Across
- 3. falling rocks on earth
- 5. Icy planet.
- 6. Earth Satelite
- 8. giant star in the solar solar system
- 9. galaxy where we are.
- 10. Hot plannet in the solar system.
- 12. planet where life exists.
Down
- 1. he discovered moons and planets.
- 2. smallest planet in the solar system.
- 4. second largest planet in the solar system.
- 7. substance that exists only on Earth.
- 11. fourth planet of the solar system