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
Don't Bite the Sun Don't Bite the Sun Don't Bite the Sun is a 1976 science fiction novel by Tanith Lee set in a utopian world which the main character comes to reject. The main character and her friends are wild, crazy "Jang" teenagers whose lifestyle is full of reckless behaviour, promiscuous sex, repeated suicide (on dying they are reborn), and a constant search for thrills. Over the course of the story, the nameless narrator fails to relate to her seven Jang friends but finds herself, feels emotion, and learns love. On a desert planet in the distant future, humanity inhabits three domed utopian