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
Palaestra (mythology) Palaestra (mythology) In Greek mythology, Palaestra (Παλαίστρα) was a name attributed to two characters, who were both associated with the god Hermes: one was a mortal lover of Hermes, whereas the other was considered his daughter and a goddess of wrestling. Myths concerning both provided an etiology for the Greek word for wrestling school, "palaestra". According to a story recorded by Servius, Palaestra was a daughter of the Arcadian king Choricus, and sister to Plexippus and Enetus. Her two brothers would wrestle each other, and their father, finding the sight of them wrestling to be of aesthetic value, made it