terrestrial planet
Noun
Meaning
English Wikipedia has an article on:terrestrial planetWikipedia
terrestrial planet (plural terrestrial planets)
Any planet of the solar system or any exoplanet which is "Earth-like" in the sense that it is composed primarily of metals and rock, in contrast to a planet which is a gas giant.
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Examples
A terrestrial planet would need to orbit this star at a distance of about main in order to match the solar- insolation level of Earth.
; Coreless planet : A theoretical type of terrestrial planet that consists of silicate rock but has no metallic core, i.e. the opposite of an iron planet.
It is orbited by four planets, including one terrestrial planet 6.6 times the mass of Earth.
Simulations of the chaotic period of terrestrial planet formation suggest that impacts like those hypothesized to have formed the Moon were common.
They may be considered a type of terrestrial planet if the metal content dominates.