Across
- 3. solid inner core of a comet
- 5. cloud stretches out more than a thousand times the distance between the sun and neptune.
- 10. can leave craters
- 11. dwarf planet that orbits beyond neptune is also called
- 12. loose collections of ice
Down
- 1. generally less than 10 meters across
- 2. rocky objects
- 4. energy of gas
- 6. belt which exstends to about 100 times earths distance from the sun
- 7. dwarf planets new category called
- 8. showers when earth passes through an area with many meteoroids
- 9. for many years blank was considered a planet