2025年4月30日
A Happy Sky over Bufa Hill in Mexico
Image Credit & Copyright: Daniel Korona
Explanation: Sometimes, the sky itself seems to smile. A few days ago, visible over much of the world, an unusual superposition of our Moon with the planets Venus and Saturn created just such an iconic facial expression. Specifically, a crescent Moon appeared to make a happy face on the night sky when paired with seemingly nearby planets. Pictured is the scene as it appeared over Zacatecas, México, with distinctive Bufa Hill in the foreground. On the far right and farthest in the distance is the planet Saturn. Significantly closer and visible to Saturn’s upper left is Venus, the brightest planet on the sky. Just above the central horizon is Earth’s Moon in a waning crescent phase. To create this gigantic icon, the crescent moon phase must be smiling in the correct direction.
Dial-A-Moon: Find the Moon phase on your birthday this year
Tomorrow’s picture: Mercury’s messenger
墨西哥布法山的微笑天空
影像提供与版权: Daniel Korona
说明: 有时候，天空看似在微笑。这种世界各地皆可见的场景，就出现在数天前，全因为月亮、金星与土星发生了巧妙的近合，造就了酷似经典微笑图标的景观。具体来说，蛾眉残月伙同视觉上看似相邻的行星，组合出夜空微笑的脸庞。这张记录此景象、以布法山（Bufa Hill）为背景的照片，摄于墨西哥的萨卡特卡斯市（Zacatecas）。视野里，有位于右缘、距离也最遥远的土星，有土星左上方相当邻近我们，同时也是地球天空最明亮行星的金星，以及中央地平线上方低悬的蛾眉残月。要组合出这个庞大的微笑图标，蛾眉残月的曲向最为关键。
拨一下月亮: 找出你今年生日的月相
明日的图片: Mercury’s messenger
