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 (soundtrack) Planet Earth (soundtrack) Planet Earth is a television soundtrack album of incidental music commissioned by the BBC Natural History Unit for its 2006 nature documentary series of the same name. The music was composed and conducted by award-winning composer George Fenton, and performed by the BBC Concert Orchestra. Fenton had previously composed scores for several BBC wildlife series, among them "Life in the Freezer", "The Trials of Life" and the predecessor to "Planet Earth", "The Blue Planet". In 2007, the score for the opening episode "From Pole to Pole" won George Fenton an Emmy Award for Outstanding Music Composition for