宙

(1)the apparent surface of the imaginary sphere on which celestial bodies appear to be projected

(2)天体投影しているように見える、仮想の天球の見かけ上の表面

(3)the atmosphere and outer space as viewed from the earth

(4)地球から見られる大気と宇宙

(5)the region above the ground; "her hand stopped in mid air"; "he threw the ball into the air"

(6)地面より上の領域

(1)