And in the time since Galileo pointed that rudimentary telescope at the celestial bodies, the known universe has come to us through light, across vast eras in cosmic history.
自从伽利略将他那简陋的天文望远镜 瞄准宇宙中的天体， 时至今日，我们所了解的宇宙， 通过光呈现在我们眼前。