Eris is the most massive known Dwarf Planet in our Solar System, whose 2005 discovery challenged the traditional definition of a Planet. Its existence in the distant Kuiper Belt redefined our understanding of celestial bodies beyond Neptune.
Eris is the most massive known Dwarf Planet in our Solar System, whose 2005 discovery challenged the traditional definition of a Planet. Its existence in the distant Kuiper Belt redefined our understanding of celestial bodies beyond Neptune.
