NASA astronauts Christina Koch and Jessica Meir are scheduled to leave the International Space Station (ISS) on Friday, October 18. The astronaut duo will be the first all-woman team to perform maintenance work on the space station. The historic spacewalk comes after a seven-month delay to the event originally planned for March.
NASA’s astronauts will leave the ISS on Friday for what is the third spacewalk this month.
The astronauts are tasked with replacing an ISS power controller that has failed.
You can watch their effort in the embedded video player below, courtesy of NASA TV.
Mrs Koch will leave the ISS four the fourth time in her astronaut career.
For Ms Meir, however, this will be her very first spacewalk.
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What time is the NASA spacewalk on Friday?
NASA initially planned the spacewalk for Thursday, October 17.
The space agency has, however, pushed the event back by one day to Friday, October 18.
The spacewalk is scheduled to kick off tomorrow at 12.50pm BST (7.50am EDT).
NASA said: “On Friday, October 18, starting at around 5.50am EDT, NASA astronauts Christina Koch and Jessica Meir will venture outside the International Space Station for a spacewalk.
“The duo will exit the station’s Quest airlock in their US spacesuits to replace a power controller that failed over the weekend.”
How to watch the NASA spacewalk on Friday?
You can watch the action unfold 250 miles (402km) above Earth here on Express.co.uk, courtesy of NASA.
The space agency will broadcast the spacewalk online over YouTube.
NASA’s live coverage of the event will begin tomorrow around 11.30am BST (6.30am EDT).
Simply hit the play button on the embedded video player above.
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NASA predicts the spacewalk will last around five-and-a-half hours from start to finish.
NASA said: “The pair in their US spacesuits will venture to the far side of the station on the Port 6 truss structure.
“Once there, the spacewalkers will take about five-and-a-half hours to replace the failed power regulator with a spare BCDU.
“The BCDU had been in operation since December 2000 and is due to return to Earth on the next SpaceX Dragon resupply ship for inspection.NASA spacewalk: This will be Jessica Meir's first-ever spacewalk (Image: NASA)NASA spacewalk: The entire event will be broadcast live online on Friday, October 18 (Image: NASA)
“The device regulates the charge to batteries that collect and distribute power to the station.”
NASA had originally planned five spacewalks for October to upgrade the space station’s batteries.
The space agency has also pencilled in five more spacewalks to repair a cosmic particle detector, the Alpha Magnetic Spectrometer, between November and December.
Ms Meir tweeted before tomorrows event: “Gearing up for Friday’s spacewalk to help the ground teams repair one of the battery channels with @Astro_Christina … first spacesuit selfie, check!
“Photos will be much more spectacular once we pass through the hatch. Be sure to watch live: https://nasa.gov/live”
The spacewalk was originally planned for March but was cancelled due to a lack of spacesuits.
The original spacewalk would have been carried out by Mrs Koch and NASA astronaut Anne McClain.
Mrs Koch arrived on the ISS in March and Ms Meir joined the space station crew on September 25 this year.