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