Across
- 2. The earth is rotating around the sun for 365 .
- 4. The sun is one of the many .
- 8. This is the 3 planet.
- 10. This is the first planet.
- 11. This is the 9 planet.
- 13. People think that the sun would die but it would keep on living for 50 billion .
- 14. This is the second planet.
- 16. The earth is rotating .
- 17. The sun is like a big ball of and gas.
- 18. The earth is mostly covered with .
Down
- 1. This is the 5 planet.
- 3. The sun is very very hot and very .
- 4. This is the 7 planet.
- 5. Neptune has .
- 6. Mars is .
- 7. This is the 6 planet.
- 9. The fastest goes 25 km per second.
- 12. This is the 8 planet.
- 15. This is the 4 planet.
