Planet, Definition, Characteristics, & Facts

Planet, broadly, any relatively large natural body that revolves in an orbit around the Sun or around some other star and that is not radiating energy from internal nuclear fusion reactions. There are eight planets orbiting the Sun in the solar system.

Planet, Definition, Characteristics, & Facts

Definition of Planet

Mercury (planet) - Wikipedia

Planet Definition, Acronyms & Types - Video & Lesson Transcript

Dwarf planet, Definition, Characteristics, & Facts

Planet Earth — Everything you need to know

Ceres Facts: Interesting Facts about the Dwarf Planet Ceres

Teach Kids: Planet Names in Solar System (With Pictures)

Orbit Definition: Lesson for Kids - Video & Lesson Transcript

Planets in Order From the Sun Pictures, Facts, and Planet Info

Planet Earth facts and information

Science, Sky Science

The Inner Solar System

Dwarf planet, Definition, Characteristics, & Facts