Pluto

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Across
  1. 1. the year Mike Brown and his team discovered a planet lager than Pluto
  2. 3. the year Pluto was discovered
  3. 4. the size of Pluto (km)
  4. 5. the number of planets in the now
  5. 7. The official kind of Pluto
  6. 9. the number of planets there used to be
  7. 12. the person who discovered Pluto
  8. 14. the year the International Austronomical Union was held
  9. 15. a planet that is no longer a planet
  10. 17. the largest moon
  11. 18. the month the International Austronomical Union was held
Down
  1. 2. the year the largest moon was discovered
  2. 6. the name of the planet Mike Brown and his team discovered
  3. 8. age of Tombaugh when he discovered Pluto
  4. 10. Where the Lowell Observatory is
  5. 11. the original name of Pluto
  6. 13. Pluto and its moon is a large example of this
  7. 16. where the International Austronomical Union was held