関連ワード:
is the outer core the densest layer is the inner core the densest layer is the outer core the thickest layer is the outer core the least dense layer is the inner core the thickest layer is the inner core the heaviest layer is the outer core the second thickest layer is the inner core the most dense layer is the inner core the densest layer of the earth is the inner core the thickest layer of the earth
