92 -* LucCY AMONG THE MOUNTAINS. “You said there were three ways to see it,” said Robert. “Yes, mother,’ other two?” “‘ Why, sometimes,” replied her mother, “ Ve- nus falls behind the sun, and then you can’t see it in the morning ; for when the sun rises, Venus is still down behind the horizon; and’ then it does not come up until after the sun. Consequently, by the time it gets up, the whole sky is lighted \up, and our eyes are much less sensitive, and so we can’t see it. “ But now,” continued she, “if we wait till evening, the sun, which sets first, will be in ad- vance of Venus, and leave her a little way up in the sky. To be sure, Venus follows directly on, and sets in a short time ; but then it generally gets dark enough before she sets to make our eyes sensitive enough to see her. When Venus is in that part of her path which makes her set after the sun, so that we can see her in the evening, we call her the evening star. When she is before the sun, so as to be seen in the morning, she is called the morning star. So, you see, Lucy, it will not do any good to get up early in the morning to look for Venus, unless we know whether she is now before or behind the sun. > said Lucy; “what are the