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