Across
- 4. Eighth most distant from sun
- 5. Planet with rings around it
- 7. Smallest planet in solar system
- 8. Known as the Red Planet
- 9. Downgraded to dwarf planet
Down
- 1. Between Earth and Mercury
- 2. Largest planet in solar system
- 3. Star at centre of solar system
- 6. Rotates on its side
- 8. Orbits the Earth