Across
- 2. What type of people go up into space?
- 4. What is the "Milky Way?"
- 5. Furthest planet from the Sun.
- 8. A person who travels into the "unknown".
- 10. What's the closest planet to the Sun?
Down
- 1. What is the study of the stars called?
- 3. What do you need to see the Solar System up-close?
- 6. What's the biggest planet in our Solar System?
- 7. A vehicle used to launch satellites.
- 9. What planet do we live on?