John Mark

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Across
  1. 2. Ancient astronomers often associated with it with a specific constellation
  2. 5. Also called as "guest star"
  3. 9. Position of stars and constellation shift due yo ___ precision
  4. 10. It is the triangular glow of sunlight scattered
  5. 11. Other call for Supernovae
  6. 14. Comets, with their ___ tails, were observed
  7. 15. Often interpreted the appearance of it as omens
  8. 16. Changing position of the sun through out the year
  9. 20. Earth casting a shadow on the moon
Down
  1. 1. The planet that are visible, also known as morning star
  2. 3. Meaning of omens
  3. 4. Ancient astronomers, such as ___, were aware of this slow, cyclical motion
  4. 6. Often interpreted the appearance of comets
  5. 7. Other call for Bright stars and visible planets that were distinguished from the fixed star
  6. 8. Solar and lunar eclipse were well documented by ancient ___
  7. 12. This ___ served various cultural, navigational and story telling purposes
  8. 13. ___ have been identifying patterns of stars and creating constellation
  9. 17. Moon passing in front of the sun
  10. 18. Backward movements of the planet
  11. 19. Ancient cultures developed ___ based in celestial events