Across
- 2. A huge collection of gas, dust and billions of stars in there solar system
- 5. Star at the middle of the solar system
- 6. A large object that orbits a star
- 7. A rocky terrestrial planet whose surface is covered by 70% water
- 8. Large objects made of dust and ice that orbit the sun
Down
- 1. Earth can ___ human life formss
- 3. Surrounds planets and holds Oxygen
- 4. planets Another name for the Four rocky planets
- 5. A massive celestial body of gas that shines radiation
- 9. Planets Another name for the gas gains