Across
- 2. steep cliff on a moon
- 4. giant planet like pluto
- 5. shower where the rocks fly through sky
- 7. streak of light
- 12. moon and sun across each other
- 13. motion a motion on a big body
- 14. a measure of how circular an orbit is.
- 16. a barricade between jupiter and mars
- 17. metallic hydrogen water on space
Down
- 1. affected by gas
- 3. unit length from the sun
- 6. planet where live is liveable
- 7. a fragment fallen from the sky
- 8. rock flying through space
- 9. belt where the end of the solar system rocks
- 10. planet round shape
- 11. where you can live
- 15. where the rocks fly fast