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 II soundtrack became available on 2 December 2016 in the UK. Planet Earth II Planet Earth II is a 2016 British nature documentary series produced by the BBC as a sequel to "Planet Earth", which was broadcast in 2006. The series is presented and narrated by Sir David Attenborough with the main theme music composed by Hans Zimmer. The first trailer was released on 9 October 2016, and the series premiered on 6 November 2016 in the United Kingdom on BBC One and BBC One HD. "Planet Earth II" is the first television series produced by the BBC in Ultra-high-definition (4K).