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