Across
- 3. fourth planet from the sun
- 6. the smallest planet in the solar system
- 7. belt of asteroids between Mars and Jupiter giant star
- 8. a bright, large comet that was visible to the naked eye for a record-breaking 18 months in 1996 and 1997
- 9. the third planet from the sun
- 10. the 2nd planet to the sun
Down
- 1. the largest planet in the solar system
- 2. the 6th planet from the sun
- 4. the 8th planet from the sun
- 5. comet a famous comet known for its periodic return to the inner Solar System, appears every 72-80 years