Is Pluto a Planet?

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Across
  1. 4. _________ is Pluto's largest moon
  2. 5. This is the number of moons that Pluto has.
  3. 6. When a planet has gravitational _____________, its satellites orbit the planet
  4. 7. ___________ is the object that made scientists reconsider Pluto as a planet
Down
  1. 1. Pluto's characteristics fit in with this group of planets
  2. 2. Scientists found other objects in the ___________ Belt to compare to Pluto as a planet
  3. 3. Pluto's orbit is on a different ____________ than the rest of the planets
  4. 4. Pluto's orbit is off __________
  5. 6. In 2006, Pluto was demoted to a _____________ planet