The astronauts completed this year's second spacewalk for the space station solar energy battery replacement

Solar photovoltaic (pv) net news: NASA 29, said the international space station two American astronauts carry out the space walk more than six hours in the day, for the space station solar panels to replace batteries. This is the second time this year on the space station's space walk.

14 27 points (est 29, Beijing time 30 2 27 points) , American astronauts Nick & middot; Mr Hague and Christina & middot; Koch over a space walk, two people took six hours and 45 minutes.

according to NASA, two astronauts to the space station solar panels 6 COINS nimh battery replacement for 3 pieces of small, light and larger capacity of lithium ion batteries. These batteries for storing solar panels generate electricity, in the space station are not exposed to the sun orbiting round the earth.

on the 22nd of this month in this year's first spacewalk, the Hague and another American astronaut Anne & middot; McLean 6 the solar panels to other three nickel metal hydride batteries for lithium ion batteries, later found out that one cannot charge. The mission, the astronauts battery switch back to the question to two old nimh batteries, and restore the state of full power supply of solar panels.

in addition, the mission of the two men also several operations, in the space for the future to prepare other place to change the battery. Hague checked the space walk astronauts used to anchor their own portable foot holder interface, and Koch installed the handrails for future space walk astronauts move.

the space walk on the original plan completed by Koch and McLean, this can be a space station space walk for the first time in the history of all women, but due to the space station size problem, such as appropriate space suits to prepare enough McLean is replaced by male astronaut William Hague.

this is the 215th space walk on the space station, is also the Koch's first spacewalk. According to the arrangement of the NASA, McLean tank to complete on April 8, space walk for the third time this year, when her partner will be Canadian male astronauts David & middot; St. Jacques.

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