- fallen astronaut
- 的: 4次方是 The fourth power of 2 i ...
- 宇航员: astronaut; cosmonaut
- 宇航员: astronaut ; cosmonaut ; spaceman; astronaut n. a person who travels through space in a space vehicle; astronauts; pilot astronaut; space flyer; space man; space traveller; spaceman(astronaut)
- 不同国籍的宇航员上天时间表: timeline of space travel by nationality
- 苏联航天史1：看不见的宇航员: red star in orbit part 1 - the invisible spaceman
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