1. What you have to wear to go out in space.
2. An animal or a life form.
3. Where Apollo 11 landed before the Russians.
4. The…Union was the competitor of the USA during the Cold War.
5. Our planet!
6. A green inhabitant of a planet in the solar system.
7. An object which is flying but no one knows what it is.
8. The opposite of "take off".
9. When it's down to zero, you float.