THE EARTH

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Across
  1. 3. the movement of the Earth around the Sun
  2. 5. the Earth ... on its axis
  3. 7. It takes 24 hours in the Earth
  4. 8. Our planet
Down
  1. 1. The Earth rotates on its ...
  2. 2. The satellite of the Earth
  3. 4. It´s dark because we cannot see the Sun
  4. 6. 8 planets orbit this star