Across
- 2. doughnut-shaped ring of icy objects around sun
- 4. belt torus-shaped region in the Solar System,
- 6. cosmic snowballs of frozen gases, rock and dust
- 9. large rock orbiting between Mars and Jupiter
- 10. cloud Both regions lie beyond the heliosphere and in interstellar space
Down
- 1. meteor if it entered the earth's atmosphere.
- 3. passage through the earth's atmosphere hit grow
- 5. ice starts to melt off along with particles of dust
- 7. outer space that enters the earth's atmosphere
- 8. tail when a comet passes through the inner Solar System