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