Across
- 4. first Canadian in space
- 6. Biggest planet in the solar system
- 7. Coldest planet in the solar system
- 9. huge balls of rock that float in the galaxy
- 10. Smallest planet in the solar system
Down
- 1. third planet in our solar system
- 2. hottest planet in the solar system
- 3. first human in space
- 5. name one of the gas giants
- 8. name of our galaxy