kuiper belt objects

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Across
  1. 2. orbits the sun every 271,000 days
  2. 4. is a transNeptunian dwarf planet with a large moon
  3. 8. a dwarf planet in the Kuiper belt
  4. 10. result for comets in the kuiper belt
  5. 11. the largest of Neptune's 13 moons
  6. 12. After Mars, it is the second reddest object in the solar system
  7. 14. about the same size as Pluto but is three times farther from the Sun
  8. 18. is one of the fastest rotating large objects in our solar system
  9. 20. It's a HUGE region of space beyond Neptune
  10. 21. has a mean radius of about 66.2 miles
  11. 22. comes from the Kuiper Belt
Down
  1. 1. VP113 an icy body with an orbit so big it never gets closer than 12 billion kilometers from the Sun!
  2. 3. was discovered on November 28, 2000, by Robert McMillan
  3. 5. which take less than 200 years to orbit the Sun
  4. 6. Ixion has a measured diameter of 710 km
  5. 7. was first discovered by a young research assistant in 1930
  6. 8. named after the creator god among the Tongva
  7. 9. discovered the kuiper belt
  8. 13. the mean distance between the center of the Earth and the center of the sun
  9. 15. hypothetical ninth planet in the outer region of the Solar System
  10. 16. may have has a mass about 10 times that of Earth and be similar in size to Uranus or Neptune
  11. 17. is the second-brightest object in the Kuiper Belt
  12. 19. largest object in the asteroid belt
  13. 21. its density is about 3.4 grams per cubic cm