Across
- 4. Small objects that orbit the Sun, and are too small to be called planets or have an irregular shape
- 5. Made of dust from disintegrating nucleus, this tail is pointing the same direction as the gas tail
- 7. A meteor once it has made its way to the surface of Earth
- 10. dirty snowball
- 12. Small, rocky objects from space that is heated up as it enters Earth's atmosphere
- 13. made of gases always points away from the sun
- 15. When several meteors enter Earth's atmosphere at one time
Down
- 1. A cloud of icy planetesimals
- 2. Before a meteor enters Earth's atmosphere
- 3. a famous comet that passes Earth's orbit every 76 years
- 6. objects that orbit the Sun at a farther distance than Neptune
- 8. An area of space beyond the orbit of Neptune
- 9. Composed of rock, dust, ice and frozen gases such as carbon monoxide, carbon dioxide, methane, and ammonia
- 11. The most visible part of a comet
- 14. The Kuiper Belt and Oort Cloud are located here
