Astronomy Crossword Puzzle

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Across
  1. 2. scientific study of celestial objects
  2. 3. regions of the sky
  3. 4. consists of a telescope and a mirror
  4. 8. parallels of latitude
  5. 10. center of mass of two or more bodies that orbit one another
  6. 14. when the Sun stands still
  7. 15. between daylight and darkness
  8. 16. space ranger superhero
  9. 17. a moment in time
  10. 18. wobbling motion
  11. 19. moving in the opposite direction
  12. 22. point directly beneath the observer
  13. 24. September equinox
  14. 25. closest approach to the earth
  15. 26. star crosses the local meridian
  16. 28. two extreme points in the orbit of a planetary body about its primary body
  17. 29. imaginary belt around the heavens
Down
  1. 1. the bending of light
  2. 2. pattern of stars
  3. 5. when the parallactic angle is a right angle
  4. 6. discovered the aberration of starlight
  5. 7. reveals the corona
  6. 9. study of position and movements of celestial bodies
  7. 11. astronomical almanacs
  8. 12. north polar distance
  9. 13. rotation of the Earth on its axis
  10. 20. 206,265 astronomical units
  11. 21. Sun's apparent yearly path
  12. 23. equal night
  13. 27. pedestal of a sundial
  14. 30. angle between the celestial equator and the ecliptic