在轨道实验室首次发射26年后，国际空间站（International Space Station, ...

本次货运清单与大多数前往国际空间站的“龙”飞船补给飞行相似。但本次任务的不同之处在于安装在“龙”飞船后部舱段内的一个新型火箭推进组件。在未来几周内，SpaceX和美国国家航空航天局（NASA）将使用这套首创的推进系统来提升空间站的轨道高度。

The three taikonauts on China's orbiting Tiangong space station recently completed their third spacewalk.

BEIJING, Aug. 16 (Xinhua) -- The three taikonauts on China's orbiting Tiangong space station recently completed their third spacewalk. Unlike their previous missions, they had a new assistant this ...