A Chinese astronaut orbiting 340 kilometers above Earth has given a live video lesson on gravity to school children in China.
Chinese Astronaut Gives Live Video Lesson From Space
5
A soldier runs away from the launch pad holding the Shenzhou-10 manned spacecraft at Jiuquan satellite launch center in Jiuquan, Gansu province, China, June 10, 2013.
6
Chinese astronauts (from L to R) Wang Yaping, Zhang Xiaoguang and Nie Haisheng wave before leaving for the Shenzhou-10 manned spacecraft mission, Gansu province, June 11, 2013.