BEIJING, Sept. 18 (Xinhua) -- The following is a summary of published science and technology news of China.
China's Shenzhou-14 astronauts have completed their extravehicular activities (EVAs), the China Manned Space Agency (CMSA) said on Saturday.
At 1:35 p.m. (Beijing Time), Cai Xuzhe opened the hatch of Wentian's airlock cabin. By 3:33 p.m., both Cai and Chen Dong were outside.
The pair returned to the lab module at 5:47 p.m. after about five hours of EVAs, according to the CMSA, which has declared the mission a complete success.
A research team from China has discovered geological evidence of at least four layers of volcanic lava flows that flooded the landing region of the Chang'e-5 lunar exploration mission, according to a press release from the National Space Science Center (NSSC) of the Chinese Academy of Sciences.
China's Chang'e-5 mission brought a total of 1,731 grams of lunar samples back to Earth at the end of 2020. The landing region of the mission on the northwest region of Oceanus Procellarum, also known as the Ocean of Storms, is considered to be one of the youngest basaltic units on the lunar surface.
CHINA'S FOOD, NUTRITION DEVELOPMENT
The Chinese Academy of Agricultural Sciences (CAAS) released a report on China's food and nutrition development on Saturday.
The report summed up the trends of China's food and nutrition in recent decades, and presented a series of problems and suggestions.