Across
- 2. They are irregular in shape
- 4. They have billions of stars
- 6. They have a rocky surface
- 7. The group of planets that has many moons
- 9. They have long tails
Down
- 1. They are very fast
- 3. They are spherical
- 5. The group of planets that do have rings
- 6. It is our galaxy
- 8. They are very bright
