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 (franchise) aired roughly a decade earlier, in 2006. The series will be presented and narrated by Sir David Attenborough with the score composed by Hans Zimmer. The first trailer was released on 9 October 2016, and the series is set to broadcast in November 2016 (United Kingdom) on BBC One and BBC One HD. "Planet Earth II" will mark the first television series that the BBC have produced in Ultra-high-definition (4K). Alongside the commissioning of the television series, BBC Worldwide and GreenLight Media secured financing for a US$15 million film version of "Planet Earth". This followed the earlier success of "Deep