Across
- 3. object built of solid particles that can form planets through collisions
- 6. lies outside the orbit of Neptune: where small solar system bodies made of rock and ice form
- 11. When a meteoroid survives a trip through the atmosphere and hits the ground
- 12. planets closest to the sun
- 13. piece of material that falls into earths atmosphere
- 14. when earth enters a cometary orbit
- 15. the ratio of the foci distance and length of major axis
- 16. dark colored cloud that sink and flows rapidly
- 17. hydrogen with liquid and metallic properties
Down
- 1. large gaseous planet that has rings,moons,and lack solid surface
- 2. has not cleared its path of debris
- 4. an oval centered on foci
- 5. made of rock and ice: one or more tails
- 7. a line made by erosion or faulting
- 8. light colored cloud that floats and flows rapidly
- 9. when a planet moves backwards
- 10. the distance between sun and earth
- 11. streak of light when meteoroid enters earths atmosphere