Space

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Across
  1. 2. first month of summer
  2. 3. not a human who live in space
  3. 6. the closest planet to Sun
  4. 8. system system of the Sun and our planets
  5. 10. a person who travell in a space ship into space
  6. 12. one name for a collection of millions of stars
Down
  1. 1. the biggest planet
  2. 4. the hottest planet
  3. 5. the star which looks like it is falling down on the sky
  4. 7. the red planet
  5. 9. our closest star
  6. 11. surname of first man in space