Across
- 2. System – The Sun and everything that orbits it
- 6. Comet – Comet that orbits the Sun in less than 200 years
- 9. Belt – Region beyond Neptune filled with icy objects
- 11. Tail – Gas tail of a comet that points away from the Sun
- 12. – The path an object takes around another object
- 13. Orbit – An oval-shaped path around the Sun
- 14. – Icy object that forms a glowing tail when near the Sun
- 16. – A streak of light seen when space debris burns in Earth’s atmosphere
- 18. – A small piece of rock traveling through space
- 19. Tail – Tail made of small solid particles
Down
- 1. Comet – Comet that takes more than 200 years to orbit
- 3. – The solid center of a comet
- 4. – Force that pulls objects toward each other
- 5. – A meteoroid that reaches Earth’s surface
- 7. Cloud – Distant spherical cloud where long-period comets come from
- 8. Object – Asteroid or comet that passes close to Earth
- 10. – Rocky object mostly found between Mars and Jupiter
- 15. – Leftover material from space collisions
- 17. Crater – Bowl-shaped hole formed by a collision
- 20. – The glowing trail of gas and dust from a comet