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The Russian Pirs unit successfully separated from the International Space Station to make way for the incoming Nauka

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Pierce and progress shortly after it was removed from the International Space Station on Monday, July 26, 2021.

Pierce and progress shortly after it was removed from the International Space Station on Monday, July 26, 2021.
picture: Roscosmos

The Russian part of the International Space Station is now ready to receive The Nauka module, after the successful removal of the Pirs docking station and the Progress spacecraft.

It’s 6:55 a.m. on Monday On July 26, a Progress MS-16 unmanned cargo transport vehicle, along with a Pirs docking station, ejected from the International Space Station, according to NASA. statment. Both were supposed to be mostly destroyed during re-entry through Earth’s atmosphere, RSA Roscosmos tweeted that the vehicle’s “non-combustible structural elements” had fallen into the Pacific Ocean.

Mission Progress 77 arrived at the International Space Station in February, to deliver supplies and cargo to the Expedition 65 crew. The Pirs module has been in operation for 20 years, having been launched at the station on September 14, 2001. Pirs, which means “pier” in Russian, has been decommissioned to make room for Sphere for the incoming Nauka module, also known as the Multipurpose Laboratory Module (MLM), which lifted off into orbit last Wednesday.

The docking compartment and spacecraft shortly before re-entry on Monday, July 26, 2021.

The docking compartment and spacecraft shortly before re-entry on Monday, July 26, 2021.
picture: Roscosmos

The original plan was to expropriate Pierce on Friday, July 23, but this has been moved to Monday Adistance A series of problems with the Nauka mission, which took off on July 21 from the Baikonur Cosmodrome in Kazakhstan. In addition to Didn’t complete his first orbital burn (Case solved With the spare thrusters), the Nauka has an obvious antenna problem, and something funky is going on with the mooring target, which could present difficulties on docking day, scheduled for Thursday, July 29.

Last Saturday, as soon as it became clear that Nauka would make it to the International Space Station, Roscosmos astronauts Oleg Novitskiy and Pyotr Dubrov began preparations for de-docking, closing the transfer doors between Pirs and the Russian part of the space station, while also checking for pressure integrity. And according to to Roscosmos.

The Pirs docking station is 16 feet (4.9 m) long and 8.4 ft (2.6 m) It weighs 8,461 pounds (3838 kilograms) according to to NASA. Over the past two decades, The unit served as a science laboratory, docking port, and airlocks for spacewalks.

After undocking, the unit and spacecraft were moved to a safe distance. The controllers used Progress’s thrusters to slow down the objects, in an event at 10:01 a.m. EDT. What remained after returning to the Earth’s atmosphere fell into the “It is an unnavigable area in the Pacific Ocean,” according to Roscosmos.

With the disappearance of Pirs and Progress, the port on the landward side of the Russian part is ready to receive Nauka, which means “flag” in Russian. The new section will provide more space for science experiments, merchandise and equipment. Nauka also delivers products to Europe New robotic arm, which will serve the Russian part of the space station.

Referensi: gizmodo.com

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