Across
- 4. Name of one of Mars moons (starts with a P)
- 5. Only planet capable of sustaining life
- 7. Closest planet to the sun
- 9. How many moons does Mars have
- 10. Looks like it's rolling
- 11. Earth's twin
Down
- 1. Used to be a planet, now a dwarf planet
- 2. The biggest planet
- 3. Does a planet produce their own light
- 6. The Red Planet
- 7. What gives Neptune and Uranus their bluish colour
- 8. Planet with longest period of rotation