Across
- 4. Without the help of a telescope
- 5. Impressive, unbelievable
- 6. A planet that is still changing
- 7. The sun and all the planets around it
- 9. Generate
- 10. Get to
Down
- 1. A planet’s layer of air/gases around it
- 2. Centre made up of rock
- 3. Cloudless night
- 8. Extend; open out