Across
- 4. made of dust, trails the coma
- 6. comet collided into Jupiter
- 7. longest tail of comet recorded
- 8. made of rocks and metal
- 9. Made of ice and dust
- 10. smaller than asteroids
- 11. head of comet
Down
- 1. made of heating metals, behind coma
- 2. a path that lets a comet orbit the sun
- 3. the most famous comet, Edmund Halley
- 5. comet seen for 18 months
- 7. a path that makes a comet leave forever