Across
- 3. divide the night sky into two hemispheres
- 6. the two dates when the Sun,on the ecliptic,crosses the celestial equator are around March 21 and September 22
- 7. positioned between the Sun and the Moon such that Earth cassts its shadow on the surface of the Moon
- 8. the planet we live on
- 10. the area beyond the earth
- 11. observed the sky and recorded changes and new events
- 13. a constellation that is always above the horizon
- 15. a disk-shaped collection of thousandsof small,icy bodies
Down
- 1. Motion three profound conclusions
- 2. for convenience
- 4. related to story telling,ceremonies,and life activities
- 5. well known across cultures
- 9. defined asthe distance from Earth to the Sun,which is 150 million km
- 12. the farthest known object
- 14. the heavenly body that revolves around the earth