Space science: Ye (left) and Wang conducting experiments on Tiangong. — AP
TAIKONAUTS have conducted a science lecture 400km above Earth to millions of students, as they orbited in the Tiangong space station.
Major-General Zhai Zhigang, Senior Colonel Wang Yaping and Senior Colonel Ye Guangfu, all members of the Shenzhou XIII mission crew, greeted students, teachers and other participants when the lecture started at 3.54pm on Thursday.
