Across
- 4. an object that moves around another object in space
- 5. planets that lie between the sun and asteroid belt-Mercury, Venus, earth, mars
- 7. certain path
- 8. a large object that moves around a star
- 9. the movement of one object around another space
- 10. a planet made out of most gases-the outer planet
Down
- 1. planets that lie on the outer side of the asteroid belt-Jupiter, Saturn, Uranus, Neptune
- 2. separates the inner and outer planets
- 3. Different shapes of the moon
- 6. the motion of a planet or other object as it turns on its axis
- 11. the imaginary line that runs through the center of the earth from the North Pole to South Pole