Dwarf planets are spherical celestial bodies that orbit the Sun without dominating their orbit. Mostly located beyond Neptune, they include Pluto, Eris, Haumea, Makemake, and Gonggong. Remnants of the protoplanetary disk, these icy worlds preserve the memory of the early stages of the Solar System's formation and offer a unique glimpse into its most distant structure.
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Dwarf Planets: The Forgotten Worlds of the Solar System 
Physical Composition of Trans-Neptunian Objects in the Kuiper Belt
Haumea and its Moons: A Singularity of the Solar System
The Enigma of the Oort Cloud: Indirect Evidence and Uncertainties
Sedna: Between the Kuiper Belt and the Oort Cloud
Quaoar: The Dwarf Planet Defying the Roche Limit with its Rings
The 40 largest objects in the solar system
Pluto's Satellites: Strange Companions in the Dwarf Planet's Shadow
Ceres: Boundary Between Asteroid and Dwarf Planet
Pluto and its Moons: Charon, Nix, Hydra, Styx, and Kerberos
Eris: The Dwarf Planet at the Edge of the Solar System
Gonggong: An Eccentric Witness to Distant Perturbations