Across
- 5. Was once a planet in our Solar System.
- 6. Eighth planet from the Sun.
- 8. Seventh planet from the Sun.
- 9. Fourth planet from the Sun.
Down
- 1. What lights up our sky at night.
- 2. Fifth planet from the Sun.
- 3. Sixth planet from the Sun.
- 4. Second planet from the Sun.
- 7. The planet we live on.
- 9. Smallest planet in our Solar System.
