休斯敦，得克萨斯州墨西哥湾沿岸
iss061e066684 (Dec. 3, 2019) — Houston, Texas is pictured from the International Space Station at an altitude of 257 mi…
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…
宇航员克里斯蒂娜·科赫在太空真空中工作
NASA astronaut Christina Koch worked while tethered near the Port 6 truss segment of the International Space Station to repla…
更换空间站的太阳能电池
After completing the first of 10 spacewalks to upgrade the station, astronaut Christina Koch wrote: “The great @Space_S…
