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Two NASA astronauts lead the 237th spacewalk on Saturday in front of the International Space Station (ISS).
Astronauts Victor Glover and Mike Hopkins are set to embark on the fifth spacewalk of the year to complete several system upgrades.
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Initially slightly late, Expedition 64 engineers were scheduled to leave the station’s Quest airlock shortly after 7:30 a.m. ET for a mission expected to last approximately six and a half hours.
The crew were the first in the airlock to put on their suits before their effort.
During the spacewalk, Glover and Hopkins are tasked with working on the station’s harbor structure – or “backbone” – where they will ventilate the first jumper lines of the ammonia system and move one of them. them near the Quest airlock in order to reconnect the starter cable to the station’s cooling system and increase its efficiency.
The duo will also connect cables for the parking position interface (PAPOS) of the station’s science lab Bartolomeo platform – an external payload hosting platform – which continues to operate from a spacewalk on Jan. 27 and replaces a cable for an amateur radio system.
Next, the astronauts will replace a wireless antenna assembly on the Unity Connection Module, a component that connects the Russian and US segments of the station, and install a “stiffener” on the airlock thermal blanket and route the cables to provide Ethernet capabilities for two -definition cameras on the port trellis.
This is Glover’s fourth spacewalk of his career and Hopkins’ fifth.
Hopkins wears a high definition camera on his helmet to provide a clear view of the Columbus module connectors.
This is the second spacewalk this month.
On March 5, NASA astronaut Kate Rubins and JAXA astronaut Soichi Noguchi spent the same time outside the Columbus module as part of the readiness efforts for later solar panel upgrades. this year.
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Solar panels absorb energy from the sun to provide electrical power to ISS systems and have shown signs of degradation.
Coverage of the event is broadcast live on NASA TV, and feeds can be accessed on the agency’s app, YouTube, and social media platforms.
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