Across
- 1. Everything outside the Earth's atmosphere
- 7. Large natural objects that orbit
- 8. Small,rocky objects that orbit the sun
- 9. First satellite launched into space
Down
- 2. America wants to contain the spread of...
- 3. A person who is trained to travel in spacecraft
- 4. Spaceship powered by rockets
- 5. First person on the moon
- 6. Force that attracts the body to the center of the Earth