China's Shenzhou-18 astronauts — Ye Guangfu, Li Cong and Li Guangsu — returned to Earth on Monday after the conclusion of their six-month mission at the China Space Station.
The return capsule landed at the Dongfeng landing site in north China's Inner Mongolia Autonomous Region at 1.24am All of the three crew members had left the capsule by 2.15am and they are stated to be in good health.
The Shenzhou-18 manned mission was a complete success, announced the the China Manned Space Agency.
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Ye, commander of the crewed mission, was also a member of China's Shenzhou-13 mission. He has become the first taikonaut with a cumulative spaceflight duration of more than one year, setting a new record for the longest time spent in orbit by a taikonaut.
After coming out of the return capsule, Ye said his return to the space station had once again left him deeply impressed by the rapid development of China's space program.
"I believe that a new record of time spent in orbit by Chinese astronauts will soon be set," he said.
Shenzhou-18 spaceflight mission was the first one for Li Cong. He said the crew was united as one, cooperating seamlessly with the ground team to ensure two successful extravehicular activities (EVAs), while the in-orbit scientific experiments progressed smoothly as well.
"The exploration of space is limitless," said Li, expecting to return to the vast space once again.
Li Guangsu, who also just completed his first flight mission with Shenzhou-18, said they had all enjoyed weightlessness in the vast, magical and beautiful space. Returning to Earth brings both excitement and a sense of nostalgia to leave space behind. "The biggest feeling at this moment is to feel proud of my great motherland," said Li after coming out of the return capsule.
Multiple tasks completed during 192 days
China launched the Shenzhou-18 manned spacecraft on April 25. The spacecraft later conducted fast automated rendezvous and docked with the space station combination.
The three taikonauts stayed in orbit for 192 days, during which they carried out two EVAs. Their first EVA set a new record for the longest single spacewalk by taikonauts, lasting approximately 8.5 hours.
They also installed space debris protection devices on the space station, conducted several outbound cargo delivery missions and undertook tasks such as the installation, commissioning, maintenance and repair of equipment both inside and outside the space station.
In close cooperation with the ground crew, the taikonauts also carried out extensive space science experiments involving basic microgravity physics, space material science, space life science, space medicine and space technology.
One of their achievements was the creation of an "aquarium" to raise zebrafish in microgravity environment, marking China's first in-orbit aquatic ecological research. The experiment involved studying the effects of the space environment on fish growth. In the experiment, zebrafish displayed abnormal swimming behaviours, including inverted swimming and circling under microgravity conditions. It also contributed to the understanding of material cycling in closed ecological systems in space.
The crew also conducted plant cultivation experiments to analyse changes in plant stem cell function and gene expression in a microgravity environment. The findings will aid in the development of crops that can thrive in outer space conditions.
CGTN