Pluto is a planet, because it consists of all of the qualities that the other planets have. According to usatoday.com, “Harvard science historian Owen Gingerich, who chairs the IAU planet definition committee argued that a planet is a culturally defined word that changes over time, and that pluto is a planet.” In an article from missionscience.nasa.gov it states that “According for something to be considered a planet, it must consist of three things. First it must orbit the Sun, second it must be big enough for gravity to form it into a ball, and third it must have cleared other objects out of the way in its orbital neighborhood.” Pluto consists of the first two qualities, but the third one is the quality that causes debate.” The article says