biosphere - the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist

asteroid, minor planet, planetoid - any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)

celestial body, heavenly body - natural objects visible in the sky

evening star, Hesperus, Vesper - a planet (usually Venus) seen at sunset in the western sky

daystar, morning star, Phosphorus - a planet (usually Venus) seen just before sunrise in the eastern sky

solar system - the sun with the celestial bodies that revolve around it in its gravitational field

superior planet - any of the planets whose orbit lies outside the earth's orbit

terrestrial planet - a planet having a compact rocky surface like the Earth's; the four innermost planets in the solar system

follower - an ordinary person who accepts the leadership of another