Q. Why is Pluto classified as a dwarf planet and not a full-fledged planet?
Answer: It has not cleared its neighboring region of smaller celestial bodies
Notes: Pluto is classified as a dwarf planet because it has not cleared its neighboring region of smaller celestial objects. A body orbiting the Sun can be classified as a planet, dwarf planet, or small Solar System body. For a celestial body to be classified as a planet, it must have cleared its immediate neighborhood of all smaller objects. Pluto, along with other dwarf planets like Ceres, Haumea, Makemake, and Eris, does not fulfill this criterion, classifying it as a dwarf planet.