Motions in our Solar System

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Across
  1. 3. The earth tilts directly away or toward the sun
  2. 4. Responsible for day and night
  3. 6. The wobble of the earth
  4. 7. Reason for the seasons
  5. 9. As the moon heads towards its New Moon phase
  6. 12. When day and night are the same length
  7. 15. When the moon appears to be getting more full
  8. 16. Direct shadow
  9. 18. Explained by Ptolemy's epicycles, better explained by Kepler(2 words)
  10. 19. Tides are caused by the moon's __________ as well as inertia
  11. 20. The tide caused when the sun is in line with the moon on either side of the earth
Down
  1. 1. Orbital shape
  2. 2. Orbital Radius is measured in ____________ (2 words)
  3. 5. The imaginary line that the Earth rotates around
  4. 6. The area of the Earth that sees a partial lunar eclipse is within this type of shadow cast by the moon
  5. 8. The type of eclipse caused by the shadow of the earth
  6. 10. When the Moon is perpendicular to the Sun, this tide occurs
  7. 11. Responsible for the time of year
  8. 13. The future north star
  9. 14. The type of eclipse caused by the shadow of the moon
  10. 17. The current north star