Across
- 3. huge cluster of stars
- 4. Blue planet
- 8. layer of life
- 10. rocky layer
- 12. metallic body
- 13. millions of galaxies
- 14. nearest star to the Earth
Down
- 1. air blanket
- 2. water layer
- 5. deleted planet
- 6. celestial body with head and tail
- 7. Earth like shape
- 9. small rocky object
- 11. Earth's twin
- 12. natural satellite of the Earth