GradeGen

A body that orbits the Sun and is classed separately from the eight planets; Pluto is an example.

Natural satellites can also orbit some dwarf planets and asteroids, so “moon” does not mean only a satellite of a planet.

Include dwarf planets, asteroids and comets as well as the Sun, eight planets and natural satellites when listing the Solar System’s contents.

Do not count Pluto among the eight planets; it is a dwarf planet.

A body that orbits the Sun and is classed separately from the eight planets; Pluto is an example.

Natural satellites can also orbit some dwarf planets and asteroids, so “moon” does not mean only a satellite of a planet.

Include dwarf planets, asteroids and comets as well as the Sun, eight planets and natural satellites when listing the Solar System’s contents.

Do not count Pluto among the eight planets; it is a dwarf planet.

Dwarf planet