Across
- 3. The planet we live on
- 5. Our galaxy
- 8. The biggest planet in our solar system
- 10. How we observe the galaxy for a long time
- 11. When planets orbit a star
- 12. The vessel we use to reach space
- 13. The planet closest to the sun
- 14. The closest star to earth
Down
- 1. The furthest planet from the sun
- 2. The coldest planet in our solar system
- 3. When the moon blocks the sun
- 4. What makes air stay on earth
- 5. It orbits earth
- 6. The people who go to space
- 7. What holds the galaxy together
- 9. The red planet