The ground control team may have got too celebratory after the successful docking of the Nauka module at the ISS, the head of Roscosmos said, blaming human error for the accidental activation of thrusters that tilted the station.
Nauka – the Russian Multipurpose Laboratory Module (MLM) – was launched last week and docked at the International Space Station on Thursday after 14 years of delays, giving the Russian space agency, Roscosmos, and space fans around the world ample reasons to celebrate. However, celebrations soon turned into a nerve-wracking suspense after the module unexpectedly began firing its thrusters again, spinning the entire space station and sending its crew into a tug-of-war of sorts, with the space station’s Russian modules firing their engines to compensate for the tilt.
Thankfully, the situation was soon brought under control, and NASA has assured everyone that the cosmonauts and astronauts were never in any danger. That didn’t stop the commenters on Twitter from producing memes and references to ‘Interstellar’ – a movie that featured a scene of docking to an out-of-control, spinning space station.
Nauka decided it would be fun to make ISS re-enact the docking scene from ‘Interstellar’?
— Kate (@CabbagePatchCat) July 29, 2021
With questions being raised as to what caused the unexpected orbital drama, Roscosmos chief Dmitry Rogozin publicly commented on the incident on Friday. Speaking to Komsomolskaya Pravda radio station, Rogozin blamed the Nauka incident on a possible “human factor” and emotions at ground control after the docking.
“I’d say it’s human factor. Everyone was so euphoric [after the docking], the team had lost alertness, to a certain extent. Probably, somebody among the operators did not take into account the control system of the module will continue to adjust itself in space,” Rogozin said, effectively suggesting that someone forgot to shut down the orientation control system of the new module after the docking.
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Nauka’s thrusters knocked the ISS from its altitude after causing the station to rotate some 45 degrees. The station was put back into its place shortly afterwards. Rogozin said the incident was an experience “to learn from,” but not a serious accident.
“The thrusters’ impulse was immediately compensated with other Russian-made thrusters located at the Zvezda module and the Progress cargo vessel,” he said.
Therefore, even if we – our operators – made a little error, this error was fixed immediately.
Nauka arrived at the ISS after Russia’s 20-year-old module Pirs was undocked from the station and burnt up in the atmosphere. The new lab, which is larger and more spacious, is capable of generating oxygen for six people and of recycling waste into water. It also comes with the 11-meter-long European Robotic Arm added to the module by the European Space Agency (ESA). (RT)
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