Across
- 5. the first person to walk on the Moon
- 8. the first Czechoslovak cosmonaut
- 10. the first Slovak astronaut
- 11. one of the three astronauts to orbit the Moon
Down
- 1. the copilot of the first person in an open space
- 2. the first female pilot to fly across the Atlantic
- 3. the astronaut of Slovak origin who walked on the Moon
- 4. plans to put a plantgrowing chamber on Mars
- 6. commander of simulated missions to the Moon and Mars
- 7. Slovak inventor who invented the parachute
- 9. the first person to go into an open space