Which astronomical object was reclassified as a ‘dwarf planet’ by the IAU in 2006?
ACeres
BPluto
CEris
DMakemake
Explanation
The International Astronomical Union (IAU) reclassified Pluto from a full planet to a dwarf planet in August 2006 for failing to clear its orbital neighborhood.
Exam Relevance
- Topic: Astronomy & Space Exploration
- Subtopic: Dwarf Planets
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