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
Escape from Planet Earth of "IGN" gave the film a 4.5 out of 10, saying, ""Escape From Planet Earth" looks fantastic and is sporting some commendable voice acting, but these qualities can't overcome a stale script and significant lack of laughs. Unless you have a young kid that wants to see it, I just can't recommend this one at all." Sheri Linden of the "Los Angeles Times" gave the film three out of five stars, saying, "It never discovers new worlds, but ""Escape From Planet Earth" is, in its genial way, escape enough." Tom Russo of "The Boston Globe" gave the film two stars