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
Academus (mythology) and contained in the finely decorated Panathenaic amphorae presented to the winners. Academus (mythology) Akademos or Academus (; Ancient Greek: Ἀκάδημος), also Hekademos or Hecademus (Ἑκάδημος) was an Attic hero in Greek mythology. Plutarch in his biography of the Athenian king Theseus (the slayer of the Minotaur) says that, after being widowed and reaching age 50, the king abducted the beautiful 12-year-old Helen (long before she married Menelaus, met Paris and was the cause of the Trojan War). Due to this outrage, her twin brothers Castor and Pollux invaded Attica to liberate their sister and threatened to destroy Athens. Akademos