Space puzzle

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Across
  1. 1. Latest Nasa Rover
  2. 3. Colonized planet
  3. 4. Tourism Space x is starting it
  4. 6. Closest planet to the sun
  5. 9. Name of the first mission after landing on the moon
  6. 10. twinkle in the sky
Down
  1. 2. main engine of space shuttle
  2. 5. Dwarf planet
  3. 7. First To Space
  4. 8. Lot's of country's work together on it