International Space Station Astronaut talking for Space Walk on January 6 , 2017
"The major objective of
this spacewalk is to complete the replacement of the nickel-hydrogen batteries
that are currently on board the station with lithium-ion batteries," EVA
flight director Jud Frieling said in a briefing on NASA TV. In an interview with the two spacewalkers, Kimbrough said,
"The batteries that are out there now have been up here for the duration
of the space station, some over a decade and the others even more, so it's just
time to change them out."
Replacing those batteries is a lengthy process that started on Dec. 31 with a series of robotic operations, Frieling said. To prepare for the spacewalk, a robotic arm outside the station known as Dextre, or the Dextrous Manipulator, removed the new batteries and adapters from the HTV-6 cargo spacecraft that delivered the equipment along with other supplies to the ISS on Dec. 13. "If we didn't have the robotics helping us out, it would be six spacewalks" instead of two, Whitson said in the interview.
NASA astronauts Shane Kimbrough and Peggy Whitson are venturing outside the International Space Station today (Jan. 6) to upgrade the orbital outpost's electrical power system.
They Departed through ISS air lock at 7 a.m and stayed outside for 6.5 hours for changing the electrical guidance system.
Replacing those batteries is a lengthy process that started on Dec. 31 with a series of robotic operations, Frieling said. To prepare for the spacewalk, a robotic arm outside the station known as Dextre, or the Dextrous Manipulator, removed the new batteries and adapters from the HTV-6 cargo spacecraft that delivered the equipment along with other supplies to the ISS on Dec. 13. "If we didn't have the robotics helping us out, it would be six spacewalks" instead of two, Whitson said in the interview.
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