Space

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Across
  1. 3. an invisible force that keeps us from floating
  2. 5. protective clothing that astronauts wear
  3. 6. rocks from outer space
  4. 7. biggest planet in the solar system
Down
  1. 1. a creature that is not from earth
  2. 2. used to send signals to our tv
  3. 4. to study something scientifically
  4. 5. the centre of our solar system