On May 30,2023,Astronauts Jing Haipeng,Zhu Yangzhu and Gui Haichao flew into space in Shenzhou﹣XVI.They will spend about five months working in space.The crew (乘组) will do lots of tests and experiments (实验) .They will also give science classes to students on Earth.But it is different at this time.The astronaut,Gui Haichao,is the first Chinese scientist (科学家)and the first Chinese civilian (平民,百姓) in space.He is also the first Chinese astronaut with glasses.Is it OK for him to work with glasses in space?The experts (专家) say that's fine.