Dwarf planets represent a fascinating class of small worlds that orbit our Sun yet differ from both terrestrial planets and gas giants. These bodies offer clues about the early solar system and the diverse ways planetary objects can form and evolve.
Below you will find a clear overview of key dwarf planets, followed by deeper exploration of their defining features, exploration history,观测 targets, and common questions from curious readers.
| Dwarf Planet | Region | Diameter (km) | Key Feature |
|---|---|---|---|
| Ceres | Asteroid Belt | 939 | Only dwarf planet in the inner solar system, bright salt deposits |
| Pluto | Kuiper Belt | 2377 | Complex geology, five known moons, nitrogen glaciers |
| Haumea | Kuiper Belt | 1560 | Rapid rotation, elongated shape, two small moons |
| Makemake | Kuiper Belt | 1430 | Lack of bright surface features, single known moon |
| Eris | Scattered Disc | 2326 | More massive than Pluto, triggered reclassification debate |