space

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Across
  1. 3. an object (such as a moon) that moves around a much larger planet
  2. 4. all humans considered as a group
  3. 5. an area where people have never lived before, that not much is known about
Down
  1. 1. the force that causes things to fall towards the Earth
  2. 2. a machine that is used to carry people or goods from one place to another
  3. 3. a vehicle that is used for travel in outer space