Across
- 2. Extravehicular activity
- 3. Manned spacecraft section
- 4. Pertaining to the moon
- 5. Circular path of a satellite
- 8. Soviet spacecraft series
- 9. First human in space
- 12. Initial U.S. manned space program
- 13. Spacecraft touching down
Down
- 1. Moon landing program
- 2. First artificial satellite
- 4. First living being in space
- 6. Mars exploration vehicle
- 7. International Space Station
- 10. U.S. two-astronaut program
- 11. Data transmission from space