Across
- 2. the ______ system
- 4. the month that Halley's comet will visit Earth in 2061/
- 5. comets are much larger when in this state of matter
- 7. the Kuiper belt is found after this planet
- 10. type of comets that come from the Kuiper Belt
- 11. the female astrologer that discovered the Kuiper Belt
Down
- 1. people who study stars and comets
- 3. there are eight in our solar system
- 6. National Aeronautics and Space Administration
- 8. before the Kuiper belt was discovered, it was _______.
- 9. type of comets that come from the Oort Cloud