Across
- 1. 24 hours
- 3. 365 days
- 4. spherical rock or gass giant
- 6. imaganary line on the earth
- 8. the large planets in the outer solar system
- 9. ball of ice
- 11. model of the universe with earth at its centre
- 13. relating to the sky or space
- 15. model of the universe with the sun at thecentre
Down
- 2. satilates placed in orbit by humans
- 5. the earths tilt
- 7. a scienetist who studys space
- 10. time taken for the earth to rotate the sun
- 12. oval shaped
- 14. full dark shadow of the ellipse