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
Callisto (mythology) Callisto (mythology) In Greek mythology, Callisto or Kallisto (; ) was a nymph, or the daughter of King Lycaon; the myth varies in such details. She was one of the followers of Artemis, or Diana for the Romans, who attracted Zeus (Jupiter). He transformed himself into the figure of Artemis and seduced her in this disguise. She became pregnant and when this was eventually discovered, she was expelled from Artemis's group, after which a furious Hera (Juno, wife of her seducer) transformed her into a bear. Later, just as she was about to be killed by her son when he