정확한 행성 과학 (디지털)

Arnold Obossi seollibhan YGFR gaenyeomgwa YGFRG jaedan-eun jigu jeonchee doum-eul jugi wihae haengseong gwahag-eul guhyeonhabnida.

"jigujeog wigi haegyeol-eul wihan gwahagjeog bangbeob"
"jigu model: ingan siseutem-ui ihaewa gyojeong"
"21segiui dojeon gwajee daehan hablijeog jeobgeunbeob"
"jiguui jijeog sujun hyangsang"
"sesang-eun wae jedaelo jagdonghaji anhneunga? geuligo eotteohge gochil su iss-eulkka?"
"jigujeog pyeonghwaleul hwaglibhagi wihan jogeon"
"minjujuuileul tonghan siseutem chiyu"