Across
- 3. A large system of stars
- 5. Planet with the most moons
- 8. Which planet has a six-sided jet stream?
- 9. How many layers does Earth have?
Down
- 1. What kind of planet is Pluto?
- 2. The sun is primarily made up of...
- 4. Furthest planet from the sun
- 5. The name for the last four, gaseous planets in the Solar System
- 6. 70% of Earth's surface is...
- 7. The center of the Solar System