(astronomy) 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

the largest planet and the 5th from the sun; has many satellites and is one of the brightest objects in the night sky

a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye; minerals rich in iron cover its surface and are responsible for its characteristic color

a giant planet with a ring of ice particles; the 8th planet from the sun is the most remote of the gas giants

a giant planet that is surrounded by three planar concentric rings of ice particles; the 6th planet from the sun

a giant planet with a ring of ice particles; the 7th planet from the sun has a blue-green color and many satellites

the largest planet and the 5th from the sun; has many satellites and is one of the brightest objects in the night sky

a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye; minerals rich in iron cover its surface and are responsible for its characteristic color

a giant planet with a ring of ice particles; the 8th planet from the sun is the most remote of the gas giants

a giant planet that is surrounded by three planar concentric rings of ice particles; the 6th planet from the sun

a giant planet with a ring of ice particles; the 7th planet from the sun has a blue-green color and many satellites