Across
- 3. It’s the only planet that rotates on it’s side.
- 6. A small frozen mass with a shiny white tail that travels around the sun.
- 7. The path of a space object in its revolution around another.
- 9. This large gas planet has rings around it.
- 10. Any space object composed of rock and metal.
- 12. The most distant planet from the sun nearby to us.
- 13. This hot planet is closest to our sun.
- 14. A collection of millions of star systems.
- 16. This orangish planet is forth from our sun.
Down
- 1. Any asteroid that falls to earth.
- 2. This is the largest planet in our solar system and is made of mostly gases.
- 4. The name of our planet and the seven other planets nearby.
- 5. Person trained to travel in a spacecraft.
- 8. This object is very large and is a vacuum to everything including light.
- 11. This hot planet is the second planet from our sun.
- 13. The galaxy containing many solar systems including ours.
- 15. Space agency of the government.