Terrestrial planet Terrestrial planet A terrestrial planet, telluric planet, or rocky planet is a planet that is composed primarily of silicate rocks or metals. Within the Solar System, the terrestrial planets are the inner planets closest to the Sun, i.e. Mercury, Venus, Earth, and Mars. The terms "terrestrial planet" and "telluric planet" are derived from Latin words for Earth ("Terra" and "Tellus"), as these planets are, in terms of structure, "Earth-like". Terrestrial planets have a solid planetary surface, making them substantially different from the larger giant planets, which are composed mostly of some combination of hydrogen, helium, and water existing in various
The Message to the Planet is a great novel, a merely interesting one, or an unclassifiable pandemonium". Another reviewer remarked that anyone "seeking an untroubled read and pat answers should seek them elsewhere". In his study of Iris Murdoch's fiction, Peter Conradi wrote that "The Message to the Planet" was a "lesser" novel, inferior to its predecessor "The Philosopher's Pupil", but with some memorable scenes. On the other hand, Suguna Ramanathan calls it "an extraordinary achievement" and "of all her 24 novels, the largest in scope and most powerful in thrust". The Message to the Planet The Message to the Planet is a novel by