Across
- 3. what planet other than mercury has no moon
- 8. What planet is made of mostly ice and rock
- 9. What is the largest planet
Down
- 1. this planet is often referred to as the red planet
- 2. what is the planet closest to the sun
- 4. What planet has been downgraded to a dwarf planet
- 5. What planet is the coldest planet
- 6. what is the only planet with rings
- 7. what planet is made up of 70% water