Across
- 1. Egyptian god
- 5. Material the planet is made of
- 6. Those who created this culture were the Japanese and Cherokee
- 7. theory atom exploted
- 8. inner layer of the earth
- 9. Galaxy where we live.
Down
- 2. Famous theory
- 3. Approximately earth age
- 4. Contains planets and the solar system.
- 5. to turn around repeatedly