{"id":220880,"date":"2022-12-26T08:50:20","date_gmt":"2022-12-26T06:50:20","guid":{"rendered":"https:\/\/osr.org\/?p=220880"},"modified":"2022-12-26T08:50:20","modified_gmt":"2022-12-26T06:50:20","slug":"yildizlardan-gelen-hediyeler-2","status":"publish","type":"post","link":"https:\/\/osr.org\/tr\/blog\/ipuclari-ve-hediyeler\/yildizlardan-gelen-hediyeler-2\/","title":{"rendered":"Y\u0131ld\u0131zlardan gelen hediyeler"},"content":{"rendered":"
Geceleyin g\u00f6ky\u00fcz\u00fcne bakt\u0131\u011f\u0131m\u0131zda, parlak s\u00f6n\u00fck bir\u00e7ok y\u0131ld\u0131z g\u00f6r\u00fcr\u00fcz. Bu durum, g\u00fcn\u00fcm\u00fczde \u015fehrin\u00a0\u0131\u015f\u0131k kirlili\u011fi y\u00fcz\u00fcnden<\/a>\u00a0fena halde k\u0131s\u0131tlanm\u0131\u015f olsa da, \u00f6zellikle karanl\u0131k bir g\u00f6ky\u00fcz\u00fcnde, y\u0131ld\u0131zlar adeta \u0131\u015f\u0131ldarlar. Bunlar binlerce y\u0131l boyunca insanl\u0131\u011f\u0131n dikkatini \u00e7ekmi\u015f ve\u00a0farkl\u0131 k\u00fclt\u00fcrler y\u0131ld\u0131zlara farkl\u0131 isimler vermi\u015ftir<\/a>. Her ne kadar her k\u00fclt\u00fcrde ve dilde farkl\u0131 isimleri olabilse de en yayg\u0131n bilinen y\u0131ld\u0131z isimleri, g\u00f6ky\u00fcz\u00fcndeki en parlak y\u0131ld\u0131zlara verilmi\u015ftir.<\/p>\n G\u00f6ky\u00fcz\u00fcn\u00fcn en parlak y\u0131ld\u0131z\u0131 olmas\u0131 nedeniyle, bir\u00e7ok antik medeniyetin de ilgi oda\u011f\u0131 olmu\u015ftur. Orion tak\u0131m y\u0131ld\u0131z\u0131na yak\u0131n bir b\u00f6lgede, B\u00fcy\u00fck K\u00f6pek (Canis Major) tak\u0131m y\u0131ld\u0131z\u0131nda yer alan bu y\u0131ld\u0131z, ismini Yunanca \u0131\u015f\u0131ldayan, parlayan anlam\u0131na gelen \u201cSeirios\u201d kelimesinden alm\u0131\u015ft\u0131r. Sirius asl\u0131nda bir \u00e7ift y\u0131ld\u0131z sistemidir ve parlak olan bile\u015fen A0-A1 tayf s\u0131n\u0131f\u0131ndan parlak mavi-beyaz bir y\u0131ld\u0131zken, s\u00f6n\u00fck olan \u00e7ift bir beyaz c\u00fccedir.<\/p>\n Canopus, g\u00fcney g\u00f6ky\u00fcz\u00fcn\u00fcn en parlak y\u0131ld\u0131z\u0131d\u0131r, t\u00fcm g\u00f6ky\u00fcz\u00fcn\u00fcn ise ikinci parlak y\u0131ld\u0131z\u0131d\u0131r. G\u00fcne\u015f\u2019ten 310 \u0131\u015f\u0131k y\u0131l\u0131 uzakta yer alan bu y\u0131ld\u0131z G\u00fcne\u015f\u2019ten 10 bin kat daha parlak ve 70 kat daha b\u00fcy\u00fckt\u00fcr. Baz\u0131 kaynaklarda \u0130ngilizce Soheil, T\u00fcrk\u00e7e S\u00fcheyl veya S\u00fcheyla olarak da kar\u015f\u0131m\u0131za \u00e7\u0131kar.<\/p>\n Bo\u00f6tes tak\u0131m y\u0131ld\u0131z\u0131n\u0131n en parlak y\u0131ld\u0131z\u0131 olan Arcturus bir k\u0131rm\u0131z\u0131 devdir. G\u00fcne\u015f\u2019e yakla\u015f\u0131k 37 \u0131\u015f\u0131k y\u0131l\u0131 mesafede bulunur. K\u00fctlesi G\u00fcne\u015f kadar olsa da boyutu onun 25 kat\u0131, parlakl\u0131\u011f\u0131 ise 170 kat\u0131 kadard\u0131r. Antik Yunanca\u2019da \u201cay\u0131n\u0131n gardiyan\u0131\/koruyucusu\u201d anlam\u0131na gelen Arktouros kelimesinden t\u00fcremi\u015ftir.<\/p>\n