Zhai, a 41-year-old fighter pilot, appeared to struggle with the hatch and a fire alarm was triggered in the orbiter as he began the spacewalk.
Wang Zhaoyao, deputy director of manned space flight, conceded that the combined effects of weightlessness and depressurization on the hatch opening operation hadn't been fully anticipated. He blamed a faulty sensor for the fire alarm.
The spacewalk required the astronauts to first depressurize and then repressurize the orbital module and proved the effectiveness of Zhai's Feitian space suit, produced by China at a cost of $4.4 million. Liu wore a nearly identical Russian-made Orlan suit, according to the reports.
The spacewalk paves the way for assembling a space station from two Shenzhou orbital modules, the next major goal of China's manned spaceflight program.
China is also pursuing lunar exploration and may attempt to land a man on the moon in the next decade — possibly ahead of NASA's 2020 target date for returning to the moon.
China launched its first manned mission, Shenzhou 5, in 2003, becoming only the third country.
从上面的资讯报道可以看出,space mission指的是神舟七号载人飞船执行的太空探索使命,举世瞩目的太空漫步就是space walk,首次太空漫步就是first-ever spacewalk。翟志刚短短的20分钟的太空漫步被媒体称为中国航天事业上的一大步
Mission commander指的是“神七”乘组指令长,神七乘组第一次设置了指令长岗位,即任务中自称“洞幺(01)”的航天员翟志刚。
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