Across
- 3. our solar system is located in this galaxy
- 4. this planet is the smallest and fastest moving
- 6. this planet rotates on its axis in the opposite direction
- 9. this planet's name comes from words meaning 'the ground'
- 11. the first man on the moon was Neil _
- 13. one year on this planet is equivalent to 29 Earth years
- 14. it is at the centre of our solar system
Down
- 1. known as a dirty snowball
- 2. a device that relays communication, weather forecast and GPS navigation
- 5. this is the largest planet in our solar system
- 7. this planet is the most habitable after Earth
- 8. this planet is the only one name after an Ancient Greek God
- 10. means like star in ancient Greek
- 12. this causes tides and waves on Earth