Astronomy Quiz Review

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Across
  1. 1. center of rotation in the north
  2. 4. great circle passing through your zenith and north and south points on your horizon
  3. 5. learned to navigate by the stars for hundreds of years
  4. 8. all points 90 degrees from the zenith
  5. 10. instruments developed by Islamic scholars to observe the angles of the sun and stars
  6. 14. the apparent shifting of positions due to different distances from the observer
  7. 15. Line passing through zenith and connecting north and south points on the horizon
  8. 16. the point directly overhead
  9. 17. catalogued stars according to apparent magnitude
  10. 21. center of rotation in the south
  11. 22. created a calendar based on Venus
  12. 24. the earth rotates around this in 24 hours
  13. 25. the daily paths that stars appear to move around the celestial poles when observed from the spinning earth
  14. 26. The study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs and the natural world.
  15. 29. the distance light travels in one year
  16. 30. the north star
  17. 31. popular unofficial star patterns
  18. 34. the study of the cosmos, the structure and origin of the universe
  19. 36. distance measured eastward or westward along the celestial equator from the zero point (vernal equinox)
  20. 37. the change in appearance of the sky with the seasons is due to the Earth's revolution around the Sun
  21. 38. correlated the motion of the star Sirius to the flooding of the nile
  22. 39. star in constellation Orion that fluctuated in brightness recently
  23. 41. constellation with the big dipper in it
Down
  1. 2. the apparent path of the sun against the background of stars
  2. 3. angular distance above or below the celestial equator
  3. 6. earths axis wobble over 26,000 years
  4. 7. stars that never set in the northern hemisphere
  5. 9. The next closest star to the solar system
  6. 11. group of stars the Navajo people used to mark the seasons
  7. 12. the point directly below
  8. 13. the apparent globe around earth which all stars and planets are projected on
  9. 18. constellation with the little dipper in it
  10. 19. stars that appear to belong to groups that form recognizable patterns in the sky
  11. 20. the average distance between the Earth and the Sun.
  12. 23. The branch of science which deals with celestial objects, space, and the physical universe as a whole
  13. 27. stars that never set in the southern hemisphere
  14. 28. calculated in the size of the earth in 200BCE
  15. 32. Closest star to Earth
  16. 33. a system for writing large and small numbers
  17. 35. stars the big dipper that point to Polaris
  18. 40. largest constellation