Across
- 2. Where is the sun in this solar system
- 6. Held together because of the sun's gravity
- 7. The movement around the sun
- 8. The weight the sun holds
- 9. Small balls of plasma which are spheres
Down
- 1. The reason why planets are spheres
- 3. What we believe our planets formed on
- 4. Spherical balls of rock and ice
- 5. Are not spheres because they are cold and small