Castor (star) in their spectra, and all are flare stars. "α Geminorum" (Latinised to "Alpha Geminorum") is the star system's Bayer designation. Castor and Pollux are the two "heavenly twin" stars that give the constellation Gemini (meaning "twins" in Latin) its name. The name "Castor" refers specifically to Castor, one of the twin sons of Zeus and Leda in Greek and Roman mythology. The star was annotated by the Arabic description "Al-Ras al-Taum al-Muqadim", which translates as "the head of the foremost twin." In the catalogue of stars in the "Calendarium of Al Achsasi Al Mouakket", this star was designated "Aoul al
Zeus Io, Europa and Leda (for more details, see below) and with the young Ganymede (although he was mortal Zeus granted him eternal youth and immortality). Many myths render Hera as jealous of his amorous conquests and a consistent enemy of Zeus's mistresses and their children by him. For a time, a nymph named Echo had the job of distracting Hera from his affairs by talking incessantly, and when Hera discovered the deception, she cursed Echo to repeat the words of others. The Greeks variously claimed that the Moires/Fates were the daughters of Zeus and the Titaness Themis or of primordial