Cctv news(News broadcast): At 16: 01 today (October 12), the third lesson of "Tiangong Classroom" started at China Space Station. Newly-appointed "space teachers" Chen Dong, Liu Yang and Cai Xuzhe brought a wonderful space science class to the majority of young people. This is the first time that China astronauts have taught space in the candlestick experimental cabin.
The lecture was jointly sponsored by China Manned Space Engineering Office, Ministry of Education, Ministry of Science and Technology, China Association for Science and Technology and Central Radio and Television Station. There is a ground main classroom in the Space Application Engineering and Technology Center of Chinese Academy of Sciences, and three ground sub-classrooms in Heze, Shandong, Zhengzhou, Henan and Dali, Yunnan.
During the 50-minute lecture, the Shenzhou 14 flight crew vividly introduced the working and living scenes of the candlestick experimental cabin, demonstrated the magical phenomena such as capillary effect, water polo becoming "lazy" experiment in microgravity environment, interesting drinking water in space, wrench that can turn around, and explained the scientific principles behind the experiment.
This is the experiment of water polo becoming lazy, which takes you to explore the vibration changes of different forms of water polo in microgravity environment.
In addition, the astronauts also introduced the process of sample collection and storage of Arabidopsis thaliana from a first-person perspective. The astronauts also answered the questions raised by the students in orbit.