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 (Prince album) Prince. Planet Earth (Prince album) Planet Earth is the thirty-second studio album by American recording artist Prince. It was released on July 15, 2007 by NPG Records and distributed, in the UK, as a free covermount with "The Mail on Sunday" national newspaper. This was followed by the album's worldwide distribution. It features contributions from his newest protegée Bria Valente and former New Power Generation members Marva King, Sonny T., and Michael Bland, as well as Sheila E. and former Revolution members Wendy & Lisa. The album debuted at number 3 on the US "Billboard" 200 chart, selling 96,000 in