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In what year was Pluto reclassified as a dwarf planet?

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  1. 1930
  2. 2006
  3. 2015

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References

  1. NASA Science: Pluto science.nasa.gov/dwarf-planets/pluto Checked 2026-10-10.
  2. NASA Science: Planets science.nasa.gov/solar-system/planets Checked 2026-10-10.

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