The name of the russian astronaut who performed this feat was leonov . 建立这一功绩的苏联宇航员名叫雷诺夫。
2.
The name of the russian astronaut who performed this feat was leonov , and the date of his walk in space was march 18 , 1965 完成这一壮举的俄罗斯宇航员的名字是利奥诺夫，他进行太空行走的日子是1965年3月18日。
