Across
- 3. the bottom half of Earth and the celestial plane
- 6. when the sun reaches its maximum or minimum declination (happens twice a year)
- 7. the slant of Earth's axis
- 8. four natural weathers of the year
- 11. the movement of one object around another object
Down
- 1. a period of time when daylight occurs
- 2. a path that is curved and is followed by a satellite while it revolves around an object
- 4. the top half of Earth and the celestial plane
- 5. an imaginary line that divides Earth into northern and southern hemispheres
- 9. an imaginary line through Earth that goes through the north and south poles
- 10. the spinning of an object on its axis
- 12. when day and night are equal (happens twice a year)