Across
- 2. planets closest to the sun
- 4. large body of rock or gas that revolves around a star
- 5. planets farthest from the sun
- 6. the sun and the objects that move around it
- 10. inner planets are made of ______
Down
- 1. number of planets in our solar system
- 3. the planet with the longest orbit
- 7. the path a revolving object follows
- 8. how planets move in space
- 9. the planet with the shortest orbit