保护地球，探索宇宙，发现文明
iss061e066684 (Dec. 3, 2019) — Houston, Texas is pictured from the International Space Station at an altitude of 257 miles. The bodies of water (from top to bottom) are the Gulf of Mexico, Galveston Bay, Lake Houston, Lake Conroe and Lake Livingston. iss061e066684(2019年12月3日)——国际空间站在海拔257英里的德克萨斯州休斯顿拍摄的照片。水体(从上到下)是墨西哥湾、加尔维斯顿湾、休斯顿湖、康罗湖和利文斯顿湖。
NASA astronaut Christina Koch conducts her fourth spacewalk at the International Space Station. She and fellow NASA astronaut Jessica Meir (out of frame) ventured into the vacuum of space for seven hours and 17 minutes on Oct. 18, 2019, to swap a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates...
NASA astronaut Christina Koch worked while tethered near the Port 6 truss segment of the International Space Station to replace older hydrogen-nickel batteries with newer, more powerful lithium-ion batteries, during the October 11, 2019, spacewalk. Fellow NASA astronaut Andrew Morgan (out of frame) assisted Koch during the six-hour and 45-minute spacewalk. O...
After completing the first of 10 spacewalks to upgrade the station, astronaut Christina Koch wrote: “The great @Space_Station battery swap series of spacewalks is underway! A joy & privilege working with @AstroDrewMorgan outside, @astro_luca as the lead for suits & airlock, @Astro_Jessica as robotic arm operator, & the incredible teams in H...
From aboard the International Space Station, Expedition 60 astronaut Christina Koch photographed the Soyuz MS-15 spacecraft ascending into space after its launch from Kazakhstan on Wednesday, September 25, 2019. After a four-orbit, six-hour journey, the Soyuz docked to the Space Station with NASA astronaut Jessica Meir, Roscosmos cosmonaut Oleg Skripochka an...