The Search for Planet X

edge solar system dark planet lurk astronomer estimate large distant planet explain unique orbit dwarf planet object astronomer scan sky hope find planetin search planet x player role astronomer use observation logical deduction search hypothetical planet game companion app randomly select arrangement object location planet x follow predefined logic ruleseach round earth travel sun player use app perform scan attend conference gain information location object mark information deduction sheet player learn location object start publish theory player score pointsa object find player narrow possible location planet x player believe know location object use app conduct search game end player successfully locate planet x player final chance score additional pointsthe search planet x capture thrill discovery puzzley nature astronomical investigation competition inherent scientific process find planet xmdashdescription publisher