Across
- 2. system what our planets are in
- 4. biggest planet in our solar system
- 5. made out of rocks
- 6. things you see at night
- 8. used to be a planet
- 9. what keeps you alive
Down
- 1. things high up
- 3. very bright
- 5. smallest planet in our solar system
- 7. robots that go onto planets instead of people and record what happens and the sound of it in space