Across
- 2. the time it takes a planet to rotate once completely on its axis
- 5. 12 constellations that appear as images
- 7. Supplies light on earth
- 9. a scientist who studies space
- 12. object that orbits around a larger object
- 13. a spherical ball (roughly) of rock or gas that orbits around the sun
- 15. earth-like, rocky
- 16. A natural satellite that orbits earth
- 19. a adjective relating to the sky or space
Down
- 1. the largest planet in the solar system
- 3. the time it takes a planet to revolve once around the sun
- 4. a cluster of stars
- 6. a force that pulls objects together
- 8. full, dark shadow of an eclipse
- 10. the pathway a planet takes around a star or a moon, or artificial satellite that takes around a planet
- 11. a space rock that enters earth's atmosphere
- 14. a complete orbit around the sun
- 17. oval shape
- 18. latin for sun
- 20. 3 month periods that are caused due to earth's axis rotating