Across
- 2. Another name for gas giants.
- 5. Is made up of gases that surround it.
- 6. Spinning around something repeatedly.
- 10. Thinnest atmosphere,shortest orbit.
- 11. The only star in our solar system.
Down
- 1. Known as the red planet.
- 3. The 4 planets further from the Sun.
- 4. Like Earth.
- 7. The 4 planets closest to the Sun.
- 8. The only planet with known life.
- 9. The hottest planet in our solar system.
- 10. An object in space that orbits around a planet.
