Across
- 4. a moment in time
- 6. equal night
- 8. north polar distance
- 9. study of position and movements of celestial bodies
- 12. astronomical almanacs
- 14. point directly beneath the observer
- 16. April 8, 2020, 10:35 am PST
- 17. parallels of latitude
- 18. star crosses the local meridian
- 20. imaginary belt around the heavens
Down
- 1. angle between the celestial equator and the ecliptic
- 2. two extreme points in the orbit of a planetary body about its primary body
- 3. regions of the sky
- 5. wobble motion
- 7. pattern of stars
- 10. diurnal rotation of the Earth on its axis
- 11. scientific study of celestial objects
- 13. 206,265 astronomical units
- 15. pedestal of a sundial
- 19. sun stands still