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
Pirene (mythology) early summer. The fountain was sacred to the Muses and it was there that Bellerophon found Pegasus (as Polyidus had claimed), drinking, and tamed him. Pirene (mythology) In Greek mythology, Pirene or Peirene (Ancient Greek: Πειρήνη means "of the osiers"), a nymph, was either the daughter of the river god Asopus, Laconian king Oebalus, or the River god Achelous, depending on different sources. By Poseidon she became the mother of Lecheas and Cenchrias. When Cenchrias was unintentionally killed by Artemis, Pirene's grief was so profound that she became nothing but tears and turned into the fountain outside the gates of