Other Members of the Solar System

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Across
  1. 3. classified as a dwarf planet since 2006
  2. 5. an area of space beyond Neptune's orbit containing small rocks thought to be remnants from the formation of the Solar System
  3. 7. made up of the Kuiper Belt and the Oort Cloud
  4. 9. the largest planet in the Solar System
  5. 10. the closest planet to the sun
  6. 12. a celestial body that lies in the _______ belt between Mars and Jupiter
  7. 15. a cloud of icy planetesimals that exists 50,000 AU from the sun
  8. 18. an abbreviation of objects that orbit the sun at a farther distance than Neptune
  9. 19. the distance in which a ray of light would travel in one year
  10. 20. the farthest planet from the sun
  11. 22. the planet famous for its rings
  12. 23. small celestial bodies living in the Kuiper belt that may have existed since the birth of the Solar System
  13. 26. a celestial body of gas; the category our sun is in
Down
  1. 1. a celestial body that is in orbit around the Sun
  2. 2. the hottest planet in the Solar System
  3. 4. the four planets closest to the sun with rocky cores
  4. 6. celestial objects that do not belong into the category of a planet or moon
  5. 8. the collection of eight planets and their moons around the sun
  6. 11. known as "the red planet"
  7. 13. the four outer planets in the Solar System with gaseous bodies and rings
  8. 14. nicknamed "dirty snowballs", it is composed of an icy, rocky core with two tails that point away from the sun
  9. 16. the planet that spins on its side
  10. 17. a small, rocky object that is heated up as it enters the Earth's atmosphere
  11. 21. the planet located in the habitable zone
  12. 24. 4.5 billion-year-old yellow dwarf star that is the center of the Solar System
  13. 25. an object that orbits another celestial object