Across
- 1. a celestial object that orbits a planet
- 4. the terrestrial planet ranges in thickness
- 6. Roman god of war
- 8. largest inner planet
- 9. Hottest planet
- 10. moved repeatedly around
Down
- 2. planets farther from sun
- 3. has almost No atmosphere
- 5. like the earth in some ways
- 7. planets Mercury Venus earth mars
