Across
- 3. first satellite to be placed in orbit
- 5. orbits the earth
- 6. main form of government in Russian sfsr
- 7. artificial body placed in orbit
- 9. curved path around a planet or star
Down
- 1. person who is trained to travel in an aircraft
- 2. our country
- 3. vehicle used for travelling in space
- 4. Last edge of settled country
- 8. Name of the topic