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
Arrow to the Sun Arrow to the Sun Arrow to the Sun is a 1973 short film and a 1974 book, both by Gerald McDermott. The book was printed in gouache and ink, and won the 1975 Caldecott Medal for illustration. Both media are a retelling of a Pueblo tale, specifically an Acoma Pueblo tale, in which a mysterious boy seeks his father. The Boy (who does not have a name) is the son of the Sun lord, who sends the spark of life into a maiden of the Pueblo. He is ridiculed by the other boys because he has no father. The Boy