Across
- 3. this planet is so light, it could float in water
- 4. the path a planet takes around the sun
- 5. planet farthest from the sun
- 7. the planet nearest the sun
- 9. hottest planet in the solar system
Down
- 1. revolves around a planet
- 2. the biggest planet in the solar system
- 3. hot ball of gas
- 6. the planet with the most life forms
- 7. the planet with the nickname "The Red Planet"
- 8. the brightest object in the sky
- 10. the coldest planet in the solar system