It's not about looks. There are 3 criteria to being classified as a planet[1]: * Orbits the sun * Massive enough for its gravity to make it all the way around

It's not about looks. There are 3 criteria to being classified as a planet[1]: * Orbits the sun * Massive enough for its gravity to make it all the way around * 'Cleared its neighborhood' of smaller objects arounds its orbit [1] https://en.wikipedia.org/wiki/Definition_of_planet https://en.wikipedia.org/wiki/Definition_of_planet