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Masterclass on space

The astronaut Wang Yaping delivers a lecture to over 60 million Chinese students

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The lesson, which will be broadcast by CCTV, will last from 10:04 am to 10:55 am.In a 45 minutes lecture, Wang, an airforce pilot assisted by her two male colleagues demonstrated weightlessness and how it affects the Newton laws of gravity.

In a live telecast lecture to about 330 primary and middle school and watched by more than 60 million students and teachers at about 80,000 middle schools besides hundreds of millions of awestruck Chinese. 

Virtually floating, Wang showed a small ball tied with a string to a holder fixed on a metal plate to show how it did not move like a pendulum on the earth and instead moved in a circular motion.

She later made a water film stuck in metal ring to explain the features of surface tension. Water magnifies in space due to zero gravity, she said.

Wang and her crew members set off to the space aboard the Shenzhou-10 spacecraft on June 11 and the spacecraft docked with the Tiangong-1 on June 13.

Wang showed students how normal scales, working under the influence of gravity, did not work inside the orbiter. Then, she introduced the special scale on board of the orbiter, which was designed on basis of the Newton´s second law of motion, or measuring the mass of an object through the net force and the acceleration. 

The lecture was co-hosted by the Ministry of Education, who has called for elementary and high schools all over the country to reschedule classes on Thursday to arrange for students to watch the program.

China launched its fifth manned spacecraft, Shenzhou-10, on June 11, which carried three astronauts, Nie Haisheng, Zhang Xiaoguang and Wang Yaping, into space.

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