element named after fictional planet from which superman came
Kryptonite
title: Naming of chemical elements text: planets, dwarf planets, a few asteroids, our star, our planet, and our Moon. Uranium, neptunium, plutonium, cerium, and palladium were named after Uranus, Neptune, Pluto, Ceres, and Pallas respectively, which were at the time of their naming all considered to be planets. (Today, Pluto and Ceres are considered to be dwarf planets, and Pallas is considered to be an asteroid.) The name of the element selenium came from the Greek word for the Moon (Σελήνη, "Selene"). The name helium comes from the Greek word for the Sun (Ἢλιος, "Helios"). This is because the first evidence for helium was in distinctive, title: Naming of chemical elements text: places. The naming of elements from astronomical objects stems from the ancient association of metals with the various planets and their gods, as follows: mercury with the fast-moving planet Mercury; copper with the brilliant, beautiful planet Venus; iron with Mars (named for the Roman god of war); tin with Jupiter (named for the Roman king of the gods); and lead with the slow-moving planet Saturn (named for the ancient, slow god who was the father of Jupiter). The Sun and the Moon were associated with gold and silver, respectively. A few other elements are directly named for astronomical bodies, including title: Naming of chemical elements text: after Amerigo Vespucci The non-transuranic element samarium is named after Vasili Samarsky-Bykhovets, and gadolinium is indirectly named (via the mineral gadolinite), after Johan Gadolin. Lecoq de Boisbaudran, who named the element gallium after his native land of France (from Latin "Gallia" meaning Gaul) denied that the element's naming was for a pun on his own name ("le coq" means "the rooster" in French, as does "gallus" in Latin). Some chemical elements are named after places on the planet earth. Five are named after currently existing countries – polonium (named after Poland), francium and gallium (named after France), nihonium (named after title: Superman text: Superman Superman is a fictional superhero created by writer Jerry Siegel and artist Joe Shuster. He first appeared in "Action Comics" #1, a comic book published on April 18, 1938. He appears regularly in American comic books published by DC Comics, and has been adapted to radio shows, newspaper strips, television shows, movies, and video games. Superman was born on the planet Krypton, and as a baby named Kal-El, was sent to Earth in a small spaceship by his scientist father Jor-El, moments before Krypton was destroyed in a natural cataclysm. His ship landed in the American countryside, where he title: Superman logo text: the "S" as a family crest, folklore spun off from there. After the Superman reboot story "The Man of Steel", the symbol's story was that it was designed by Jonathan Kent and was derived from an ancient Native American symbol. The symbol was featured on a medicine blanket given to an ancestor of the Kent family by a Native American tribe after he helped to cure them of a plague and was supposed to represent a snake, an animal held to possess healing powers by the tribe (implying that, by wearing this symbol, Superman was a metaphorical healer). This was