Across
- 2. the orbit path a planet takes of every planet is an ellipse
- 6. earth spinning on its axis
- 8. over 14000 years our axis tilt changes direction
- 10. "wobble" or shaking of the axis to maintain its 23.5 tilt during percession
Down
- 1. earth moves around the sun
- 3. the sun crosses the celestial equator when day and night are of approximately equal length
- 4. seeing less of the moon
- 5. seeing more of the moon
- 7. cloud of dust and gas
- 9. the time or date (twice each year) at which the sun reaches its maximum or minimum declination, marked by the longest and shortest days (between June 21 and December 22)