Across
- 1. Is in the sky at night
- 3. The sixth planet from the sun
- 4. The star at the centre of the universe
- 7. A person who uses a spaceship to get into space
- 8. Rocks which are found in orbit
Down
- 1. The smallest planet
- 2. Largest planet in the solar system
- 5. The planet humans live on
- 6. Forth planet from the sun
- 8. Visitor from space