Motions of the earth

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Across
  1. 2. The movement of the Earth in its own orbit.
  2. 5. Closest to the sun.
  3. 6. The layer of the Earth made up of rocks and soil.
  4. 8. A year consisting of 366 days.
  5. 11. The movement of the Earth around the sun.
Down
  1. 1. The layer of the Earth with all three components.
  2. 3. The layer of the Earth with air.
  3. 4. Either of the two times of the Earth.
  4. 7. The layer of the Earth consisting of water.
  5. 9. Farthest from the sun.
  6. 10. The time of a year when a day and night have equal length.