The Universe

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Across
  1. 1. scatter plots of stars
  2. 7. day/night are 12 hrs each
  3. 8. hiding the light of an object
  4. 10. intrinsic brightness
  5. 12. getting smaler/dimmer
  6. 13. quality of light
  7. 15. shiny
  8. 17. celestial body made of rock and ice
  9. 18. large group of stars, gas and dust
  10. 19. where everything exists
Down
  1. 2. movement of one object around another
  2. 3. cycle of the moon
  3. 4. spinning around on a point
  4. 5. a straight line/point
  5. 6. pattern
  6. 9. divides the hemisphere
  7. 11. curved path of celestial object
  8. 14. very large
  9. 16. cloud of gas and dust