Across
- 3. System The sun and all of the objects that orbit around the sun
- 5. This body orbits around the Earth but it does not rotate
- 7. This is the last of the gas planets and the furthest planet from the sun
- 8. Planets These planets have a solid surface made of rock
- 10. The biggest planet in the Solar System
- 14. This is the imaginary line that runs and south that the Earth rotates on
- 15. This is the smallest planet in our Solar System
- 16. This planet has the most rings
- 17. small, frozen mass of dust and gas revolving around the sun
Down
- 1. This planet has toxic carbon dioxide in it's atmosphere which makes it impossible for humans to survive in
- 2. Large, round bodies in outer space that revolve around a star
- 4. These bodies are sometimes called shooting stars when they enter the Earth's atmosphere
- 6. Year This is how long it takes the Earth to revolve around the Sun
- 9. Chunks of rock and metal in orbit around the sun
- 11. This planet is sometimes called the topsy-turvy planet because it spins on its side
- 12. This planet has a very thin atmosphere which makes it very, very cold
- 13. Planets These planets have no hard surface
- 18. 2/3 of this planet's surface is covered with water