Well
you are much more intelligent then other Earthlings I have known. Pluto
is the correct answer. It was once considered a planet but is now
referred to as a "dwarf plant". To learn more interesting facts on
Pluto please click on the following links.
http://kids.nineplanets.org/pluto.htm
http://www.glyphweb.com/esky/planets/pluto.html
http://www.kidsastronomy.com/pluto.htm
Next Question: Which planet is know for it's "big red spot"?
