Space crossword puzzle

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Across
  1. 2. what earth does around the sun
  2. 5. what earth has least of on it
  3. 6. this is what earth mostly has on it
  4. 8. what earth is
  5. 10. what gives us light
Down
  1. 1. what we use to show what is on earth
  2. 3. what earth's nickname is
  3. 4. what we live on
  4. 7. the shape of earth
  5. 9. the name of earths moon