Across
- 6. the biggest planet
- 9. someone who travels space
- 10. a place in space that light can not escape from
- 11. The zone around the planet with no air
- 12. way the galaxy that includes our solar system
- 13. a system of stars
- 14. the path and movement of a planet
Down
- 1. rocks soaring in space
- 2. no longer a planet
- 3. everything in space makes up of
- 4. dust thrown by dying star
- 5. a body of mass that travels around the sun
- 7. a group of stars that form a pattern
- 8. burning ball of gas
- 9. an extraterrestrial creature