{"id":62528,"date":"2019-03-31T10:24:32","date_gmt":"2019-03-31T08:24:32","guid":{"rendered":"https:\/\/osr.org\/?p=62528"},"modified":"2024-05-24T17:48:47","modified_gmt":"2024-05-24T15:48:47","slug":"gunes-sistemi-disinda-kesfedilen-gezegen-sayisi-4-bine-yaklasti","status":"publish","type":"post","link":"https:\/\/osr.org\/tr\/blog\/astronomi\/gunes-sistemi-disinda-kesfedilen-gezegen-sayisi-4-bine-yaklasti\/","title":{"rendered":"G\u00fcne\u015f Sistemi d\u0131\u015f\u0131nda ke\u015ffedilen gezegen say\u0131s\u0131 4 bine yakla\u015ft\u0131"},"content":{"rendered":"<p>Bu ayn\u0131 zamanda Samanyolu Galaksisi&#8217;ndeki hemen her y\u0131ld\u0131z\u0131n, \u00e7evresinde D\u00fcnya benzeri en az bir gezegen bar\u0131nd\u0131rd\u0131\u011f\u0131n\u0131n da bir g\u00f6stergesi. Astronomlar\u0131n bundan 30 y\u0131l \u00f6nce bu bilgiden emin olmalar\u0131 m\u00fcmk\u00fcn de\u011fildi.<\/p>\n<p>Paris G\u00f6zlemevi taraf\u0131ndan tutulan &#8220;G\u00fcne\u015f Sistemi d\u0131\u015f\u0131ndaki gezegenler ansiklopedisine&#8221; g\u00f6re bu gezegenlerin say\u0131s\u0131 4 bini a\u015ft\u0131.G\u00f6zlemevinden Dr Fran\u00e7oise Roques BBC&#8217;ye yapt\u0131\u011f\u0131 a\u00e7\u0131klamada &#8220;\u0130yi haber \u015fu; art\u0131k y\u0131ld\u0131zl\u0131 g\u00f6ky\u00fcz\u00fcnden gezegenli g\u00f6ky\u00fcz\u00fcne ge\u00e7mi\u015f bulunuyoruz. Y\u0131ld\u0131zdan daha \u00e7ok gezegen var. Ayr\u0131ca gezegen sistemleri yap\u0131sal olarak \u00e7ok \u00e7e\u015fitlilik g\u00f6steriyor. S\u0131f\u0131r, bir, iki y\u0131ld\u0131z\u0131n hatta ba\u015fka gezegenlerin y\u00f6r\u00fcngesinde olan gezegenler var&#8221; dedi. Amerikan Ulusal Havac\u0131l\u0131k ve Uzay Dairesi&#8217;nin (NASA) kay\u0131tlar\u0131na g\u00f6re ise 4 bine yakla\u015fmaya 74 gezegen kald\u0131. Ama s\u0131rada NASA&#8217;n\u0131n Tess uzay teleskobu taraf\u0131ndan saptanm\u0131\u015f olan 443 gezeden aday\u0131 daha var.<\/p>\n<p>Buna ek olarak 2009 y\u0131l\u0131nda kurulan Kepler teleskobunun tespit etti\u011fi 2423 gezegen aday\u0131 da onaylanmay\u0131 bekliyor. NASA&#8217;n\u0131n ar\u015fivine son olarak 21 Mart&#8217;ta Super Earth GI 686 b ad\u0131 verilen bir gezegen eklendi. Bu gezegen G\u00fcne\u015f&#8217;ten daha so\u011fuk k\u0131rm\u0131z\u0131 c\u00fcce bir y\u0131ld\u0131z\u0131n y\u00f6r\u00fcngesinde bulunuyor.<\/p>\n<h2><span style=\"color: #15acdf;\">Y\u0131ld\u0131zlar ve kriterler<\/span><\/h2>\n<p>\u0130ki katalog aras\u0131ndaki say\u0131 fark\u0131, NASA ile Paris G\u00f6zlemevi&#8217;nin gezegenleri farkl\u0131 kriterlere g\u00f6re s\u0131n\u0131fland\u0131rmas\u0131ndan kaynaklan\u0131yor.<\/p>\n<p>Daha eski teknik, gezegenlerin yer\u00e7ekimi kuvvetini baz al\u0131yordu. NASA&#8217;n\u0131n 2009 y\u0131l\u0131nda kurulan Kepler teleskobu ise gezegenlerin kendi y\u0131ld\u0131zlar\u0131 \u00f6n\u00fcnden ge\u00e7erkenki parlakl\u0131\u011f\u0131n\u0131 \u00f6l\u00e7en bir y\u00f6ntem kullan\u0131yor.<\/p>\n<p>Dr Roques \u00f6zellikle &#8220;kahverengi c\u00fcce&#8221; olarak adland\u0131r\u0131lan y\u0131ld\u0131zlarla dev gezegenleri birbirinden ay\u0131rman\u0131n zor oldu\u011funa dikkat \u00e7ekiyor, &#8220;Uluslararas\u0131 Astonomi Birli\u011fi kahverengi c\u00fccelerin baz\u0131lar\u0131n\u0131 k\u00fc\u00e7\u00fck y\u0131ld\u0131zlar olarak kabul ediyor, ama bunlar\u0131n baz\u0131lar\u0131 asl\u0131nda b\u00fcy\u00fck gezegenler&#8221; diyor.<\/p>\n<p>Dr Roques fark\u0131 anlaman\u0131n tek yolunun bu olu\u015fumlar\u0131n i\u00e7 yap\u0131lar\u0131na bakmak oldu\u011funu, bunun ise imkans\u0131z bir g\u00f6rev oldu\u011funu belirtiyor. G\u00fcne\u015f Sistemi d\u0131\u015f\u0131ndaki ilk gezegenler Aleksander Wolszczan ve Dale Frail taraf\u0131ndan 1992 y\u0131l\u0131nda titre\u015fen bir y\u0131ld\u0131z \u00e7evresinde bulunmu\u015ftu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bu ayn\u0131 zamanda Samanyolu Galaksisi&#8217;ndeki hemen her y\u0131ld\u0131z\u0131n, \u00e7evresinde D\u00fcnya benzeri en az bir gezegen bar\u0131nd\u0131rd\u0131\u011f\u0131n\u0131n da bir g\u00f6stergesi. Astronomlar\u0131n bundan 30 y\u0131l \u00f6nce bu bilgiden emin olmalar\u0131 m\u00fcmk\u00fcn de\u011fildi. Paris G\u00f6zlemevi taraf\u0131ndan tutulan &#8220;G\u00fcne\u015f Sistemi d\u0131\u015f\u0131ndaki gezegenler ansiklopedisine&#8221; g\u00f6re bu gezegenlerin say\u0131s\u0131 4 bini a\u015ft\u0131.G\u00f6zlemevinden Dr Fran\u00e7oise Roques BBC&#8217;ye yapt\u0131\u011f\u0131 a\u00e7\u0131klamada &#8220;\u0130yi haber \u015fu; [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[506],"tags":[],"class_list":["post-62528","post","type-post","status-publish","format-standard","hentry","category-astronomi"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>G\u00fcne\u015f Sistemi d\u0131\u015f\u0131nda ke\u015ffedilen gezegen say\u0131s\u0131 4 bine yakla\u015ft\u0131 - Online Star Register<\/title>\n<meta name=\"description\" content=\"Samanyolunda bizim gezegenimize benzer gezegenler olabilir mi?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/osr.org\/tr\/blog\/astronomi\/gunes-sistemi-disinda-kesfedilen-gezegen-sayisi-4-bine-yaklasti\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"G\u00fcne\u015f Sistemi d\u0131\u015f\u0131nda ke\u015ffedilen gezegen say\u0131s\u0131 4 bine yakla\u015ft\u0131 - 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