今年4月12日是前苏联宇航员尤里·加加林太空飞行40周年纪念日。40年前的这一天,加加林乘坐“东方1号”宇宙飞船,绕地球飞行了108分钟后,安全返回地面,完成了人类有史以来首次太空飞行,从而开创了世界载人航天的新时代,标志着人类在认识和开发宇宙空间的进程中迈出了重要的一步。 April 12 this year marks the 40th anniversary of the space shuttle Yuri Gagarin, a former Soviet astronaut. 40 years ago this day, Gagarin took the “Oriental No. 1” spacecraft, orbiting the earth 108 minutes later, returned safely to the ground, completed the first human spaceflight history, thus creating a new era of manned spacecraft in the world , Marking a significant step in the process of humankind’s understanding and development of space.