On June 20, 2013, Wang Yaping, the astronaut of Shenzhou 10 manned spacecraft, conducted China's first space lecture in Tiangong 1 space laboratory with the assistance of Nie Haisheng and Zhang Xiaoguang. The space lecture lasted 50 minutes. Since the Shenzhou Tiangong assembly runs at an altitude of about 340 kilometers from the ground, it can circle the earth in more than an hour. From the beginning to the end of the class, the Shenzhou Tiangong assembly has flown around the earth for more than half a circle. The first show of "Tiangong classroom" has rich courses, including space quality measurement, space pendulum experiment, space gyro experiment, space making water film experiment and space making water polo experiment. More than 60 million primary and secondary school students across the country watched CCTV's live teaching, which had a huge social response. These experiments help teenagers deepen their understanding of basic physical concepts such as mass, weight and Newton's law in the differences between heaven and earth. The Chinese space station, which is about to be completed and has been in orbit for more than 10 years, is bound to build a broader platform for science education. Today, when ordinary people meet to photograph the Chinese space station passing overhead in the night sky, and when more and more teenagers regard science and space exploration related careers as their life ideals, the significance of China's development of aerospace has long exceeded the aerospace project itself. (outlook new era)
Edit：Yuanqi Tang Responsible editor：Xiao Yu
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