If they kept on going, and the next night they saw the pair of stars setting separately, then they would know that they were at a different degree of latitude.
如果他们继续走，第二天晚上看见这两颗星星分别落下，就知道他们在不同的纬度上了。
The stars that the human eye can distinguish in the night sky are relatively near and are all part of the Milky Way.
夜空中人眼可以分辨的星星离我们相对较近，它们都是银河的组成部分。
On many a dark night the vision of that round slip of sky with stars has comforted me.
很多个漆黑的夜晚，一想到从井底可以看到天空布满星星，我就感到很安慰。
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