Across
- 2. Solar feature
- 4. Type of year when an extra day is added
- 5. Name given to several lunar missions
- 8. Longest and shortest days
- 10. These include full, new and gibbous
- 12. Atmosphere light display caused by solar wind
- 13. Caused by the Moon attracting the Earth's oceans
- 15. Fuel of the sun
- 16. Planet that has several similarities to Earth
Down
- 1. Object found in space
- 3. The eighth planet
- 5. Imaginary line joining the north and south pole
- 6. Largest planet
- 7. closest planet to the sun
- 8. second largest planet in the solar system
- 9. Occurs when the Moon passes into the shadow of the Earth
- 11. At the centre of the solar system
- 14. Time taken for the planet to rotate once