Zhang Hongzhang remained inside Tiangong during the Shenzhou-21 crew’s third spacewalk and supported Wu Fei and Zhang Lu from the station.
The Shenzhou-21 crew’s third spacewalk lasted about five and a half hours and ended at 01:36 China Standard Time on April 17.
The Shenzhou-21 crew was expected to return to Earth in early June after the extension.
Zhang Lu completed his seventh extravehicular activity during the Shenzhou-21 crew’s third spacewalk.
The Shenzhou-21 crew is wrapping up human health experiments in orbit before the return of NASA’s Artemis II mission within the next four weeks.
Shenzhou-21 taikonauts Zhang Lu, Wu Fei, and Zhang Hongzhang are aboard the Tiangong Space Station.
The Shenzhou-21 crew completed scheduled inspections and maintenance of cryogenic storage units, application fluid loop pumps, and life support system equipment.
The Shenzhou-21 crew completed blood sample collection, centrifuge processing, and storage for return as part of planned experiments on metabolic interaction regulation, space omics, and sleep.
The Shenzhou-21 crew used a space-based Raman spectrometer to analyze metabolic components in urine samples.
Zhang Hongzhang is making his first trip to space on Shenzhou-21.
The Shenzhou-21 crew uses space treadmills and resistance bands to exercise in orbit and counteract the physiological effects of microgravity.
The Shenzhou-21 crew organized supplies and cleaned the cabin to maintain a habitable environment aboard the Tiangong Space Station.
The Shenzhou-21 crew collected and froze saliva samples for analysis after return to Earth.
The Shenzhou-21 crew replaced the burner and gas cylinders in the combustion science experiment cabinet.
Wu Fei is making his first trip into space on Shenzhou-21.
The Shenzhou-20 crew returned to Earth on the Shenzhou-21 spacecraft.
The Shenzhou-21 crew cleaned samples in the containerless experiment chamber, maintained mechanism motors, and cleaned the porthole cover lenses.
The Shenzhou-21 crew has been in orbit for more than 160 days.
The Shenzhou-21 crew replaced samples in the fluid physics experiment cabinet.
The Shenzhou-21 crew is continuing to work aboard the Tiangong Space Station ahead of the Shenzhou-23 mission’s arrival and handover at the end of the month.