Across
- 2. - "Name of the first artificial satellite"
- 5. - "Planet with the most rings"
- 6. - "Space station where astronauts live and work"
- 8. - "First person to walk on the moon"
Down
- 1. - "Galaxy we live in"
- 3. - "The hottest planet in our solar system"
- 4. - "The biggest planet in our solar system"
- 7. - "Planet known for its extreme tilt"
- 9. - "The planet known as the 'Red Planet'"