planet
,
major planet
=
any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light;
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun;
viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction
planet
=
any celestial body (other than comets or satellites) that revolves around a star
