为什么宇航员能看到天空的颜色？

Why can the astronauts see the colors of the sky?

youdao

我们看到天空是蓝色的，但山谷下面却很暗——就像阴天一样。

We see the sky is blue, but down in the valley it's darker—it's like on a cloudy day.

youdao

我想带她到可以看到天空真实面貌的地方。

I want to take her some place where she can see what the sky really looks like.

youdao

Still, that's not a world in which the Morning Star doesn't exist, given that what we mean by the Morning Star is that heavenly object, whatever it is, that in this world we pick out at that time in the morning looking up at the sky.

但这并不是意味着,晨星在这个世界不存在,如果给定了晨星的意思就是,一个这样的天体,不管它到底是什么,在这个世界上,在早晨的那个时候我们仰望天空,就能看到的那个天体

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