Our Solar System

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Across
  1. 3. "dirty snowballs" orbiting the sun with tails
  2. 6. the hottest planet
  3. 8. measurement representing the distance from Earth to our sun
  4. 9. the planet closest to our sun
  5. 10. the scientist that developed 3 Laws of Planetary Motion
  6. 13. the gas giant with the most visible rings
  7. 17. the planet with the highest gravitational force
  8. 18. the dwarf planet discovered in 2005
  9. 19. type of transverse wave that travels quickly in space
Down
  1. 1. burning meteoroids that have entered Earth's atmosphere
  2. 2. meteoroids that have crashed into Earth
  3. 4. the planet with the longest revolution time
  4. 5. the red planet
  5. 7. the planet that spins on its "side"
  6. 11. the "King of the Kuiper Belt" dwarf planet
  7. 12. dwarf planet that rotates so fast it is not spherical
  8. 14. the only dwarf planet that orbits in the Asteroid Belt
  9. 15. the dwarf planet farthest from us
  10. 16. force that is determined by mass and distance