Across
- 2. A layer of gases that protects us from harmful radiation!
- 5. A huge ball of plasma that gives heat to other planets!
- 6. A large, spherical rock that orbits planets.
- 8. Gas giant, biggest planet in our solar system!
Down
- 1. When a planet orbits around the Sun once.
- 3. Our very own home!
- 4. Sideways-rotating ice giant!
- 7. The star at the center of out solar system!