Across
- 3. Planet discovered by William Herschel
- 7. The name of the third moon of Pluto
- 8. Sometimes called the 'Blue Planet' because 71% is covered in water
- 9. Planet named after the Roman goddess of love and beauty
- 12. The second largest moon of Jupiter
- 13. The planet with the rings
- 14. The largest planet
Down
- 1. The name the ancient Greeks called the Sun
- 2. The surname of the first human to journey into outer space
- 4. A celestial object often with a tail
- 5. Surname of the first man to stand on the Moon
- 6. Surname of the UK astronaut who spent 186 days on the space station
- 10. The planet discovered by Johann Gottfried Galle
- 11. The fourth planet from the Sun