Across
- 3. This suffix means "having the shape of."
- 7. This type of planet is rocky and dense.
- 8. This word means the space between stars.
- 11. This prefix means "external" or "outside."
- 12. This belt lays beyond Neptune.
- 13. Solid particles in space.
Down
- 1. The first large gas planet to form.
- 2. This root word means "star."
- 4. This root word means "star" or "outer space."
- 5. Meteor fragments that reaches the ground.
- 6. This belt lays between Mars and Jupiter.
- 8. This prefix means "between."
- 9. This root word means "earth", "land", or "ground."
- 10. Icy body that releases gases while orbiting the sun.