Greek mythology in popular culture elements tantalum and niobium are always found together in nature, and have been named after the King Tantalus and his daughter Niobe. The element promethium also draws its name from Greek mythology, as does titanium, which was named after the titans who in mythology were locked away far underground, which reflected the difficulty of extracting titanium from ore. The U.S. Apollo Space Program to take astronauts to the moon, was named after Apollo, based the god's ability as an archer to hit his target and being the god of light and knowledge. Oceanographer Jacques-Yves Cousteau named his research ship, a
Greek mythology in popular culture Fairy Book". In C. S. Lewis's retelling of Cupid and Psyche, "Till We Have Faces", the narrator is Psyche's sister. Roberta Gellis's "Shimmering Splendor" is a retelling of Cupid and Psyche. The Italian poet Dante Alighieri used characters from the legend of Troy in his Divine Comedy, placing the Greek heroes in hell to show his contempt for their actions. Poets of the Renaissance began to widely write about Greek mythology, and "elicited as much praise for borrowing or reworking" such material as they did for truly original work. The poet John Milton used figures from classical mythology to "further