跟进：美国第100次太空行走完成：两名宇航员7小时11分装好第七块卷轴式太阳能电池阵列，空间站发电能力将升至约215千瓦

美国国家航空航天局（NASA）10月29日通报，美国第100次太空行走已经完成：NASA 宇航员 Anil Menon 与加拿大航天局（CSA）宇航员 Joshua Kutryk 于美东时间下午3时08分结束国际空间站外的作业，本次太空行走历时7小时11分。本站10月26日曾预告此次任务。

两人在空间站的 2A 电力通道上安装并展开了一块国际空间站卷轴式太阳能电池阵列（iROSA）。这是空间站安装的第七块同型阵列，将为关键运行提供额外电力，包括支持空间站未来安全受控离轨。

除主任务外，两人还完成了多项预备工作，为定于11月5日星期四的下一次太空行走做准备：届时将安装第八块、也是最后一块卷轴式太阳能电池阵列，位置在 3B 电力通道，NASA 将从美东时间上午6时45分起提供直播。

八块阵列全部安装后，空间站的太阳能发电系统升级即告完成。NASA 表示，八块阵列合计可把空间站可用电力提高最多30%，发电能力将从约160千瓦提升到约215千瓦。

NASA 介绍，这次太空行走是 Menon 的第四次、Kutryk 的第一次，也是支持空间站组装、维护和升级的第285次太空行走。

Follow-Up: U.S. Spacewalk 100 Completed: Two Astronauts Install Seventh Roll-Out Solar Array in 7 Hours 11 Minutes, Station Power to Rise to About 215 Kilowatts

NASA reported on October 29 that U.S. spacewalk 100 has been completed: NASA astronaut Anil Menon and Canadian Space Agency (CSA) astronaut Joshua Kutryk concluded their spacewalk outside the International Space Station at 3:08 p.m. EDT, after 7 hours and 11 minutes. GSM previewed the mission on October 26.

During the spacewalk, Menon and Kutryk installed and deployed an International Space Station Roll-Out Solar Array (iROSA) on the station's 2A electrical power channel. The array is the seventh iROSA installed on the station and will provide additional power to support critical operations, including a safe and controlled deorbit.

The pair also completed several get-ahead tasks to prepare for a planned spacewalk on Thursday, November 5, when the eighth and final iROSA will be installed on the 3B power channel. NASA will provide live coverage beginning at 6:45 a.m. EDT.

Following the November 5 spacewalk, the roll-out solar arrays will be fully installed, completing the station's power system augmentation. Together, the eight arrays will increase available power by up to 30 percent, boosting the station's power generation capacity from 160 kilowatts to approximately 215 kilowatts.

U.S. spacewalk 100 was Menon's fourth spacewalk and Kutryk's first. It was also the 285th spacewalk in support of space station assembly, maintenance and upgrades, according to NASA.

来源：GSM·美国（原文链接）

图片来源：国际空间站卷轴式太阳能电池阵列在地球上空展开（NASA Johnson Space Center，公共领域，Wikimedia Commons）

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