\n<\/p>\n
G\u00fcne\u015f Sistemi\u2019nin en d\u0131\u015f b\u00f6lgelerinde yer alan Kuiper Ku\u015fa\u011f\u0131\u2019ndaki garip bir e\u011fim, bilim insanlar\u0131n\u0131 yeni bir olas\u0131l\u0131\u011f\u0131n pe\u015fine d\u00fc\u015f\u00fcrd\u00fc: Hen\u00fcz ke\u015ffedilmemi\u015f, \u201cY Gezegeni\u201d ad\u0131 verilen gizemli bir g\u00f6k cismi.<\/p>\n
Princeton \u00dcniversitesi\u2019nden ara\u015ft\u0131rmac\u0131lar, Nept\u00fcn\u2019\u00fcn \u00f6tesinde uzanan bu buzlu g\u00f6k cisimleri ku\u015fa\u011f\u0131nda al\u0131\u015f\u0131lmad\u0131k bir \u201cb\u00fck\u00fclme\u201d tespit etti.
Bu anomali, Kuiper Ku\u015fa\u011f\u0131\u2019n\u0131n d\u00fcz bir hat \u00fczerinde olmas\u0131 gerekirken, yakla\u015f\u0131k 15 derecelik bir e\u011fime sahip oldu\u011funu ortaya koyuyor.<\/p>\n
Bilim insanlar\u0131na g\u00f6re bu sapma, Nept\u00fcn\u2019\u00fcn \u00f6tesinde g\u00f6r\u00fcnmeyen bir gezegenin k\u00fctle \u00e7ekiminden kaynaklan\u0131yor olabilir.<\/p>\n
D\u00dcNYA \u0130LE MERK\u00dcR ARASINDA<\/strong><\/p>\n Ara\u015ft\u0131rma ekibi, bu yeni g\u00f6k cismini \u201cY Gezegeni\u201d olarak adland\u0131r\u0131yor. <\/p>\n Hen\u00fcz do\u011frudan g\u00f6zlemlenmemi\u015f, yani tam anlam\u0131yla kan\u0131tlanmam\u0131\u015f olan bu gezegenin, mevcut verilere g\u00f6re D\u00fcnya ile Merk\u00fcr aras\u0131nda bir b\u00fcy\u00fckl\u00fc\u011fe sahip olabilece\u011fi ve G\u00fcne\u015f Sistemi\u2019nin en uzak b\u00f6lgelerinde yer ald\u0131\u011f\u0131 d\u00fc\u015f\u00fcn\u00fcl\u00fcyor.<\/p>\n Ara\u015ft\u0131rmac\u0131lar, Monthly Notices of the Royal Astronomical Society: Letters dergisinde yay\u0131mlad\u0131klar\u0131 makalede, \u201cBu \u00e7al\u0131\u015fma bir gezegen ke\u015ffi de\u011fil, ama bir gezegenin en olas\u0131 \u00e7\u00f6z\u00fcm oldu\u011fu bir bilmecenin ke\u015ffidir\u201d ifadelerini kulland\u0131.<\/p>\n B\u0130TMEYEN ARAYI\u015e<\/strong><\/p>\n Kuiper Ku\u015fa\u011f\u0131, bir zamanlar dokuzuncu gezegen olarak kabul edilen Pl\u00fcton\u2019un da i\u00e7inde yer ald\u0131\u011f\u0131 geni\u015f bir b\u00f6lge. 2006\u2019da Pl\u00fcton\u2019un \u201cc\u00fcce gezegen\u201d stat\u00fcs\u00fcne ge\u00e7irilmesiyle b\u00f6lgeye olan ilgi azalmad\u0131, ancak b\u00fcy\u00fck mesafeler nedeniyle g\u00f6zlem yapmak h\u00e2l\u00e2 son derece zor.<\/p>\n Ge\u00e7mi\u015fte, astronom Percival Lowell \u201cX Gezegeni\u201d hipotezini ortaya atm\u0131\u015f, Nept\u00fcn ve Uran\u00fcs\u2019\u00fcn y\u00f6r\u00fcngelerindeki d\u00fczensizlikleri gizli bir gezegenle a\u00e7\u0131klamaya \u00e7al\u0131\u015fm\u0131\u015ft\u0131. Ancak 1990\u2019larda Voyager 2 uzay<\/a> sondas\u0131n\u0131n verileri Nept\u00fcn\u2019\u00fcn k\u00fctlesinin beklenenden d\u00fc\u015f\u00fck oldu\u011funu g\u00f6sterince bu gizem \u00e7\u00f6z\u00fclm\u00fc\u015ft\u00fc.<\/p>\n \u201cY GEZEGEN\u0130\u201d VE \u201cDOKUZUNCU GEZEGEN\u201d ARASINDAK\u0130 FARK<\/strong><\/p>\n 2016 y\u0131l\u0131nda yeniden g\u00fcndeme gelen \u201cDokuzuncu Gezegen (Planet Nine)\u201d teorisi, \u00e7ok daha b\u00fcy\u00fck ve Pl\u00fcton\u2019un \u00e7ok \u00f6tesinde yer alan bir g\u00f6k cismini \u00f6ne s\u00fcr\u00fcyordu.<\/p>\n Princeton ekibinin \u00f6ne s\u00fcrd\u00fc\u011f\u00fc \u201cY Gezegeni\u201d ise daha k\u00fc\u00e7\u00fck, daha yak\u0131n ve farkl\u0131 bir k\u00fctle da\u011f\u0131l\u0131m\u0131na sahip olabilecek bir gezegen diye tan\u0131mlan\u0131yor.<\/p>\n Bilim insanlar\u0131na g\u00f6re bu iki varsay\u0131m birbirini d\u0131\u015flam\u0131yor; teorik olarak, G\u00fcne\u015f Sistemi\u2019nin d\u0131\u015f\u0131nda birden fazla gizli gezegen bulunabilir.<\/p>\n Bu gizemi \u00e7\u00f6zebilecek umut verici geli\u015fme ise \u015eili\u2019deki Vera C. Rubin G\u00f6zlemevi’nden geliyor. 2025 sonunda ba\u015flayacak olan 10 y\u0131ll\u0131k g\u00f6zlem program\u0131, Kuiper Ku\u015fa\u011f\u0131\u2019n\u0131 e\u015fi benzeri g\u00f6r\u00fclmemi\u015f bir hassasiyetle tarayacak.<\/p>\n Ara\u015ft\u0131rmac\u0131lar, bu g\u00f6zlemler sayesinde olas\u0131 \u201cY Gezegeni\u201dnin iki ila \u00fc\u00e7 y\u0131l i\u00e7inde tespit edilebilece\u011fini d\u00fc\u015f\u00fcn\u00fcyor.<\/p>\n<\/div>\n