Across
- 2. when several meteors enter the Earth's atmosphere at one time
- 7. when an asteroid travels and crashes into another solar object
- 9. once the meteor has made its way to the Earth's surface and collided, it is a..
- 11. wide, curved and consists of gas and dust
- 13. most visible part of a comet
- 14. small, rocky object from space before it enters Earth's atmosphere
Down
- 1. center of a comet
- 3. passes Earth's orbit every 76 years
- 4. an area of space beyond the orbit of Neptune
- 5. a cloud of icy planetesimals surrounding the sun
- 6. small, rocky object from space that is heated up as it enters the Earth's atmosphere
- 8. thin, blue and linear (the result of ultraviolet radiation ejecting electrons off particles)
- 10. most famous dwarf planet
- 12. lies in the asteroid belt between Mars and Jupiter
- 13. referred to as "dirty snowballs"