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
Planet Earth (Duran Duran song) Planet Earth (Duran Duran song) "Planet Earth" is the debut single by the English pop rock band Duran Duran, released on 2 February 1981. It was an immediate hit in the band's native UK, reaching #12 on the UK Singles Chart on 21 February, and did even better in Australia, hitting #8 to become Duran Duran's first Top 10 hit anywhere in the world. The song later appeared on the band's eponymous debut album "Duran Duran", released in June, 1981. "Planet Earth" begins with a mid-tempo synthesised sweep backed with sequenced electronic rhythm, but the real rhythm section of throbbing