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
Humans of planet earth Humans of planet earth Humans of Planet Earth is a project aimed to regroup 100 photographers from 100 locations around the world, in an effort to capture 10000 portraits of people. The project was initiated by a New Zealand-American Brandon Van Slyke, in an effort to gain a perspective of the planet and its people, particularly if it contrasts from stereotypical prevailing media portrayals. The initiative was inspired by the Humans of New York (HONY) blog, an attempt to document people from New York City. The portraits and stories are shared on a Facebook page, in addition to the main