Noun
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.
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. Source: Internet
; 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. Source: Internet
It is orbited by four planets, including one terrestrial planet 6.6 times the mass of Earth. Source: Internet
Simulations of the chaotic period of terrestrial planet formation suggest that impacts like those hypothesized to have formed the Moon were common. Source: Internet
They may be considered a type of terrestrial planet if the metal content dominates. Source: Internet