Earth's Revolution

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Across
  1. 2. A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity
  2. 3. Range The difference between the levels of the ocean between high and low tides
  3. 5. Darkest shadow of the moon
  4. 6. Tides Occur when the Sun Earth and Moon are in a straight line. High tides are higher than normal and low tides are lower than normal
  5. 8. The spinning of Earth on its axis, one full rotation takes 24 hours
  6. 15. The day when the sun is directly above the equator, twice a year in March and September
  7. 16. Tide The water level that is lower than the average sea level
  8. 19. unit (AU) the average distance between the earth and the sun
  9. 21. Force The difference on the gravitational force of the Sun and Moon across the earth
  10. 23. 23.5 degrees, causes seasons
  11. 24. Imaginary vertical line around which Earth spins
  12. 25. Tide The water level that is higher than the average sea level
Down
  1. 1. Shape of Earth's orbit, elongated closed curve
  2. 4. Eclipse When the Earth is directly between the Sun and the Moon, causing a shadow of the Earth to be cast on the Moon
  3. 7. You see more than one half of the moon
  4. 9. The study of the moon, stars, and other objects in space
  5. 10. Lighter shadow of the moon
  6. 11. Eclipse When the moon is directly between the Earth and the Sun
  7. 12. You see less of the illuminated side of the moon
  8. 13. The motion of Earth orbiting the Sun, one full revolution takes 365.25 days
  9. 14. Phases Different forms that the moon appears to take
  10. 17. You see more of the illuminated side of the moon
  11. 18. Occurs when the Earth Sun and Moon are perfectly aligned
  12. 20. The day the sun reaches it greatest distance north or south of the equator, twice a year in June and December
  13. 22. Tides Occur when the Sun Earth and Moon are arranged in a right angle. There is less of a difference between high and low tides.