标签: 木卫二

观星指南(2023年5月)

5月份的天空会发生什么?月球与行星的合影,我们到达了“金星的顶峰”,以及南半球的天空有什么不同呢?

被土星反照光照亮的土卫二

2023年2月5日 Enceladus by Saturnshine Image Credit: NASA; ESA, JPL, Cassini Imaging Team, SSI; Color Composite: Gordan Ugarkovic Explanation: This moon is shining by the light of its planet. Specifically, a large portion of Enceladus pictured here is illuminated primarily by sunlight first reflected from the planet Saturn. The result is that the normally snow-w...