Dwarf Planets

What technological advancements have led to the identification of more celestial bodies since the discovery of Ceres in 1801?

• Improved telescopes

• Satellite imaging

• Space probes

• Radio telescopes

How did Italian astronomer Giuseppe Piazzi discover the first dwarf planet, Ceres, in 1801?

What distinguishes dwarf planets from the eight recognized planets?

• They are smaller in size

• They have cleared their orbital path of other debris

• They are closer to the Sun

• They have rings like Saturn

The classification of dwarf planets expands our understanding of the solar system. ___

Which dwarf planet was reclassified as a dwarf planet in 2006?

• Eris

• Haumea

• Makemake

• Pluto