is pluto a planet? by Ruby c

For more than 70 years pluto was classed as a planet untill 2006    `when the intorncltial Astronomical union.A dawaf planet orbits the sun just like outher  planets but smaller . pluto  is so small it cannot clear other objects out is path.Eris didnt meet the criteria and neither did  pluto criteria and so was dawngraded from a planet to a Dwarf planet in 2006. this Darf planet definition was created by the IAU at the same time as the  planet definition.