Across
- 1. The term that encompasses Pluto, Haumea, Makemake, Ceres, and Eris
- 3. A moon of Mars that is slowly drifting into Mars
- 6. A planet out side of the Solar System
- 7. The brightest star in the night sky
- 8. The largest planet in the Solar System
- 10. ____'s Comet — it comes around once
Down
- 2. The constellation where the Solar System is headed
- 4. The term used by astronomers to describe a rocky planet larger than Earth
- 5. The only Solar System planet whose day is longer than their year
- 9. The innermost Galilean moon of Jupiter