Space

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Across
  1. 2. It's round but not a planet. We can see it at night.
  2. 4. A man working in space.
  3. 5. Not a car, not a plane. We travel by it in space.
Down
  1. 1. There are eight of this in the solar system. One of them is our home.
  2. 3. The sun is a ...
  3. 4. A green man living in space.