translation.en: 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.
translation.zh: 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。