- A dwarf planet is a type of space object that is smaller than a regular planet. Dwarf planets are spherical (round), but they have smaller space objects nearby them (unlike a planet).
- Pluto is a dwarf planet because, although it is round, there is space junk floating around it.
|The Solar System (edit)|
|Planets||Mercury • Venus • Earth • Mars • Jupiter • Saturn • Uranus • Neptune|
|Dwarf planets||Ceres • Eris • Pluto|
|Small solar system bodies||asteroid belt • comets • Kuiper belt • meteors • Oort cloud • scattered disc|
|Other||Moon • moons|