Across
- 4. The planet we live on
- 6. A person who's job it is to go to space
- 8. Someone from outer space
- 10. What can we see at night?
Down
- 1. Mars' ground looks r____?
- 2. A type of alien people think live on Mars
- 3. What do we use to travel to the moon? A space ____?
- 5. What star makes Earth hot?
- 7. The organisation in America that runs space travel
- 9. Is Mars warm or cold?