terrestrial planet

Noun
  1. A planet having a compact rocky surface like the Earth's;
    The four innermost planets in the solar system (synset 109479499)
    is a type of: major planet, planet - (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
    specific instances:
    • earth, globe, world - the 3rd planet from the sun; the planet we live on
    • mars, red planet - 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
    • mercury - the smallest planet and the nearest to the sun
    • venus - 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'

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