Pluto shouldn’t be a planet because it's not exactly like the other planets. According to NASA they state that Pluto cannot be a planet because it only meets 2 out of three criteria for a “true” planet. First of all, the object must orbit the sun. Second, the object must have a circular shape because of gravity. This shape must be created and maintained by the object's own gravitational force. Last but not least, the object must have “cleared the neighborhood” around its orbit of other objects. Pluto can’t be a planet also because it's surrounded by other planets the same size and shape. Which according to USA today cannot be considered a planet. Pluto also tends to go into Neptune's orbit. Which means that Pluto isn’t a planet because “true”