Across
- 2. biggest galaxy in the world
- 4. first person to land in moon
- 5. hottest planet in the solar system
- 6. the Star of the solar system
- 9. biggest mountain in the solar system
- 10. used to be a planet but was removed in 2006
Down
- 1. when a star collapses
- 3. has the biggest rings in he solar system
- 7. coldest planet in the world
- 8. biggest planet in the solar system