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
Althaea (mythology) Althaea (mythology) Althaea or Althea (; Ancient Greek: Ἀλθαία "Althaía" "healer" from "althainein", "to cure"; "also a kind of" mallow") was the queen of Calydon in Greek mythology. Althaea was the daughter of King Thestius and Eurythemis, and was sister to Leda, Hypermnestra, Iphiclus, Euippus. She was also the wife of Oeneus, king of Calydon, and mother of sons, Meleager, Toxeus, Thyreus (Pheres or Phereus), Clymenus, Agelaus (Ageleus), Periphas and daughters, Deianeira, Gorge, Melanippe and Eurymede (the latter two were included in the Meleagrids). According to some writers, Meleager was the result of a liaison with the Greek god Ares,