Russian cosmonauts set up X-ray detector, jettison trash on spacewalk outdoors ISS

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Russian cosmonauts set up X-ray detector, jettison trash on spacewalk outdoors ISS

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December 20, 2024

Russian cosmonauts set up X-ray detector, jettison trash on spacewalk outdoors ISS

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A Russian cosmonaut took a brief trip on the finish of a robotic arm to jettison spent gear that he and a crewmate collected throughout a spacewalk outdoors the Worldwide Area Station in the present day (Dec. 19).

Expedition 72 flight engineer Alexey Ovchinin secured his toes at one finish of the European Robotic Arm (ERA) towards the tip of his and Ivan Vagner’s seven-hour extravehicular exercise (EVA) in the present day. Fellow Roscosmos cosmonaut Alexsandr Gorbunov managed the 37-foot-long (11.3 meters) arm’s motion from contained in the house station.

On the desired level, Ovchinin tossed the bundle of not wanted electrical connectors, covers and an experiment increase overboard such that it will not are available in contact with the orbiting laboratory earlier than burning up whereas reentering Earth’s environment.

A cosmonaut's gloved hand is seen against the Earth below as viewed from a spacesuit helmet-mounted camera during a spacewalk. — The view from Russian cosmonaut Alexey Ovchinin’s spacesuit helmet-mounted digicam exhibits a trash bundle as a simply spec over Earth’s horizon (at prime proper) simply minutes after he accomplished the jettison outdoors of the Worldwide Area Station on Thursday, Dec. 19, 2024. (Picture credit score: NASA+)

“Right here it goes, it’s floating away,” mentioned Ovchinin as he launched the bundle with a push towards the aft finish of the house station. “It’s going away properly.”

Associated: Spacewalks: How they work and main milestones

Ovchinin and Vagner started the spacewalk at 10:36 a.m. EST (1536 GMT) as they opened the hatch to the airlock on the Poisk mini-research module. As soon as outdoors the station and having picked up the instruments they wanted for the tour, the 2 cosmonauts proceeded to the Zvezda service module, the place they put in the “All-Sky Monitor,” an X-ray spectrometer.

Utilizing the All-Sky Monitor, “scientists will conduct a periodic, nearly full (84 p.c) remark of the celestial sphere throughout the X-ray wavelength vary each 72 days over three years (in all, 15 such observations are being deliberate),” in response to a Roscosmos assertion.

From there, Ovchinin and Vagner labored on swapping out 4 electrical connector patch panels on the surface of Zvezda with new replacements. The previous panels have been a part of the bundle that Ovchinin disposed of later within the spacewalk.

The cosmonauts additionally collected experiments that uncovered supplies (“Check and Endurance”) and organic samples (“Management”) to evaluate their response to the house setting. Ovchinin and Vagner introduced the experiment panels again contained in the station to be returned to Earth on a Soyuz spacecraft for additional research on the bottom.

As a closing process, the spacewalkers jettisoned towels that they used to wipe down their spacesuits‘ gloves earlier than reentering the airlock.

Attributable to time constraints, the spacewalkers forewent the relocation of an exterior management panel for the European Robotic Arm. The transfer would have cleared a translation path for future EVAs however in any other case was not essential to station operations.

Two Russian cosmonauts work outside of the International Space Station during a spacewalk.

Russian cosmonauts Alexey Ovchinin (at heart) and Ivan Vagner (at backside) work outdoors of the Worldwide Area Station throughout a spacewalk on Thursday, Dec. 19, 2024. (Picture credit score: NASA+)

Thursday’s spacewalk ended at 5:53 p.m. (2253 GMT), 7 hours and 17 minutes after it started. It was the 272nd EVA in help of the meeting, upkeep and improve of the Worldwide Area Station since 1998.

This was the primary spacewalk throughout Expedition 72 and the third carried out on the Worldwide Area Station this 12 months (together with a U.S. spacewalk that was reduce brief at simply 31 minutes because of a water leak whereas each crew members have been nonetheless contained in the Quest airlock). 5 further spacewalks have been carried out in 2024, together with 4 outdoors China’s Tiangong house station by the Shenzhou 17, 18 and 19 crews and the world’s first industrial spacewalk, carried out by the Polars Daybreak crew outdoors a SpaceX Dragon spacecraft.

It was Ovchinin’s second EVA and Vagner’s first. Ovchinin beforehand carried out a six hour and one minute spacewalk in 2019, such that his complete is now 13 hours and 18 minutes working within the vacuum of house.

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