A dwarf planet is an object that orbits the Sun and is too small to be a planet, but is too large to be an asteroid or a comet.
Ceres, Pluto and Eris are three well-known dwarf planets.
A dwarf planet is an object that orbits the Sun and is too small to be a planet, but is too large to be an asteroid or a comet.
Ceres, Pluto and Eris are three well-known dwarf planets.