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12 [16 .]
http://www.msnbc.msn.com/id/14364833/ ' , , , . , , Space.com , , , "". , - .' [ ]
http://www.gps.caltech.edu/~mbrown/whatsaplanet/ - ( - 2003 UB313). - . , , , . , 12 ( , , 2003 UB313), . [ ] "12- ". " ".
http://www.amazon.com '"12- " - , " " - , 3600 .' [: () , "12- "!]