Our Home Planet

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Across
  1. 2. the red planet
  2. 4. Aliens' vehicule
  3. 6. synonym of hope
  4. 7. our home planet
  5. 9. when you are alone, you feel...
  6. 10. outfit of astronauts
  7. 12. man who can go into space
Down
  1. 1. American agency for space programs
  2. 2. the little green men in space
  3. 3. you need it to drive in space
  4. 5. synonym of pionneer
  5. 6. synonym of repair
  6. 8. leave the ground
  7. 10. when you colonize another planet, you ... on it.
  8. 11. arrive on the ground