A celestial body orbiting the Sun with enough mass for a nearly round shape but that has not cleared its orbital neighborhood. The five recognized dwarf planets are Pluto, Eris, Haumea, Makemake, and Ceres. Established by the IAU in 2006.
A dwarf planet in the Kuiper Belt, reclassified from planet status by the IAU in 2006. It has five moons, the largest be...
The largest object in the asteroid belt and the only dwarf planet in the inner solar system. Ceres has a diameter of abo...
A circumstellar disc in the outer solar system from Neptune's orbit (30 AU) to about 50 AU. Home to Pluto and many icy b...
Dive deeper into dwarf planet and related concepts on Cosmos Observatory.