月球与木星相遇
(原标题: Moon Meets Jupiter)
2023-08-08
浏览次数: 12
月亮下面是什么？木星和它最大的卫星。6月中旬，地球上的许多天文观测者都欣赏到了月球近距离从木星前面经过的景象。这张特色图片是在西班牙Morón de la Frontera拍摄的一次曝光。左边被阳光照射的月牙被过度曝光，而右边的月球暗夜面只被地球的光线微微照亮。从左到右对角线排列在月球下方的是木星明亮的伽利略卫星：木卫四、木卫三、木卫一（因为离木星很近，所以很难看到）和木卫二。事实上，木卫四、木卫三和木卫一都比月球大，而木卫二只比月球小一点点。美国宇航局的“朱诺”号机器人飞船目前正在绕木星运行，一周前刚刚近距离掠过木卫一。如果你今晚抬头看夜空，你会再次看到两个最亮的天体从角度上靠在一起——因为今晚又是一个月木星合相。
查看原文解释
What's that below the Moon? Jupiter -- and its largest moons. Many skygazers across planet Earth enjoyed the close conjunction of Earth's Moon passing nearly in front of Jupiter in mid-June. The featured image is a single exposure of the event taken from Morón de la Frontera, Spain. The sunlit lunar crescent on the left is overexposed, while the Moon's night side, on the right, is only faintly illuminated by Earthshine. Lined up diagonally below the Moon, left to right, are Jupiter's bright Galilean satellites: Callisto, Ganymede, Io (hard to see as it is very near to Jupiter), and Europa. In fact, Callisto, Ganymede, and Io are larger than Earth's Moon, while Europa is only slightly smaller. NASA's robotic spacecraft Juno is currently orbiting Jupiter and made a close pass near Io only a week ago. If you look up in the night sky tonight, you will again see two of the brightest objects angularly close together -- because tonight is another Moon-Jupiter conjunction.
© Jordi L. Coy