继前苏联航天员尤里·加加林首次进入太空以来,已有400多人完成航天飞行。人类在40多年的载人航天事业中创造了一个又一个世界之最。1961年4月12日,前苏联航天员加加林乘坐“东方-1”号宇宙飞船绕地球飞行1圈,历时108分钟,成为首位进入太空的人。1962年2月20日,美国发射载人飞 Since the former Soviet astronaut Yuri Gagarin first entered space, more than 400 people have completed space flight. Humanity has created one world after another in more than 40 years of manned space business. On April 12, 1961, former Soviet astronaut Gagarin took the spacecraft “Eastern-1” to fly around the earth for one circle and it took 108 minutes to become the first person to enter space. On February 20, 1962, the United States launched a manned flight