Across
- 3. The unit scientists use to measure distance in the space
- 6. A smaller version of something showing real distances
- 7. The amount of space between two objects
- 9. The farther planet from the Sun
Down
- 1. The path an object follows around another object in space
- 2. The Sun and everything that orbits it
- 4. The star at the centre of our solar system
- 5. A large object that orbits a star
- 8. The third planet from the Sun