Across
- 2. a planet that is a mystery in a different orbit to the other planets
- 4. was a planet but now is not
- 5. the closest to the sun
- 7. the second largest planet
- 8. the one that burns
- 9. in between mercury and earth
Down
- 1. the biggest planet
- 3. where we live
- 5. makes it's own gas
- 6. it is called a 'ice giant'