Solar System

3. Area of space beyond neptune which contains small rocky bodies
7. The name for a meteor before it enters Earth’s atmosphere
10. Objects that orbit the sun at a farther distance than Neptune
12. Almost all asteroids lack an _______
16. The orbit of a comet is not circular, but more oval, in the shape of an _______
18. Has two parts: the Kuiper belt and the Oort cloud
19. The most famous Dwarf planet

1. This famous comet passes Earth's orbit every 76 years
2. Small rocky objects from space that are heated as they enter Earth’s atmosphere
4. The term for the center of a comet
5. The most visible part of a comet that surrounds the nucleus
6. A type of comet tail that is made of disintegrating dust from the nucleus
8. When several meteors enter Earth’s atmosphere at the same time
9. A cloud of icy planetesimals the orbit the sun farther than Neptune
11. The asteroid belt lies between Mars and ______
13. Once a meteor has collided with the Earth it is called a _______
14. Objects that orbit the sun but are too small to be considered planets and are not spherical
15. These celestial objects are commonly referred to as “dirty snowballs”
17. A type of comet tail that is made of evaporated gases from the nucleus