Sun-Earth-Moon System

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Across
  1. 3. The elongated closed curve of Earth's orbit
  2. 5. The Earth spins along this imaginary vertical line
  3. 7. This solstice occurs June 21 or 22
  4. 10. This equinox occurs on March 20 or 22
  5. 11. This causes the Earth to have day and night
  6. 12. This solstice occurs December 21 or 22
  7. 14. You get more of this when your is tilted toward the sun
Down
  1. 1. The Earth's tilt causes the Sun's radiation
  2. 2. Earth's yearly orbit around the Sun
  3. 4. This equinox occurs on September 22 or 23
  4. 6. The Earth is this shape
  5. 8. The day when the Sun is directly over Earth's equator
  6. 9. When the Sun is at its greatest distance north or south of the equator
  7. 10. This is not the center of the ellipse
  8. 13. This causes the Earth's seasons.