関連ワード:
in which year was pluto reclassified as a dwarf planet in which year was pluto classified as a dwarf planet what was pluto reclassified as a dwarf planet in 2006 pluto was reclassified as a dwarf planet in 2006 pluto was reclassified as a dwarf planet along with how many other objects in 2006 pluto was reclassified as a dwarf planet true or false what day was pluto reclassified as a dwarf planet what date was pluto reclassified as a dwarf planet why did pluto get reclassified as a dwarf planet
