Then, the retinas in your eyes catch the light reflection for your brain to interpret into the image of an apple.

然后你眼睛里的视网膜会将这光线反射的图像传输到你的大脑中，呈现出一个苹果的样子。

While EMISSION nebulae glow due to their own light, REFLECTION nebulae are bright because — can you guess? — they reflect the light of nearby bright massive stars.

发射星云由于自身的光线而发光，而反射星云之所以明亮，是因为——你能猜到吗？——它们反射了附近明亮的大质量恒星的光。