中国念湖上空的双子座流星雨
2023年12月17日 Geminids over China’s Nianhu Lake Image Credit & Copyright: Hongyang Luo Explanation: Where are all of…
2023年回顾: 阿尔忒弥斯2号机组人员访问肯尼迪
On Aug. 8, 2023, Artemis II crew members (from left) Jeremy Hansen, Victor Glover, Reid Wiseman, and Christina Koch took a ph…
深场影像: 心脏星云
2023年12月13日 Deep Field: The Heart Nebula Image Credit & Copyright: William Ostling, Telescope Live Explanation: What exc…
韦伯望远镜发现了一颗爆炸的恒星
NASA’s James Webb Space Telescope’s new view of Cassiopeia A (Cas A) in near-infrared light is giving astronomers hints at th…
挪威上空的极光与银河
2023年12月12日 Aurora and Milky Way over Norway Image Credit & Copyright: Giulio Cobianchi Explanation: What are these two …
宇航员凯瑟琳·桑顿在哈勃太空望远镜上工作
In this image from Dec. 8, 1993, astronaut Kathryn C. Thornton works with equipment during a spacewalk. The spacewalk was par…
太阳极小期与太阳极大期
2023年12月11日 Solar Minimum versus Solar Maximum Video Credit: NASA, SDO, SVS Explanation: The surface of our Sun is constantly…