Across
- 4. small rocks that orbit the sun
- 6. giant circle around the sun
- 7. meteor that hits Earth's surface
- 9. small iceball
Down
- 1. gas surrounding Earth and other planets
- 2. area of comets between Jupiter and Mars
- 3. to break up
- 5. path of movement
- 7. streak of light
- 8. tail point away from the sun