Firstly, for a celestial body to be classified as a dwarf planet, it has to orbit our Sun — meaning it must exist within our Solar System. Secondly, it must ...
A dwarf planet is a small planetary-mass object that is in direct orbit of the Sun, smaller than any of the eight classical planets but still a world in its ...
April 22, 2015. According to the International Astronomical Union, which sets definitions for planetary science, a dwarf planet is a celestial body that -orbits the sun, has enough mass to assume a nearly round shape, has not cleared the neighborhood around its orbit and is not a moon.
