Across
- 2. The planet we live on.
- 4. It has many planets and stars inside.
- 6. These people are not from Earth.
- 7. You can use this to travel in space.
- 9. A cold rock moving through space. It has a tail.
Down
- 1. All of space. There are many galaxies inside.
- 3. A large round rock that moves around the sun.
- 5. A person who goes to space.
- 8. A grey rock that moves around the Earth. You can see it at night.