u00e7ine do\u011fru bakar. Bu nedenle gezegenin bir taraf\u0131nda her zaman sabit bir g\u00fcnd\u00fcz, bir taraf\u0131nda ise sabit bir gece olur. Bu durumda gezegen boyunca a\u015f\u0131r\u0131 s\u0131cak ve s\u0131cak olarak tan\u0131mlanabilecek farkl\u0131 s\u0131cakl\u0131k de\u011ferlerine sahip b\u00f6lgeler olu\u015fur. S\u0131cakl\u0131k varyasyonlar\u0131n\u0131n olu\u015ftu\u011fu bu durumda, gezegenin gece taraf\u0131n\u0131n s\u0131cakl\u0131\u011f\u0131n\u0131n 2 bin santigrat derece oldu\u011fu d\u00fc\u015f\u00fcn\u00fclmektedir.<\/p>\n

Yeni teknikler, yeni gezegenleri incelemek i\u00e7in alan sa\u011flar m\u0131?<\/strong><\/p>\n

Nature<\/em>\u2019da yay\u0131mlanan son g\u00f6zlemlere g\u00f6re; y\u00f6r\u00fcngenin ayr\u0131nt\u0131l\u0131 \u00f6l\u00e7\u00fcmlerinden yeni bir tak\u0131m bulgular elde edildi. Bu bulgular, gezegenin gaz halinde bulundu\u011funu, muhtemelen daha \u00e7ok hidrojen i\u00e7erdi\u011fini ve gezegenin k\u00fc\u00e7\u00fck kat\u0131 bir \u00e7ekirde\u011fe sahip oldu\u011funu da ortaya \u00e7\u0131kard\u0131.<\/p>\n

\u00c7al\u0131\u015fmay\u0131 y\u00fcr\u00fcten ekip, s\u00f6z konusu gezegeni g\u00f6zlemleyebilmek i\u00e7in Kanarya Adalar\u0131\u2019nda bulunan Galileo Ulusal Teleskopunu kulland\u0131. Gezegenden gelen \u0131\u015f\u0131k \u00fczerinde yap\u0131lan \u00e7al\u0131\u015fmalar ile g\u00f6kbilimciler, gezegenin atmosferindeki bile\u015fenleri tespit edebildiler ve atmosfer i\u00e7erisinde titanyum ve demir buhar\u0131 bulundu\u011funu g\u00f6zlemlediler. Bu \u00e7al\u0131\u015fmayla birlikte, G\u00fcne\u015f Sistemi\u2019nin olduk\u00e7a \u00f6tesinde bir yerde metal i\u00e7eren bir gezenin varl\u0131\u011f\u0131 ilk kez ortaya konulmu\u015f oldu. Benzer tekniklerin kullan\u0131m\u0131yla, evrenin ba\u015fka yerlerinde de \u00e7al\u0131\u015fmalar y\u00fcr\u00fct\u00fclebilece\u011fi; bu sayede gezegenlerdeki canl\u0131l\u0131\u011fa dair tespitlerin bile yap\u0131labilece\u011fi d\u00fc\u015f\u00fcn\u00fclmekte. \u00c7al\u0131\u015fman\u0131n y\u00fcr\u00fct\u00fcc\u00fclerinden Heng, konuyla ilgili olarak \u015funlar\u0131 s\u00f6yl\u00fcyor:<\/p>\n

\"\"
Ge\u00e7ti\u011fimiz y\u0131l ke\u015ffedilen \u2018En s\u0131cak gezegen\u2019 Kelt-9b ve ana y\u0131ld\u0131z\u0131n g\u00f6r\u00fcnt\u00fcs\u00fc.<\/figcaption><\/figure>\n

\u201cBu \u00e7al\u0131\u015fmadaki esas nokta; titanyum, oksijen ya da ya\u015fam\u0131n g\u00f6stergesi olan tuhaf bir molek\u00fcl\u00fc tespit etmeye \u00e7al\u0131\u015fmak de\u011fil. Bu s\u0131cak gezegenler, \u00f6n\u00fcm\u00fczdeki birka\u00e7 y\u0131l i\u00e7inde ger\u00e7ekten ilgin\u00e7 gezegenleri ortaya \u00e7\u0131karmaya ba\u015flad\u0131\u011f\u0131m\u0131zda kullanaca\u011f\u0131m\u0131z teknikler i\u00e7in bir test alan\u0131d\u0131r.\u201d<\/p>\n

Kaynak<\/strong><\/p>\n

1) https:\/\/www.scmp.com\/ news\/world\/article\/2159933\/ insane-planet-so-hot-its- atmosphere-made-vaporised- titanium-and-iron<\/p>\n","protected":false},"excerpt":{"rendered":"

Ge\u00e7ti\u011fimiz y\u0131l ke\u015ffedilen Kelt-9b gezegeni \u00fczerinde yap\u0131lan yeni \u00e7al\u0131\u015fma, gezegenin atmosferinin buharla\u015fm\u0131\u015f titanyum ve demirden olu\u015ftu\u011funu ortaya \u00e7\u0131kard\u0131. Kelt-9b ismi verilen gezegen, ge\u00e7ti\u011fimiz y\u0131l Amerika\u2019da \u00e7al\u0131\u015fma y\u00fcr\u00fcten bir ekip taraf\u0131ndan ke\u015ffedildi. Gezegen, Cygnus tak\u0131my\u0131ld\u0131z\u0131na yery\u00fcz\u00fcnden yakla\u015f\u0131k 650 \u0131\u015f\u0131k y\u0131l\u0131 uzakl\u0131kta bulunan bir y\u0131ld\u0131z\u0131n y\u00f6r\u00fcngesinde bulunuyor. S\u0131cakl\u0131\u011f\u0131 ultra d\u00fczeyde y\u00fcksek olan gezegenin ana y\u0131ld\u0131za olan uzakl\u0131\u011f\u0131, […]<\/p>\n","protected":false},"author":1390,"featured_media":28549,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[3943,3945,3944,297,3942],"class_list":["post-28548","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-en-sicak-gezegen","tag-galileo-ulusal-teleskopu","tag-gezegen-yorungeleri","tag-gunes-sistemi","tag-kelt-9b"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/28548","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\/1390"}],"replies":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=28548"}],"version-history":[{"count":0,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/28548\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media\/28549"}],"wp:attachment":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=28548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=28548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=28548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}