Across
- 2. Device used by astronauts to breathe in space
- 3. First human in space
- 5. The term for the condition experienced by astronauts in zero gravity
- 6. The force that keeps astronauts in orbit
- 7. Spacecraft that carried humans to the Moon
Down
- 1. Space agency that sends astronauts to the International Space Station
- 2. The location where rockets are launched
- 4. The term for the study of space
- 7. The name of the first man to walk on the Moon
- 8. The first animal to orbit the Earth