蛾眉月

天文·每日一图

墨西哥布法山的微笑天空

The featured image shows a night sky over a distant hill. The night sky has three bright objects: a crescent moon, the planet Venus (highest), and the planet Saturn. Taken together, the moon and planets make a happy face icon. Please see the explanation for more detailed information.
特色图片显示的是远处山丘上的夜空。夜空中有三个明亮的天体:新月、金星(最高)和土星。月亮和行星共同组成了一个快乐的表情图标。有关更多详细信息,请参阅说明。

天文·每日一图

希腊神庙后方的蛾眉月

2023年2月28日 Crescent Moon Beyond Greek Temple Image Credit & Copyright: Elias Chasiotis Explanation: Why is a thin crescent moon never seen far from a horizon? Because the only geometry that gives a thin crescent lunar phase occurs when the Moon appears close to the Sun in the sky. The crescent

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