Space Crossword

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Across
  1. 4. You fly in one of these
  2. 5. Second planet away from the sun
  3. 7. The fourth planet away from the sun
  4. 8. The planet we live on
Down
  1. 1. The bright lights in the sky
  2. 2. The planet closest to the sun
  3. 3. The galaxy Earth is in
  4. 4. All the planets orbit around this
  5. 6. The smallest planet
  6. 7. It orbits the earth