我国首次航天员洞穴训练日前在重庆武隆的一处天然洞穴圆满完成。中国航天员科研训练中心吴斌在接 受新华社记者采访时表示，洞穴训练帮助航天员更好执行载人登月任务。 0:00 记者：李国利 新华社音视频部制作 ...

[ 责编：袁晴 ] 新华社快讯：载人登月任务各项研制建设工作总体进展顺利，后续将组织完成揽月着陆器集成测试、梦 舟载人飞船热试验和最大动压逃逸试验、长征十号运载火箭低空飞行及技术验证飞行等试验。 ...

Group 1 - SpaceX canceled the tenth launch attempt of the "Starship" due to technical issues at the launch site in Texas, which was highly anticipated to achieve several key development milestones [1][2] - The "Starship" system, including the 70.7-meter "Super Heavy" booster and the 52-meter upper rocket, was prepared for launch but faced a ground system failure approximately 30 minutes before ignition [1][2] - The company plans to attempt the launch again as early as August 25, following a series of setbacks this year, including two early flight test failures and a significant explosion during ground testing in June [2][3] Group 2 - The "Starship" project is crucial for SpaceX's future launch operations and is key to Elon Musk's ambitions for Mars exploration, despite facing multiple challenges this year [2] - The latest version of "Starship" features enhanced thrust, potentially more durable heat shields, and stronger flaps to ensure stability and safety during atmospheric re-entry [2] - The planned launch included a soft water landing experiment for the "Super Heavy" booster in the Gulf of Mexico and a test of the new heat shield and flaps during re-entry over the Indian Ocean [3]