Across
- 2. something in 360 degrees
- 7. plane a circle on the same as the planes.
- 8. sphere an imaginary sphere of an investigation
- 10. a session or time
- 12. when day and night time are the same duration
- 13. apsis
- 14. an instrument for direction
- 18. a round vault
- 19. a measurement of a sphere
- 21. a period of a turning axis
- 22. a the opposite of north
Down
- 1. a point or least greatest in body
- 3. a turn
- 4. day a time between meridian transits and the sun
- 5. orientation of a rotational axis
- 6. the line that goes horizontally in an east to west direction
- 9. an event twice a year
- 11. a half imaginary line
- 15. meridian of or pertaining to afternoon
- 16. a a direction easterly
- 17. a curve on a plane
- 20. a very small rotation
- 21. a straight direction