Earth's Days,Years and Seasons

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Across
  1. 4. Period of time in daylight
  2. 6. Motion of a body travelling around another body in space
Down
  1. 1. Direction earth rotates as seen from the north pole
  2. 2. Spinning of a body on its own axis
  3. 3. Period of time in darkness
  4. 4. Time a planet takes to spin on its own axis
  5. 5. Time earth takes to complete a full revolution