astro

the 3rd planet from the sun; the planet we live on

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

the smallest planet and the nearest to the sun

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

a small planet and the farthest known planet from the sun; it has the most elliptical orbit of all the planets

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

the star that is the source of light and heat for the planets in the solar system

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

the second nearest planet to the sun; it is peculiar in that its rotation is slow and retrograde (in the opposite sense of the Earth and all other planets except Uranus); it is visible from Earth as an early `morning star' or an `evening star'

(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

any celestial body orbiting around a planet or star

(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior

any natural satellite of a planet

any star around which a planetary system revolves