SPACE

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Across
  1. 3. a flying vehicle that goes into space
  2. 5. a person who travels into space
  3. 7. a rock that orbits the earth at night
  4. 8. the force that pulls things down
Down
  1. 1. the largest planet in the Solar System
  2. 2. the path a planet takes around the Sun
  3. 4. the only planet where humans live
  4. 6. the big bright ball of fire in the sky
  5. 7. the red planet