4 Expedition 74 astronauts had a lightweight responsibility day on Wednesday following the day prior to this’s spacewalk for exterior robotics upkeep. The remaining three crew members from Roscosmos targeted on cardiac analysis and lab upkeep aboard the Worldwide Area Station.
NASA flight engineers Chris Williams and Jessica Meir concluded their second spacewalk collectively on Tuesday after efficiently changing a malfunctioning wrist joint on the Canadarm2 robotic arm. The duo spent seven hours and 20 minutes on Canadarm2’s fourth restore job since its set up on April 26, 2001. Preliminary checkouts of the arm by flight controllers on the bottom point out the arm is functioning effectively and extra checkouts and verification will proceed within the coming days.
Williams and Meir slept in on Wednesday and relaxed for a couple of hours afterward earlier than photographing their spacesuit gloves for inspection and refilling the water tanks that assist hold a spacesuit’s temperature steady throughout a spacewalk. Flight engineers Jack Hathaway of NASA and Sophie Adenot of ESA (European Area Company), who monitored and assisted the spacewalkers on Tuesday, additionally slept in and relaxed throughout the first half of their shift. Lastly, all 4 astronauts joined one another for the standard post-spacewalk convention with mission controllers on Earth and mentioned their expertise throughout the robotics restore job.
The orbiting laboratory’s commander Sergey Kud-Sverchkov and flight engineer Sergei Mikaev had a busy analysis schedule Wednesday learning how weightlessness impacts psychological efficiency and the circulatory system. Kud-Sverchkov and Sergei Mikaev first logged onto to a pair of pc tablets and took part in a take a look at that supplied more and more tough duties that required the pair’s coordination. Outcomes could reveal how teamwork, resolution‑making, and focus change throughout lengthy missions in house and result in improved mission coaching strategies.
The 2 cosmonauts additionally took turns carrying arm, wrist, and finger cuffs measuring their blood strain. Subsequent, the duo connected gentle‑based mostly sensors to their brow, fingers, and toes to check how blood flows by way of tiny vessels, or the microcirculatory system, within the pores and skin. Medical doctors will use the insights for early detection of space-caused circulation points to guard crew well being and the event of superior medical expertise on Earth.
Roscosmos flight engineer Andrey Fedyaev spent most of his shift contained in the Nauka science module cleansing smoke detectors. On the finish of his shift, Fedyaev downloaded and skim knowledge collected from radiation detectors that Williams and Meir wore on their spacesuits throughout Tuesday’s spacewalk.
Study extra about station actions by following the house station weblog, @space_stationon X, in addition to the ISS Facebook and ISS Instagram accounts.
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