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International Space Station maneuvers to avoid Russian rocket debris

by Chief editor of world-today-news.com December 22, 2022
written by Chief editor of world-today-news.com

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Two American astronauts were just preparing for a spacewalk before the ground control team noticed that space debris was approaching the International Space Station (ISS). Photo/NASA

HOUSTON – International Space Station (ISS) Perform maneuvers to avoid junk space debris from Russian rocket chunks. Space debris it measures 3.35 meters, which is less than a quarter of a mile or 0.4 kilometres.

The space debris was part of a Russian rocket, frigate top plane used in Soyuz and Zenith launchers. Space junk is estimated to be within 0.4 kilometers of the ISS, triggering a “red” or higher-level threat alert.

“This is part of the debris that has been tracked down over the last few days. This morning the threat turned red and we must act for the safety of the crew,” said Dan Huot, NASA spokesman at Mission Control at the Johnson Space Center in Houston. ).

Read also; Russian space maneuvers to save the ISS

NASA also postponed a planned spacewalk after a large chunk of Russian space debris came very close to the ISS orbital outpost. NASA astronauts Frank Rubio and Josh Cassada are about to emerge from the Quest airlock to install a new solar array.

The ground control team maneuvered to avoid space debris to bring the ISS to safety using thrusters aboard the Russian Progress cargo spacecraft docked at the Russian station segment. The ISS maneuver should take place at 8:42 EST.

“The crew is not in danger. It’s not the first time we’ve done this and it won’t be the last. These are just some of the realities of operating in low Earth orbit,” said Huot.

The crash occurred about a week after a significant refrigerant leak from the Russian Soyuz capsule. This spacecraft, which carried NASA’s Frank Rubio and Russian cosmonauts Sergey Prokopyev and Dmitry Petelin to the space station in September 2022.

Read also; Russian cargo plane pushes ISS maneuvers to avoid remaining debris Anti-satellite missile test

The leak may have made the Soyuz MS-22 capsule unsafe for astronauts to fly home. Experts assess the leak as the result of a collision with space debris or a meteorite, but an official investigation is still ongoing.

If these fears are confirmed, the space station may for the first time in its history lack the capability to bring the entire crew home safely in the event of a major onboard accident. “There’s never a dull day aboard the International Space Station,” Huot said.

(wib)

December 22, 2022 0 comments
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World

Damaged Soyuz MS-22 aircraft, cannot be repaired on space station

by Chief editor of world-today-news.com December 21, 2022
written by Chief editor of world-today-news.com

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The Soyuz MS-22 spacecraft is docked with the International Space Station (ISS). Photo/nasa

FLY – It is not possible to repair the cooling system malfunction of the Soyuz MS-22 spacecraft docked with the International Space Station (ISS), while in orbit.

“The Soyuz has lost 44 liters of coolant, which is under the pressure of 3 atmospheres,” a source with knowledge of the matter told Sputnik.

The leak in the Soyuz MS-22 cooling system occurred last week due to damage to the outer shell of the spacecraft.

The cosmonauts reported to ground control that the Soyuz diagnostic system had been activated and confirmed that they were visually observing the leak.

Read also: Explosion rocks main Russian gas pipeline, energy prices in Europe go crazy

Due to the accident, the spacewalk of Russian cosmonauts Sergey Prokopyev and Dmitry Petelin was canceled.

Russia’s state space agency Roscosmos noted that all spacecraft and ISS systems were functioning normally, the crew were safe, and experts would determine what to do after analyzing the situation.

“It is impossible to repair such a fault under the conditions of the International Space Station. Even if you plug the leak during a spacewalk, how can you pump 44 liters of coolant into the radiator at a pressure of 3 atmospheres? temperature of the system must subsequently be subjected to special pressure tests, which in principle cannot be performed in orbit,” the source said.

Read also: Zelensky secretly visits US, Capitol security tightened

He added that Roscosmos specialists managed to maintain a comfortable temperature in the living space of Soyuz MS-22 by turning off its systems and supplying cold air from the Russian segment of the ISS.

December 21, 2022 0 comments
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Health

Russia assesses Soyuz MS-22 losses by activating thruster engine, results surprise

by Chief editor of world-today-news.com December 18, 2022
written by Chief editor of world-today-news.com

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Russian engineers and space experts continue to investigate the leak that occurred on the Soyuz MS-22 spacecraft docked with the International Space Station (ISS). Photo/NASA

FLY – Engineers and astronauts Russia continues to investigate the leak that occurred on the dropship Soyuz MS-22 docked with the International Space Station (ISS). One of the steps taken was the launch of the Soyuz MS-22 propulsion engine on Friday, December 16, 2022.

Russian engineers have ordered Soyuz MS-22 to fire its thrusters at 0308 EST or 0808 GMT, as part of their investigation. The leak was traced to an external cooling loop on the Soyuz spacecraft.

“The tested systems are nominal and Roscosmos evaluation of the Soyuz system. The temperature and humidity inside the Soyuz spacecraft, docked to the Rassvet module, are within acceptable limits,” NASA wrote, quoted by SINDOnews from Space.com page, on Saturday (12/17/2022).

Read also; Russian Soyuz spacecraft damaged by cooling system leak

Earlier that day, Roscosmos via Telegram said the temperature inside the Soyuz had reached 86 degrees Fahrenheit or 30 degrees Celsius, meaning it was still within operational limits. “This is just a slight change in temperature,” wrote Roscosmos.

The Soyuz MS-22 spacecraft is docked in a Russian port on the Earth-facing side of the ISS. Soyuz MS-22 launched to the ISS in September delivering Russian cosmonauts Sergey Prokopyev and Dmitri Petelin and NASA astronaut Frank Rubio.

Russian engineers are working to determine the feasibility of the Soyuz MS-22 spacecraft. There is still no official statement as to whether Soyuz MS-22 can still be used to return astronauts to Earth in March 2023 as planned.

Roscosmos has deployed a European-made robotic arm to the Russian Nauka laboratory module on the ISS to inspect the Soyuz capsule and has reported some signs of damage. NASA will also use the Canadian-made Canadarm2 station to survey Soyuz on Sunday, December 18, 2022.

Read also; NASA astronauts return to Earth with Soyuz planes and Russian cosmonauts

The Russian-made Soyuz MS-22 spacecraft suffered a coolant leak on the evening of Wednesday, December 14, 2022, as two cosmonauts were preparing for a spacewalk outside the station. Russia’s space agency Roscosmos canceled that spacewalk and postponed another indefinitely to investigate the cause of the coolant leak.

The leak in the Soyuz MS-22 cooling system seems quite significant because it sprays coolant particles into space quite heavily. So far there is still no definitive explanation as to what caused the leak in the cooling system of Soyuz MS-22.

(wib)

December 18, 2022 0 comments
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Health

Leaked Soyuz MS-22 capsules re-evaluated unfit for use

by Chief editor of world-today-news.com December 17, 2022
written by Chief editor of world-today-news.com

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The Russian-made Soyuz MS-22 spacecraft is seen docked to the Rassvet module of the International Space Station (ISS). The laboratory module of Russia’s Nauka station is seen in the background, with a folded European robotic arm. Photo/NASA

PARIS – Spaceship Soyuz MS-22, which had a leak in its cooling system, was deemed unfit to fly because it posed a safety risk to astronauts. Even if the cause of the leak is unknown Soyuz MS-22 presumably the result of impacted space debris or damaged valve linings.

The president of the International Association for the Advancement of Space Safety (IAASS), Tommaso Sgobba, said the Soyuz spacecraft had been “damaged beyond repair”. This condition rendered Soyuz MS-22 unable to return three astronauts to Earth.

“From what I can see from the pictures, this is a huge coolant leak. Therefore, Soyuz is no longer available for operation,” Sgobba told Space.com on Saturday (12/17/2022).

Read also; Russian Soyuz spacecraft escapes, 7 astronauts on ISS are temporarily safe

Footage shows a spectacular coolant leak from a Russian Soyuz capsule on Wednesday, December 14, 2022, convincing the top spaceflight safety expert that the craft is most likely no longer fit to fly. This condition poses a major safety risk to residents of the International Space Station (ISS).

“We have lost the crew evacuation system. This is most likely the first time a space station hasn’t had the full capacity of a lifeboat,” Sgobba said.

So, if an emergency accident occurs on the ISS, of the 7 existing astronauts, only 4 can be evacuated with the SpaceX Crew Dragon capsule. Meanwhile, the other 3 astronauts had to wait on the ISS until the next rescue mission arrived.

“The only thing that can be done is for Russia to send a replacement Soyuz, but that’s not something that happens in a day or two. Even if the life-saving capability in the space station is related to life issues,” he told her.

Read also; Russia assesses Soyuz MS-22 losses by activating thruster engine, results surprise

As for the cause of the crash, Sgobba is inclined to believe that the coolant reservoir may have been impacted by large space debris, although valve damage is another possible cause.

“The leak is huge, it could be a leaking fuel hole or something. I’m guessing it hit some kind of larger object, not a micrometeorite because the spacecraft is designed to withstand the impact of small objects,” he said. explained.

(wib)

December 17, 2022 0 comments
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