矮行星 Dwarf Planets
Dwarf Planet, this term established since the historical decision of IAU in Aug 24, 2006. Apart from Pluto, Ceres and Eris also classified as dwarf planets, and in the discussion of dwarf planets, the knowledge of KBOs and other small solar system bodies cannot be avoided. Now, Pluto is firmly classified as dwarf planet, however, whether dwarf planet should be considered as planet is not the aim of this lecture. In this lecture, KBOs, classical KBOs, resonant KBOs, scattered disk objects, discoveries of Eris are discussed.
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