(CNN)Two cosmonauts, both from the Russian space agency Roscosmos, will conduct a spacewalk outside of the International Space Station on Wednesday.

Sergey Ryzhikov and Sergey Kud-Sverchkov will be preparing the outside of the space station’s Russian segment to receive a new module. (From left) Expedition 64 Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov of Roscosmos will conduct their first spacewalk.(From left) Expedition 64 Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov of Roscosmos will conduct their first spacewalk.(From left) Expedition 64 Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov of Roscosmos will conduct their first spacewalk.That’s right; both bear the first name Sergey, spelled exactly the same way. This is Ryzhikov’s second time on the space station and Kud-Sverchkov’s first. And it’s the first spacewalk for both cosmonauts.Worried about telling the two cosmonauts apart? Ryzhikov, the current Expedition 64 Commander, will be wearing a Russian Orlan spacesuit with red stripes while Kud-Sverchkov will wear a spacesuit with blue stripes as extravehicular crew member 2.Humans have been living on the space station for 20 yearsHumans have been living on the space station for 20 yearsHumans have been living on the space station for 20 yearsRyzhikov will be designated EV1 and Kud-Sverchkov will be designated EV2 — which is less confusing than when they were referred to as “Sergey 1” and “Sergey 2” during a press conference appearance aboard the space station in October.Read MoreKate Rubins, the NASA astronaut who launched with the cosmonauts in October from Kazakhstan, helped them suit up and will monitor their progress throughout the spacewalk.New toilet, a VR camera and science experiments are heading to the space stationNew toilet, a VR camera and science experiments are heading to the space stationNew toilet, a VR camera and science experiments are heading to the space stationLive coverage of the spacewalk, which officially began at 10:12 a.m. ET, will stream on NASA’s website. The spacewalk is expected to last for about six hours. This is the 47th Russian spacewalk contributing to assembly and maintenance for the station, the 232nd overall spacewalk and the eighth this year.First, the cosmonauts will inspect the hatch for leaks outside the Russian Poisk module since it will be used as an airlock once the new module arrives. NASA astronaut, Russian cosmonauts launch to the space stationNASA astronaut, Russian cosmonauts launch to the space stationNASA astronaut, Russian cosmonauts launch to the space stationThe new Russian Multipurpose Laboratory Module, called “Nauka” which is Russian for “science,” will replace the Russian Pirs module. Pirs will be decommissioned, undocked and disposed of in the future. Nauka will launch next year from Kazakhstan. In the meantime, several spacewalks will be needed to relocate assets from Pirs and the Zarya module to prepare for Nauka’s arrival in April 2021. “We welcome any and all modules, especially if they have stowage space,” Rubins said in October. And then there were 7The NASA SpaceX Crew-1 flight docked at the space station on Tuesday, bringing the total astronauts on the station to seven (plus one Baby Yoda serving the all-important job as a zero gravity indicator).Zero gravity indicators, usually cute toys, let the crew know when they’ve reached space after launch. As soon as the toy begins to float, they know they’re in space. Yuri, a little cosmonaut knitted by Kud-Sverchkov’s wife Olga, accompanied them during their October launch. Each crew gets to pick their own indicator, according to NASA. Expedition 64 crew member Sergey Kud-Sverchkov holds a knit cosmonaut named Yuri made by his wife Olga.Expedition 64 crew member Sergey Kud-Sverchkov holds a knit cosmonaut named Yuri made by his wife Olga.Expedition 64 crew member Sergey Kud-Sverchkov holds a knit cosmonaut named Yuri made by his wife Olga.Crew-1 carried NASA astronauts Victor Glover Jr., Michael Hopkins and Shannon Walker and Japan’s Soichi Noguchi to the space station for their six-month stay.SpaceX-NASA mission: Four astronauts arrive at International Space StationSpaceX-NASA mission: Four astronauts arrive at International Space StationSpaceX-NASA mission: Four astronauts arrive at International Space StationNASA’s Commercial Crew program can expand the amount of astronauts on the space station — which means that more science, and even new types of experiments, can happen in the unique microgravity environment. The seven crewmembers had a welcoming ceremony on Tuesday.It’s a historic moment for the space station. This will be the first long-duration crew including seven members in the space station’s 20 years. November 2 marked 20 years for a continuous human presence on the space station. Previously, the space station has hosted as many as 13 people, but only for a few days as crews came and went.

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https://www.cnn.com/2020/11/18/world/iss-russian-spacewalk-scn-trnd/index.html

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