Poor Pluto:
Instructions: Read the following question and post your answer to the discussion board.
Stimulate discussion! From its discovery in 1930 up until 2006, Pluto was considered the 9th planet in the solar system.
After the International Astronomical Union revised and solidified the definition of a planet, poor Pluto was demoted to "dwarf planet."
Do you think Pluto should still be designated a planet, or not?
Consider the other bodies in the solar system that might merit similar classification, and defend your position.