{"id":39717,"date":"2020-01-14T10:57:31","date_gmt":"2020-01-14T07:57:31","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=39717"},"modified":"2020-01-14T10:58:48","modified_gmt":"2020-01-14T07:58:48","slug":"uc-yeni-gezegen-sistemi-kesfedildi-bulgular-gezegenlerin-jeolojik-yapisini-ortaya-cikariyor","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2020\/01\/14\/uc-yeni-gezegen-sistemi-kesfedildi-bulgular-gezegenlerin-jeolojik-yapisini-ortaya-cikariyor","title":{"rendered":"\u00dc\u00e7 yeni gezegen sistemi ke\u015ffedildi: Bulgular gezegenlerin jeolojik yap\u0131s\u0131n\u0131 ortaya \u00e7\u0131kar\u0131yor"},"content":{"rendered":"

Birle\u015fik Krall\u0131k\u2019ta bulunan bir \u00fcniversiteye ba\u011fl\u0131 \u00fc\u00e7 astronom, g\u00fcne\u015f sistemimiz d\u0131\u015f\u0131ndaki gezegenleri anlamam\u0131z yolunda \u00e7\u0131\u011f\u0131r a\u00e7\u0131c\u0131 bulgular\u0131n\u0131 a\u00e7\u0131klad\u0131lar. Profesor Carole Haswell, Dr. Daniel Staab ve Dr. John Barnes konumumuza yak\u0131n \u00fc\u00e7 yeni gezegen sistemi ke\u015ffettiler. Ara\u015ft\u0131rman\u0131n y\u00f6neticisi olan Profes\u00f6r Haswell, bu ke\u015ffi DMPP isimli proje kapsam\u0131nda ger\u00e7ekle\u015ftirdi.<\/p>\n

\"\"
DMPP-1.<\/figcaption><\/figure>\n

Proje UK Science ve Technology Facilities Council taraf\u0131ndan finanse edilmektedir. Projenin tak\u0131m\u0131 La Silla, \u015eili\u2019de bulunan Avrupa G\u00fcney Rasathanesi\u2019nin 3.6m\u2019lik, y\u00fcksek duyarl\u0131l\u0131\u011fa sahip olan ve gezegen ke\u015fiflerini m\u00fcmk\u00fcn k\u0131lan HARPS yard\u0131m\u0131yla bu gezegen sistemlerini saptad\u0131. Ara\u015ft\u0131rma ekibi DMPP-1, DMPP-2 ve DMPP-3 olarak bilinen y\u0131ld\u0131zlar \u00fczerinde \u00e7al\u0131\u015ft\u0131. Ke\u015ffedilen gezegenler DMPP-1b, DMPP-1c, DMPP-1d, DMPP-1e, DMPP-2b ve DMPP-3Ab bu y\u0131ld\u0131zlara \u00e7ok yak\u0131n konumdalar ve bu sebepten de 1100 ila 1800 derecelere kadar \u0131s\u0131nabilirler. Bu y\u00fckseklikte bir s\u0131cakl\u0131kta, gezegenin atmosferi ve hatta kaya\u00e7 y\u00fczeyi kaybolabilir ve bu kaybolan materyaller sa\u00e7\u0131larak ince bir gaz \u00f6rt\u00fcs\u00fc olu\u015fturabilir.<\/p>\n

Bu gaz tabakas\u0131 y\u0131ld\u0131zlar\u0131n yayd\u0131\u011f\u0131 \u0131\u015f\u0131\u011f\u0131n \u00f6n\u00fcne ge\u00e7erek filtre g\u00f6revi g\u00f6r\u00fcyor ve b\u00f6ylece y\u0131ld\u0131zlarda g\u00f6r\u00fclen ufak anomalileri saptayabiliyor ve gezegen ke\u015ffinde yol g\u00f6sterici oluyor. Bu tabakan\u0131n kimyasal kompozisyonun \u00f6l\u00e7\u00fclebilmesi ve bu sayede gelecekte gezegenin y\u00fczeyinde bulunan kaya t\u00fcr\u00fcn\u00fcn saptanabilmesi m\u00fcmk\u00fcn g\u00f6z\u00fck\u00fcyor.<\/p>\n

G\u00fcne\u015f sistemimiz d\u0131\u015f\u0131ndaki gezegenler<\/strong>
\nYeni ke\u015ffedilen gezegenler, \u00f6zellikle DMPP-1d, DMPP-1e ve DMPP-3Ab D\u00fcnya\u2019m\u0131z\u0131n G\u00fcne\u015f Sistemi d\u0131\u015f\u0131nda kalan kaya\u00e7 gezegenlerin jeolojisinin s\u0131rlar\u0131n\u0131 \u00e7\u00f6zmemizde anahtar g\u00f6revi g\u00f6rebilirler.<\/p>\n

\u00c7al\u0131\u015fman\u0131n yap\u0131ld\u0131\u011f\u0131 \u00fcniversitenin Astronomi b\u00f6l\u00fcm\u00fcn\u00fcn ba\u015fkan\u0131 olan Profes\u00f6r Carole Haswell\u2019in a\u00e7\u0131klamas\u0131 \u015fu \u015fekilde:<\/p>\n

\"\"
DMPP-2.<\/figcaption><\/figure>\n

“Bu yeni ke\u015fifler ileriki \u00e7al\u0131\u015fmalar\u0131m\u0131z i\u00e7in \u00e7ok umut verici. G\u00fcne\u015f sistemimiz d\u0131\u015f\u0131ndaki gezegenlerin k\u00fctlesi, boyutu ve kompozisyonun aras\u0131ndaki ba\u011flant\u0131y\u0131 da incelememize izin verilmeli. Bu sayede gezegenimizin t\u00fcr\u00fcn\u00fcn bir \u00f6rne\u011fi olup olmad\u0131\u011f\u0131n\u0131 saptayabiliriz. \u015eu anda sadece gezegenlerin genel yap\u0131s\u0131n\u0131 g\u00f6rebiliyoruz. \u00d6rne\u011fin g\u00fcne\u015f sistemimizdeki en fazla kaya\u00e7 \u00f6zelli\u011fi g\u00f6steren objeler olan D\u00fcnya ve Ven\u00fcs\u2019\u00fcn ayn\u0131 zamanda k\u00fctlelerinin kayda de\u011fer bir k\u0131sm\u0131n\u0131n demirden olu\u015fmas\u0131n\u0131n tesad\u00fcf olup olmad\u0131\u011f\u0131n\u0131 hala bilmiyoruz.”<\/p>\n

Yeni ke\u015fiflerin a\u00e7\u0131klamas\u0131<\/strong>
\nDMPP-1, her birinin birka\u00e7 g\u00fcn aral\u0131\u011f\u0131nda kendi y\u00f6r\u00fcngesinde d\u00f6nd\u00fc\u011f\u00fc ve D\u00fcnya\u2019n\u0131n k\u00fctlesinin 3 ila 10 kat\u0131 aras\u0131nda b\u00fcy\u00fckl\u00fckte gezegenlere sahip. Ayr\u0131ca y\u0131ld\u0131z\u0131n etraf\u0131ndaki turunu 20 g\u00fcnde tamamlayan Nept\u00fcn k\u00fctlesinde bir gezegeni daha mevcut.<\/p>\n

\u00c7al\u0131\u015fmaya kat\u0131lan biliminsanlar\u0131ndan Dr. Daniel Staab \u201cDMPP-1 \u00fc\u00e7 tane kompozisyonunu \u00f6l\u00e7ebilece\u011fimiz d\u00fc\u015f\u00fck k\u00fctlede \u00f6tegezegen ile \u00e7ok \u00f6nemli bir gezegen sistemine sahiplik yapmakta\u201d a\u00e7\u0131klamas\u0131nda bulundu.<\/p>\n

DMPP-2b ise J\u00fcpiter\u2019in k\u00fctlesinin yar\u0131s\u0131 ile bir dev gezegen. Y\u00f6r\u00fcngesini tamamlamas\u0131 be\u015f g\u00fcn s\u00fcrmekte. \u00d6nceki ara\u015ft\u0131rmalarda bu gezegen, sahip oldu\u011fu y\u0131ld\u0131z\u0131n titremesinin k\u00fctle\u00e7ekim kuvvetinin anla\u015f\u0131lmas\u0131 g\u00fc\u00e7 haline getirmesi nedeniyle saptanamam\u0131\u015ft\u0131.<\/p>\n

Bu ke\u015fiflerin en heyecan vericisine yorumda bulunan A\u00e7\u0131k \u00dcniversite\u2019nin ara\u015ft\u0131rmac\u0131lar\u0131ndan biri olan Dr. John Barnes \u201cDMPP-3 bizim i\u00e7in b\u00fcy\u00fck bir s\u00fcrpriz oldu. Y\u00f6r\u00fcngesinde d\u00f6nen, d\u00fc\u015f\u00fck k\u00fctleli olduk\u00e7a ufak bir gezegenden sinyal beklerken ilk kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131z \u015fey hesaba katmad\u0131\u011f\u0131m\u0131z refakat\u00e7\u0131 bir y\u0131ld\u0131z taraf\u0131ndan g\u00f6nderilen b\u00fcy\u00fck bir sinyal oldu\u201d a\u00e7\u0131klamalar\u0131nda bulundu.<\/p>\n

Bu e\u015flik\u00e7i y\u0131ld\u0131z DMPP-3b s\u0131n\u0131rdan da olsa hidrojen f\u00fczyonunu sa\u011flayabilecek b\u00fcy\u00fckl\u00fckteki y\u0131ld\u0131zlar s\u0131n\u0131f\u0131na dahil oluyor ve ayr\u0131ca G\u00fcne\u015f benzeri mekanizmas\u0131 olan y\u0131ld\u0131zlar aras\u0131ndaki en d\u00fc\u015f\u00fck k\u00fctleye sahip. Bu t\u00fcr ufak y\u0131ld\u0131zlar \u00e7ok s\u00f6n\u00fck ve ke\u015fifleri g\u00fc\u00e7. Bu y\u0131ld\u0131z\u0131n ke\u015ffinden sonra Dr. Barnes ve ekibi DMPP-3Ab ad\u0131nda d\u00fcnyam\u0131z\u0131n iki veya \u00fc\u00e7 kat\u0131 k\u00fctleye sahip, y\u0131ld\u0131z\u0131n\u0131n y\u00f6r\u00fcngesindeki s\u00fcrecini yedi g\u00fcnde tamamlayan gezegeni buldular. Dr. Barnes bunun \u00fczerine \u201cGezegenin oraya nas\u0131l geldi\u011fini g\u00f6rmek zor\u201d dedi.<\/p>\n

Kaynak:<\/strong> https:\/\/phys.org\/news\/2019-12-discoveries-reveal-geology-planets-solar.html<\/p>\n","protected":false},"excerpt":{"rendered":"

Birle\u015fik Krall\u0131k\u2019ta bulunan bir \u00fcniversiteye ba\u011fl\u0131 \u00fc\u00e7 astronom, g\u00fcne\u015f sistemimiz d\u0131\u015f\u0131ndaki gezegenleri anlamam\u0131z yolunda \u00e7\u0131\u011f\u0131r a\u00e7\u0131c\u0131 bulgular\u0131n\u0131 a\u00e7\u0131klad\u0131lar. Profesor Carole Haswell, Dr. Daniel Staab ve Dr. John Barnes konumumuza yak\u0131n \u00fc\u00e7 yeni gezegen sistemi ke\u015ffettiler. Ara\u015ft\u0131rman\u0131n y\u00f6neticisi olan Profes\u00f6r Haswell, bu ke\u015ffi DMPP isimli proje kapsam\u0131nda ger\u00e7ekle\u015ftirdi. Proje UK Science ve Technology Facilities Council taraf\u0131ndan […]<\/p>\n","protected":false},"author":2281,"featured_media":35973,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[861,297,1780,1658],"class_list":["post-39717","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-gezegen","tag-gunes-sistemi","tag-yildiz","tag-yorunge"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t