天文學外層空間事物的科學研究，尤指天體及天文現象的位置、大小、分布、運動、構成、能量及演化的科學
The scientific study of matter in outer space, especially the positions, dimensions, distribution, motion, composition, energy, and evolution of celestial bodies and phenomena.
我不是說她真在外層空間--這只是打個比方。
I didn't really mean she was in outer space it's just a figure of speech.
兩個飛行艙在外層空間對接。
The two modules docked in outer space.
一旦給計算機輸入程序，它就能從外層空間或海洋深處收集到各式各樣的資料。
Once it is given a "program", a computer can gather a wide range of information from outer space or from the depths of the ocean.
