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
Giants (Greek mythology) be discerned in the smoke and, moreover, a sound as of trumpets was heard)". Names for the Giants can be found in ancient literary sources and inscriptions. Vian and Moore provide a list with over seventy entries, some of which are based upon inscriptions which are only partially preserved. Some of the Giants identified by name are: Giants (Greek mythology) In Greek and Roman Mythology, the Giants, also called Gigantes ("jye-GAHN-tees" or "gee-GAHN-tees"; Greek: Γίγαντες, "Gígantes", Γίγας, "Gígas") were a race of great strength and aggression, though not necessarily of great size, known for the Gigantomachy (Gigantomachia), their battle with