Across
- 3. When several types of meteors enter Earth's atmosphere
- 6. A comet's orbit
- 7. A meteor before it enters the Earth's atmosphere
- 9. The path a planet takes around the sun
- 11. Celestial object that gives off light and heat
- 12. An area of space beyond the orbit of Neptune
- 13. System of celestial objects bound by gravity
- 15. When an asteroid crashes into another object
Down
- 1. The first planet
- 2. A cloud of icy planetesimals that exist 50,000 AU from the SUn
- 3. A meteor that collides with Earth
- 4. Also referred to as "dirty snowballs"
- 5. Most famous dwarf planet
- 7. Small, rocky, object
- 8. The pull
- 10. A small object that orbits the sun.
- 14. The Earth has one of these