Astronomy

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Across
  1. 2. how long it takes to spin
  2. 3. North Star
  3. 7. shape of the orbits
  4. 9. motion around the Sun
  5. 10. Occurs when only half of the moon is visible
  6. 13. Orbit
  7. 14. our star
  8. 15. More light than dark
  9. 16. Like Earth
  10. 18. Entire 50% of the moon is visible
  11. 19. Star makes energy
  12. 20. 3rd planet from the Sun
  13. 22. Planet with the fastest revolution
  14. 25. eclipse of the Sun
  15. 27. spins
  16. 28. created 3 laws of planetary motion
  17. 29. Around Polaris
  18. 30. how much of the Moon we can see
Down
  1. 1. explosion
  2. 2. Red shift
  3. 4. massive star
  4. 5. Earth centered model
  5. 6. Beginning of the universe
  6. 8. eclipse of the moon
  7. 11. Sun centered model
  8. 12. pattern stars make in the sky
  9. 17. flat or round orbit
  10. 21. "fingerprint" of energy or light
  11. 23. how long it takes to orbit
  12. 24. crest to crest
  13. 26. Like Jupiter