Across
- 2. The planet known as the 'Red Planet'.
- 4. To turn around a center point.
- 5. People who travel in spacecraft in outer space.
- 7. The dwarf planet.
- 8. The hottest planet in the Solar System.
- 9. The planet that has a beautiful set of rings around it.
- 11. In 1969 man walked here fore the first time.
- 12. The planet that has constant strong wind storms.
- 14. The biggest planet in the Solar System.
- 16. The one we live in is called the Milky Way.
- 17. The movement of the planets around the Sun.
- 19. To do with the Sun.
Down
- 1. The closest planet to the Sun.
- 3. Balls of hot gases that shine in the night sky.
- 5. All the gases that surround a star or planet.
- 6. The huge space that contains all the matter in existence.
- 10. The planet 7th furthest from the Sun.
- 11. Commonly known as 'shooting stars' due the visible streak of light.
- 13. The only known planet where humans can survive.
- 15. The bodies that orbit the Sun.
- 18. The time it takes the Earth to travel around the Sun.