galactic window

例句：

1. 1. The starry sky above is a perfect example of a galactic window.
   夜空中的星星是银河窗口的完美例子。
2. 2.This spacecraft has the ability to travel through the galactic window and explore distant planets.
   这艘宇宙飞船有能力穿越银河窗口，探索遥远的星球。
3. 3.The astronomers used the galactic window to study the formation of stars and galaxies.
   天文学家利用银河窗口来研究恒星和星系的形成。