{"id":54555,"date":"2022-04-27T18:57:56","date_gmt":"2022-04-27T15:57:56","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=54555"},"modified":"2022-04-27T18:58:20","modified_gmt":"2022-04-27T15:58:20","slug":"gokbilimciler-ikinci-bir-ote-ay-kesfetti","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2022\/04\/27\/gokbilimciler-ikinci-bir-ote-ay-kesfetti","title":{"rendered":"G\u00f6kbilimciler ikinci bir “\u00f6te-Ay” ke\u015ffetti"},"content":{"rendered":"

Tarihte ke\u015ffedilmi\u015f, bir \u00f6tegezegenin etraf\u0131nda d\u00f6nen ilk uyduyu, yani \u00f6te-ay’\u0131, ke\u015ffeden ara\u015ft\u0131rmac\u0131lar\u0131n bir k\u0131sm\u0131, \u015fimdi de ikincisini ke\u015ffettiklerini iddia ediyorlar. Kepler-1708b-i<\/strong><\/a> olarak adland\u0131r\u0131lan uydu, D\u00fcnya’dan 2.6 kat daha b\u00fcy\u00fck ve a\u015fa\u011f\u0131 yukar\u0131 J\u00fcpiter b\u00fcy\u00fckl\u00fc\u011f\u00fcnde bir \u00f6tegezegen etraf\u0131nda d\u00f6n\u00fcyor. \u00d6tegezegen de, y\u0131ld\u0131z\u0131 etraf\u0131ndaki bir turunu yakla\u015f\u0131k iki D\u00fcnya y\u0131l\u0131nda tamaml\u0131yor. G\u00fcne\u015f-benzeri y\u0131ld\u0131z D\u00fcnya’dan 5600 \u0131\u015f\u0131k y\u0131l\u0131 bir mesafede bulunmakta.<\/p>\n

\u00d6te-ay’\u0131 bulmak isteyen ekip, 4000’den fazla \u00f6tegezegenin verisini elinde tutan NASA’n\u0131n emekli olmu\u015f Kepler Uzay Teleskobu’nun veri taban\u0131n\u0131 kulland\u0131lar. Gezegeninden yeterince uzak, yani bir y\u0131l\u0131 \u00e7ok uzun olan g\u00f6kcisimlerinin etraf\u0131nda d\u00f6necek nesnelerin g\u00f6zlemlenebilecek kadar b\u00fcy\u00fck olaca\u011f\u0131 varsay\u0131ld\u0131\u011f\u0131ndan ekip, ara\u015ft\u0131rmalar\u0131n\u0131 bu tan\u0131ma uyan 70 \u00f6tegezegen \u00fczerinde yo\u011funla\u015ft\u0131rd\u0131. Bu gezegenlerin her biri J\u00fcpiter’in yar\u0131s\u0131yla iki kat\u0131 aras\u0131nda de\u011fi\u015fen ebatlara sahipti ve en k\u0131sas\u0131 400 D\u00fcnya g\u00fcn\u00fc s\u00fcren y\u0131llara sahiplerdi. Ortalama y\u00fczey s\u0131cakl\u0131klar\u0131 da 300 Kelvin(27\u00b0 Celcius) civar\u0131nda seyrediyordu.
\nHer bir \u00f6tegezegen \u00fczerinde yap\u0131lan hummal\u0131 \u00e7al\u0131\u015fma meyvesini \u00f6nce Kepler 1625b olarak adland\u0131r\u0131lan \u00f6tegezegende g\u00f6sterdi.<\/p>\n

\u015e\u00fcpheli ke\u015fif yenilerine gebe<\/strong>
\nKe\u015ffedildi\u011fi iddia edilen bu tarihteki ilk “\u00f6te-ay” makalesi, g\u00f6kbilim kominitesi taraf\u0131ndan ele\u015ftiri ve \u015f\u00fcphecilikle kar\u015f\u0131la\u015ft\u0131 ve ikincisinin de benzer hakl\u0131 ele\u015ftirilere g\u00f6\u011f\u00fcs germesi gerekti\u011fi a\u015fikar \u00e7\u00fcnk\u00fc \u00e7al\u0131\u015f\u0131lan ar\u015fiv verilerinin daha hassas teleskoplar taraf\u0131ndan do\u011frulanmas\u0131 laz\u0131m. \u00d6zellikle James Webb Uzay Teleskobu’nun \u00f6te-aylar bulmak konusunda b\u00fcy\u00fck at\u0131l\u0131mlar ger\u00e7ekle\u015ftirece\u011fi d\u00fc\u015f\u00fcn\u00fcl\u00fcyor. Fakat yeni g\u00f6zlemlerin beklemesi gerekecek zira bu yeni bulunan \u00f6te-ay aday\u0131, ara\u015ft\u0131rmac\u0131lar\u0131n hesaplamalar\u0131na g\u00f6re 24 Mart 2023 tarihine kadar D\u00fcnya’dan g\u00f6r\u00fclemeyecek.<\/p>\n

Kaynak: Sid Perkins, Science News<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Tarihte ke\u015ffedilmi\u015f, bir \u00f6tegezegenin etraf\u0131nda d\u00f6nen ilk uyduyu, yani \u00f6te-ay’\u0131, ke\u015ffeden ara\u015ft\u0131rmac\u0131lar\u0131n bir k\u0131sm\u0131, \u015fimdi de ikincisini ke\u015ffettiklerini iddia ediyorlar. Kepler-1708b-i olarak adland\u0131r\u0131lan uydu, D\u00fcnya’dan 2.6 kat daha b\u00fcy\u00fck ve a\u015fa\u011f\u0131 yukar\u0131 J\u00fcpiter b\u00fcy\u00fckl\u00fc\u011f\u00fcnde bir \u00f6tegezegen etraf\u0131nda d\u00f6n\u00fcyor. \u00d6tegezegen de, y\u0131ld\u0131z\u0131 etraf\u0131ndaki bir turunu yakla\u015f\u0131k iki D\u00fcnya y\u0131l\u0131nda tamaml\u0131yor. G\u00fcne\u015f-benzeri y\u0131ld\u0131z D\u00fcnya’dan 5600 \u0131\u015f\u0131k y\u0131l\u0131 […]<\/p>\n","protected":false},"author":512,"featured_media":54556,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30,19,235],"tags":[639,4169,8354,8355,3282],"class_list":["post-54555","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomi","category-bilim-gundemi","category-guncel","tag-kepler","tag-kepler-uzay-teleskobu","tag-ote-ay","tag-oteay","tag-otegezegen"],"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