Shenzhou-18 Science Experiment Samples Arrive in Beijing | China Space Station
Experimental samples brought to Earth by the return capsule of China’s Shenzhou-18 spacecraft are expected to spur further scientific progress in a range of fields, say researchers. The temperature-controlled life science experimental samples were transported to Beijing and delivered to scientists on Monday, November 4, 2024.
The return capsule carrying astronauts Ye Guangfu, Li Cong, and Li Guangsu touched down at the Dongfeng landing site in north China's Inner Mongolia Autonomous Region on Monday morning.
The Shenzhou-18 manned spacecraft was launched on April 25, 2024. During the three astronauts' six-month stay in the Tiangong space station, they conducted 90 experiments and tests in material science, life science, medicine, space technology, and in the basic physics of microgravity.
The crew brought back 55 categories of scientific experiment samples, involving 28 subjects in space life sciences, space materials sciences, microgravity combustion science and other fields. The samples weigh 34.6 kilograms in total.
There are 24 categories of life science samples, including zebrafish culture medium, amino acids, and radiation-resistant microorganisms. The zebrafish culture medium focuses on the study of the substance circulation mechanism of aquatic ecosystems in space environment, so as to provide theoretical support for the construction of complex ecosystems in long-term stable operation in space.
"What was conducted in orbit mainly were to collect fish egg boxes and water samples in the early stage. We sampled water three times in total, respectively on the 10th, 20th and 30th day (from the beginning of the experiment), and replaced the fish food boxes in the middle stage. Next, we will study the physical and chemical properties of the collected water samples to explore the law for stable operation of the binary system composed of zebrafish and hornwort," said Tao Yi, a senior engineer at the Shanghai Institute of Technical Physics under the Chinese Academy of Sciences.
The material and combustion samples brought back this time will be transported to Beijing later along with the return capsule of Shenzhou-18. There are 30 categories of material samples, including composite lubricating materials, optical fibers, and optical films.
Commander Ye Guangfu (叶光富)
Mission Specialist Li Cong (李聪)
Mission Specialist Li Guangsu (李广苏)
Duration: 2 minutes
Release Date: Nov. 4, 2024
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