好奇号探测车在火星上发现粘土块
2019 October 29 Curiosity Rover Finds a Clay Cache on Mars Image Credit: NASA, JPL-Caltech, MSSS Explanation: Why is there cl…
国际空间站凌越无黑子的太阳
2019 October 28 The Space Station Crosses a Spotless Sun Image Credit & Copyright: Eduardo Schaberger Poupeau Explanation…
加拿大上空的鬼魂状极光
2019 October 27 Ghost Aurora over Canada Image Credit & Copyright: Yuichi Takasaka, TWAN Explanation: What does this auro…
仙王座内黑暗的海马星云
2019 October 24 Dark Seahorse in Cepheus Image Credit & Copyright: Sergio Kaminsky Explanation: Light-years across, this…
宇航员克里斯蒂娜·科赫在空间站进行维修
NASA astronaut Christina Koch conducts her fourth spacewalk at the International Space Station. She and fellow NASA astronaut…
世界上最大镜面反射的夜空美景
2019 October 22 Night Sky Reflections from the World’s Largest Mirror Image Credit & Copyright: Jheison Huerta Expl…
太阳动力学天文台的水星凌日音乐视频
2019 October 21 A Mercury Transit Music Video from SDO Video Credit: NASA’s Goddard Space Flight Center, Genna Duberste…