The term dwarf planet has itself been somewhat controversial, as it implies that these bodies are planets, much as dwarf stars are stars.
The first five recognized dwarf planets are: Ceres, Pluto, Eris, Haumea, and Makemake.
NASA provides a captivating infographic with great dwarf planet facts.
The term was adopted in 2006 due to the discovery of objects beyond the orbit of Neptune that were comparable in size to Pluto.
Pictured is a close-up of Eris. Click the Salient News article below for some interesting facts about the dwarf planet.
Pluto was demoted to dwarf planet status in 2006, joining Eris, Haumea, Makemake and Ceres.
With the exception of Ceres, which is located in the asteroid belt, the other dwarf planets are found in the outer solar system.
Our tour of the solar system isn't over yet! Jessi introduces you to some of the most newly-named members of the solar system: the five dwarf planets!
In most respects, dwarf planets have the same characteristics as all the other known planets.