SPACE

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Across
  1. 5. Used to look at the sky
  2. 6. The name for the people in space
Down
  1. 1. The border between the Earth's atmosphere and space
  2. 2. Name of the once-planet outside of our solar system
  3. 3. The smaller, red planet outside of the asteroid belt
  4. 4. Used to get people/objects into space
  5. 7. The big, ringed planet in the outer half of our system