Across
- 2. Uranus and Neptune
- 3. A huge collection of gasses and stars held together by gravity
- 5. Jupiter,Saturn,Uranus, or Neptune
- 7. To rotate around
- 9. Oxygen and nitrogen around the Earth
Down
- 1. light coming from the sun
- 4. A region of space between the orbits
- 6. The biggest star
- 8. How many planets are there
- 10. A big star that provides light and heat
- 11. 71% of its surface is covered in water